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Mahavir Metal Corporation
Mahavir Metal Corporation


SS Round Bar

These Stainless Steel materials offered by us are used in various industries for multiple applications. These include sheets, coils, fittings and others. Our steel caters to the requirements of various industries such as construction, metal works, and automobile. Our products are widely appreciated in the market for its competitive prices and for their durability and corrosion resistant surface.

Western Steel Agency supplies SS Round Bar that available in different diameters and specifications. We stock large range of all type of bars. We are major supplier of stainless steel round bars for many small and large scale industries. We believe in quality and we strive to provide exceptionally good quality bars and other stainless steel products to our domestic and international clients.

Grades: 201, 202, 301, 302, 303, 304, 304L, 308, 309, 309S, 310, 310S, 314, 316, 316L, 317, 317L, 316TI, 321, 347, 430, 446, 403, 410, 410S, 420, 431, 440A, 440B, 440C.

SS 410 Round Bar

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SS 410 Round Bar
Approx. INR 200 / Kilogram(s)
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We have established ourselves as a leading trader, retailer, wholesaler and supplier of 410 Q Round Bar. Our offered round bar is manufactured using premium quality raw material and the latest technology in adherence with industry norms at vendors’ end. The provided round bar is checked on different parameters in order to offer qualitative product to our clients. Moreover, this round bar is available in the market in various specifications to meet clients’ demands.

Features:


  • Dimensionally accurate
  • Easy to install
  • Sturdiness

Specifications:

GradeCMnSiP
CrMoNiN
410min.
max.
-
0.15
-
1.00
-
1.00
-
0.040
-
0.030
11.5
13.5
-0.75-

GradeDensity (kg/m3)Elastic Modulus (GPa)Mean Coefficient of Thermal Expansion (μm/m/°C)Thermal Conductivity (W/m.K)Specific Heat 0-100°C (J/kg.K)Electrical Resistivity (nΩ.m)
0-100°C0-315°C0-538°Cat 100°Cat 500°C
41077502009.911.411.624.928.7460
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Stainless Steel 420 Round Bar

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Stainless Steel 420 Round Bar
Approx. INR 200 / Kilogram(s)
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With the help of our state-of-the-art infrastructure unit, we are able to trade, retail, wholesale and supply the superlative quality of 420 Q Stainless Steel. The provided stainless steel is manufactured using optimum quality raw material and cutting edge technology at vendors’ end. Moreover, this stainless steel is checked on different parameters under the guidance of our quality examiners so as to provide zero defect product at clients' end.

Features:

  • Optimum finish
  • Easy installation
  • Rigid construction
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Stainless Steel Hex Bar

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Stainless Steel Hex Bar
Approx. INR 30 / Kilogram
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READY STOCK.

Composition

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

304

min.

max.

-

0.08

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

0.10

304L

min.

max.

-

0.030

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

12.0

-

0.10

 











 










316

Min

-

-

-

0

-

16.0

2.00

10.0

-

Max

0.08

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316L

Min

-

-

-

-

-

16.0

2.00

10.0

-

Max

0.03

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

 











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SS 304 Rods

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SS 304 Rods
Approx. INR 200 / Kilogram(s)
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WE HAVE READY STOCK OF  Grade 304 is the standard "18/8" stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing, which has made this grade dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 is readily brake or roll formed into a variety of components for applications in the industrial, architectural, and transportation fields. Grade 304 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 304L, the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge components (over about 6mm). Grade 304H with its higher carbon content finds application at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

Key Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Composition

Typical compositional ranges for grade 304 stainless steels are given in table 1.

Table 1. Composition ranges for 304 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

304

min.

max.

-

0.08

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

0.10

304L

min.

max.

-

0.030

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

12.0

-

0.10

304H

min.

max.

0.04

0.10

-

2.0

-

0.75

-0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

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SS 303 Round Bar

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SS 303 Round Bar
Approx. INR 200 / Kilogram(s)
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Grade 303 represents the optimum in machinability among the austenitic stainless steels. It is primarily used when production involves extensive machining in automatic screw machines. Machinability Rating (compared to B1212) is approximately 78%.

303 is also available as a "Ugima" Improved Machinability grade, with machinability even higher than that of the standard 303.

The sulphur addition which is responsible for the improved machining and galling characteristics of Grade 303 lowers its corrosion resistance to below that of Grade 304. As for other austenitic grades the structure gives 303 excellent toughness, although the sulphur in 303 reduces its toughness slightly.

Grade 303Se (UNS S30323) has a selenium rather than sulphur addition, improving the hot and cold forming characteristics over those of 303 and providing a smoother machined surface finish. The machinability rate is also slightly reduced. Grade 303Se is not readily available in Australia.

Key Properties

These properties are specified for long product (bar) in ASTM A582. Similar but not necessarily identical properties are specified for other products such as wire and forgings in their respective specifications. Grade 303 is not produced in flat rolled products.

Composition

Typical compositional ranges for grade 303 stainless steels are given in table 1.

Table 1. Composition ranges for 303 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

Se

303

min.

max.

-

0.15

-

2.00

-

1.00

-

0.20

0.15

-

17.0

19.0

-

8.0

10.0

-

303Se

min.

max.

-

0.15

-

2.00

-

1.00

-

0.20

0.06

-

17.0

19.0

-

8.0

10.0

0.15

min

Mechanical Properties

Typical mechanical properties for grade 303 stainless steels are given in table 2.

Table 2. Mechanical properties of 303 grade stainless steel

Grade

Tensile Strength (MPa)

Yield Strength 0.2% Proof (MPa)

Elongation (% in 50mm)

Hardness

Rockwell B (HR B)

Brinell (HB)

303

-

-

-

-

262 max

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SS 304 Hex Bar

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SS 304 Hex Bar
Approx. INR 200 / Kilogram(s)
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We have gained rich industry experience in the field of supplying a huge of 304LSS HEX Bar. Available in different sizes, shapes, finishes and dimensions, all our products require less maintenance and are ideal for high temperature & pressure applications. We have made our exclusive range of these caps by making use of world-class raw materials and sophisticated technologies.
Composition

Typical compositional ranges for grade 304 stainless steels are given in table 1.

Table 1. Composition ranges for 304 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

304

min.

max.

-

0.08

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

0.10

304L

min.

max.

-

0.030

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

12.0

-

0.10

304H

min.

max.

0.04

0.10

-

2.0

-

0.75

-0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

Mechanical Properties

Typical mechanical properties for grade 304 stainless steels are given in table 2.

Table 2. Mechanical properties of 304 grade stainless steel

Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B) max

Brinell (HB) max

304

515

205

40

92

201

304L

485

170

40

92

201

304H

515

205

40

92

201

304H also has a requirement for a grain size of ASTM No 7 or coarser.

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316 SS Hex Bar

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316 SS Hex Bar
Approx. INR 225 / Kilogram
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We have gained rich industry experience in the field of supplying a huge gamut of 304L SS HEX Bar. Available in different sizes, shapes, finishes and dimensions, all our products require less maintenance and are ideal for high temperature & pressure applications. We have made our exclusive range of these caps by making use of world-class raw materials and sophisticated technologies.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

Key Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Composition

Table 1. Composition ranges for 316 grade of stainless steels.

Grade

 

C

Mn

Si

P

 

Cr

Mo

Ni

N

316

Min

-

-

-

0

-

16.0

2.00

10.0

-

Max

0.08

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316L

Min

-

-

-

-

-

16.0

2.00

10.0

-

Max

0.03

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316H

Min

0.04

0.04

0

-

-

16.0

2.00

10.0

-

max

0.10

0.10

0.75

0.045

0.03

18.0

3.00

14.0

-

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Stainless Steel Hex Bar 321

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Stainless Steel Hex Bar 321
Approx. INR 160 / Kilogram
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We have gained rich industry experience in the field of supplying a huge gamut of 304L SS HEX Bar. Available in different sizes, shapes, finishes and dimensions, all our products require less maintenance and are ideal for high temperature & pressure applications. We have made our exclusive range of these caps by making use of world-class raw materials and sophisticated technologies.

Features:

  • World class material
  • Sophisticated technology
  • Available in different sizes and dimensions
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SS 202 Round Bar

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SS 202 Round Bar
Approx. INR 80 / Kilogram
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We have gained rich industry experience in the field of supplying a huge gamut of 202 SS HEX Bar. Available in different sizes, shapes, finishes and dimensions, all our products require less maintenance and are ideal for high temperature & pressure applications. We have made our exclusive range of these caps by making use of world-class raw materials and sophisticated technologies.

Grade 202 stainless steel is a type of Cr-Ni-Mn stainless with similar properties to A240/SUS 302 stainless steel. The toughness of grade 202 at low temperatures is excellent.

It is one of the most widely used precipitation hardening grades, and possesses good corrosion resistance, toughness, high harness, and strength.

The following datasheet provides an overview of grade 202 B stainless steel.

Chemical Composition

The chemical composition of grade 202 stainless steel is outlined in the following table.

Element

Content (%)

Iron, Fe

68

Chromium, Cr

17- 19

Manganese, Mn

7.50-10

Nickel, Ni

4-6

Silicon, Si

≤ 1

Nitrogen, N

≤ 0.25

Carbon, C

≤ 0.15

Phosphorous, P

≤ 0.060

Sulfur, S

≤ 0.030

Mechanical Properties

The mechanical properties of grade 202 stainless steel are displayed in the following table.

Properties

Metric

Imperial

Tensile strength

515 MPa

74694 psi

Yield strength

275 MPa

39900 psi

Elastic modulus

207 GPa

30000 ksi

Poisson's ratio

0.27-0.30

0.27-0.30

Elongation at break

40%

40%

Other Designations

Equivalent materials to grade 202 stainless steel are given below:

ASTM A276

ASTM A314

ASTM A412

ASTM A429

ASTM A473

ASTM A666

FED QQ-S-763

FED QQ-S-766

FED STD-66

SAE 30202

SAE J405 (30202)

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SS 321 Round Bar

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SS  321 Round Bar
Approx. INR 160 / Kilogram
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WE HAVE READY STOCK OF BLACK BARS & BRIGHT BARS AS PER IZ E & LENGTH
SERIES 200,300 & 400 ALL SERIES MOSTLY IS IN READY STOCK

CHEMICAL COMPOSTION.

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

304

min.

max.

-

0.08

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

0.10

304L

min.

max.

-

0.030

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

12.0

-

0.10

316

Min

-

-

-

0

-

16.0

2.00

10.0

-

Max

0.08

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316L

Min

-

-

-

-

-

16.0

2.00

10.0

-

Max

0.03

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

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SS 316 TI Rods

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SS 316 TI Rods
Approx. INR 200 / Kilogram(s)
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WE HAVE READY STOCK OF Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

 

Composition

Table 1. Composition ranges for 316 grade of stainless steels.

Grade

 

C

Mn

Si

P

 

Cr

Mo

Ni

N

316

Min

-

-

-

0

-

16.0

2.00

10.0

-

Max

0.08

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316L

Min

-

-

-

-

-

16.0

2.00

10.0

-

Max

0.03

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316H

Min

0.04

0.04

0

-

-

16.0

2.00

10.0

-

max

0.10

0.10

0.75

0.045

0.03

18.0

3.00

14.0

-


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SS 420 Round Bar

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SS 420 Round Bar
Approx. INR 200 / Kilogram(s)
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WE HAVE READY STOCK OF Grade 420 stainless steel is a higher carbon version of 410 which can be hardened by a

quench-and-temper heat treatment. It contains a minimum of 12 per cent chromium, just

sufficient to give corrosion resistance properties. It has good ductility in the annealed

condition but is capable of being hardened up to Rockwell Hardness 50HRC, the highest

hardness of the 12 per cent chromium grades. Its best corrosion resistance is achieved

when the metal is hardened and surface ground or polished. This datasheet describes the

standard Atlas 420. Variants with carbon content controlled within particular ranges are

also available, usually designated 420A (lowest carbon) and increasing through 420B and

420C. Consult Atlas for details.

 

Martensitic stainless steels are optimised for high hardness, and other properties are to

some degree compromised. Fabrication must be by methods that allow for poor

weldability and usually also allow for a final harden and temper heat treatment. Corrosion

resistance is lower than the common austenitic grades, and their useful operating

temperature range is limited by their loss of ductility at sub-zero temperatures and loss of

strength by over-tempering at elevated temperatures.

 

Chemical Composition Specification values in %

Grade C Mn Si P S Cr Mo Ni

420 ≤0.15 ≤1.0 ≤1.0 ≤ 0.040 ≤ 0.030 12.0-14.0 -- --

 

Diameter

(mm)

Condition Tensile

Strength

(MPa)

0.2%

Proof

Stress

(MPa)

min

Elongation

(% in

50mm

min)

Reduction

of Area

(%) min

Hardness

(HB30)

all Annealed ≤ 230

Up to 160 Hardened

&

Tempered

850 – 1000 600 12 50

 

Heat Treatment

The following temperature ranges are applicable for the respective heat treatment

operations.

Forging Annealing Hardening Tempering

800 – 1100°C 840 – 900°C 980 – 1035°C 600 – 750°C

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SS 310 Round Bar

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SS 310 Round Bar
Approx. INR 200 / Kilogram(s)
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We have realy stock of Grade 310, combining excellent high temperature properties with good ductility and weldability, is designed for high temperature service. It resists oxidation in continuous service at temperatures up to 1150°C provided reducing sulphur gases are not present. It is also used for intermittent service at temperatures up to 1040°C.

Grade 310S (UNS S31008) is used when the application environment involves moist corrodents in a temperature range lower than that which is normally considered "high temperature" service. The lower carbon content of 310S does reduce its high temperature strength compared to 310.

Like other austenitic grades these have excellent toughness, even down to cryogenic temperatures, although other grades are normally used in this environment.

Grade 310L (and proprietary versions of this grade), is a 0.03% maximum carbon version of 310, sometimes used for very specific corrosive environments, such as urea production.

Key Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Composition

Typical compositional ranges for grade 310 stainless steels are given in table 1.

Table 1. Composition ranges for 310 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

310

min.

max.

-

0.25

-

2.00

-

1.50

-

0.045

-

0.030

24.0

26.0

-

19.0

22.0

-

310S

min.

max.

-

0.08

-

2.00

-

1.50

-

0.045

-

0.030

24.0

26.0

-

19.0

22.0

-


Grade Specification Comparison

 

Grade

UNS No

 




310

S31000

 



 

-

 

310S

S31008

 



 

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SS 410 Round Bars

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SS 410 Round Bars
Approx. INR 70 / Kilogram
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WE HAVE READY STOCK OF Grade 410 is the basic martensitic stainless steel; like most non-stainless steels it can be hardened by a "quench-and-temper" heat treatment. It contains a minimum of 11.5 per cent chromium, just sufficient to give corrosion resistance properties. It achieves maximum corrosion resistance when it has been hardened and tempered and then polished. Grade 410 is a general purpose grade often supplied in the hardened, but still machinable condition, for applications where high strength and moderate heat and corrosion resistance are required.

Martensitic stainless steels are optimised for high hardness, and other properties are to some degree compromised. Fabrication must be by methods that allow for poor weldability and usually the need for a final heat treatment. Corrosion resistance of the martensitic grades is lower than that of the common austenitic grades, and their useful operating temperature range is limited by their loss of ductility at sub-zero temperatures and loss of strength by over-tempering at elevated temperatures.

Key Properties

These properties are specified for bar product in ASTM A276. Similar but not necessarily identical properties are specified for other products such as plate, wire and forgings in their respective specifications.

Composition

Typical compositional ranges for grade 410 stainless steels are given in table 1.

Table 1. Composition ranges for 410 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

410

min.

max.

-

0.15

-

1.00

-

1.00

-

0.040

-

0.030

11.5

13.5

-

0.75

-


Physical Properties

 

Grade

Density (kg/m3)

Elastic Modulus (GPa)

Mean Coefficient of Thermal Expansion
(μm/m/°C)

Thermal Conductivity
(W/m.K)

Specific Heat 0-100°C
(J/kg.K)

Electrical Resistivity (nΩ.m)

0-100°C

0-315°C

0-538°C

at 100°C

at 500°C

410

7750

200

9.9

11.4

11.6

24.9

28.7

460

570


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SS 304L Square Bar

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SS 304L Square Bar
Approx. INR 170 / Kilogram(s)
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We have gained rich industry experience in the field of supplying a huge gamut of 304L SS SQUARE Bar. Available in different sizes, shapes, finishes and dimensions, all our products require less maintenance and are ideal for high temperature & pressure applications. We have made our exclusive range of these caps by making use of world-class raw materials and sophisticated technologies.Grade 304 is the standard "18/8" stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing, which has made this grade dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 is readily brake or roll formed into a variety of components for applications in the industrial, architectural, and transportation fields. Grade 304 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 304L, the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge components (over about 6mm). Grade 304H with its higher carbon content finds application at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

Key Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Composition

Typical compositional ranges for grade 304 stainless steels are given in table 1.

Table 1. Composition ranges for 304 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

304

min.

max.

-

0.08

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

0.10

304L

min.

max.

-

0.030

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

12.0

-

0.10

304H

min.

max.

0.04

0.10

-

2.0

-

0.75

-0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

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Stainless Steel Square Bar

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Stainless Steel Square Bar
Approx. INR 150 / Kilogram
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We have ready stock of 200,300 & 400 SERIES is the standard "18/8" stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing, which has made this grade dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 is readily brake or roll formed into a variety of components for applications in the industrial, architectural, and transportation fields. Grade 304 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 304L, the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge components (over about 6mm). Grade 304H with its higher carbon content finds application at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

Key Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Composition

Typical compositional ranges for grade 304 stainless steels are given in table 1.

Table 1. Composition ranges for 304 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

304

min.

max.

-

0.08

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

0.10

304L

min.

max.

-

0.030

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

12.0

-

0.10

304H

min.

max.

0.04

0.10

-

2.0

-

0.75

-0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

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SS 321 Square Bar

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SS 321 Square Bar
Approx. INR 200 / Kilogram(s)
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Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilised by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850°C. Grade 321 is the grade of choice for applications in the temperature range of up to about 900°C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion.

Grade 321H is a modification of 321 with a higher carbon content, to provide improved high temperature strength.

A limitation with 321 is that titanium does not transfer well across a high temperature arc, so is not recommended as a welding consumable. In this case grade 347 is preferred - the niobium performs the same carbide stabilisation task but can be transferred across a welding arc. Grade 347 is therefore the standard consumable for welding 321. Grade 347 is only occasionally used as parent plate material.

Like other austenitic grades, 321 and 347 have excellent forming and welding characteristics, are readily brake or roll formed and have outstanding welding characteristics. Post-weld annealing is not required. They also have excellent toughness, even down to cryogenic temperatures. Grade 321 does not polish well, so is not recommended for decorative applications.

Grade 304L is more readily available in most product forms, and so is generally used in preference to 321 if the requirement is simply for resistance to intergranular corrosion after welding. However 304L has lower hot strength than 321 and so is not the best choice if the requirement is resistance to an operating environment over about 500°C.

 

Composition 321

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

Other

321

min.

max

-

0.08

2.00

0.75

0.045

0.030

17.0

19.0

-

9.0

12.0

0.10

Ti=5(C N)

0.70

321H

min.

max

0.04

0.10

2.00

0.75

0.045

0.030

17.0

19.0

-

9.0

12.0

-

Ti=4(C N)

0.70

347

min.

max

0.08

2.00

0.75

0.045

0.030

17.0

19.0

-

9.0

13.0

-

Nb=10(C N)

1.0

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SS 316 Square Bar

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SS 316 Square Bar
Approx. INR 200 / Kilogram
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We have really stock of OF Stainless Steel Square Bar.

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

 

Composition

Table 1. Composition ranges for 316 grade of stainless steels.

Grade

 

C

Mn

Si

P

 

Cr

Mo

Ni

N

316

Min

-

-

-

0

-

16.0

2.00

10.0

-

Max

0.08

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316L

Min

-

-

-

-

-

16.0

2.00

10.0

-

Max

0.03

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316H

Min

0.04

0.04

0

-

-

16.0

2.00

10.0

-

max

0.10

0.10

0.75

0.045

0.03

18.0

3.00

14.0

-


 

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SS 316TI Round Bar

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SS 316TI Round Bar
Approx. INR 200 / Kilogram
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We have ready stock of 316TI round bar.

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

 

Composition

Table 1. Composition ranges for 316 grade of stainless steels.

Grade

 

C

Mn

Si

P

 

Cr

Mo

Ni

N

316

Min

-

-

-

0

-

16.0

2.00

10.0

-

Max

0.08

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316L

Min

-

-

-

-

-

16.0

2.00

10.0

-

Max

0.03

2.0

0.75

0.045

0.03

18.0

3.00

14.0

0.10

316H

Min

0.04

0.04

0

-

-

16.0

2.00

10.0

-

max

0.10

0.10

0.75

0.045

0.03

18.0

3.00

14.0

-


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Stainless Steel 304 Round Bar

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Stainless Steel 304 Round Bar
Approx. INR 200 / Kilogram(s)
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We have gained rich industry experience in the field of supplying a huge gamut of 304L SS Round Bar. Available in different sizes, shapes, finishes and dimensions, all our products require less maintenance and are ideal for high temperature & pressure applications. We have made our exclusive range of these caps by making use of world-class raw materials and sophisticated technologies.

Composition

Typical compositional ranges for grade 304 stainless steels are given in table 1.

Table 1. Composition ranges for 304 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

304

min.

max.

-

0.08

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

0.10

304L

min.

max.

-

0.030

-

2.0

-

0.75

-

0.045

-

0.030

18.0

20.0

-

8.0

12.0

-

0.10

304H

min.

max.

0.04

0.10

-

2.0

-

0.75

-0.045

-

0.030

18.0

20.0

-

8.0

10.5

-

Mechanical Properties

Typical mechanical properties for grade 304 stainless steels are given in table 2.

Table 2. Mechanical properties of 304 grade stainless steel

Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B) max

Brinell (HB) max

304

515

205

40

92

201

304L

485

170

40

92

201

304H

515

205

40

92

201

304H also has a requirement for a grain size of ASTM No 7 or coarser.

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SS 416 Round Bar

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SS 416 Round Bar
Approx. INR 100 / Kilogram
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We have ready stock of Grade 416 has the highest machinability of any stainless steel, at about 85% of that of a free-machining carbon steel. As for most other free-machining stainless steels the improvement in mach inability is achieved by addition of sulphur which forms manganese sulphide inclusions; this sulphur addition also lowers the corrosion resistance, weldability and formability to below that of its non-free machining equivalent Grade 410.

Grade 416 is sometimes used in the unhardened or hardened and highly tempered condition because of its low cost and ready machinability.

Martensitic stainless steels are optimised for high hardness, and other properties are to some degree compromised. Fabrication must be by methods that allow for poor weldability and usually also allow for a final harden and temper heat treatment. Corrosion resistance is lower than the common austenitic grades, and their useful operating temperature range is limited by their loss of ductility at sub-zero temperatures and loss of strength by over-tempering at elevated temperatures.

Key Properties

These properties are specified for bar product in ASTM A582. Similar but not necessarily identical properties are specified for other products such as wire and forgings in their respective specifications.

Composition

Typical compositional ranges for grade 416 stainless steels are given in table 1.

Table 1. Composition ranges for 416 grade stainless steel

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

416

min.

max.

-

0.15

-

1.25

-

1.00

-

0.060

0.15

-

12.0

14.0

-

-

-

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SS 430 Round Bar

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SS 430 Round Bar
Approx. INR 200 / Kilogram(s)
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rade 430 is a ferritic, straight chromium, non-hardenable grade, combining good corrosion resistance and formability characteristics with useful mechanical properties. Its ability to resist nitric acid attack permits its use in specific chemical applications but automotive trim and appliance components represents its largest fields of application.

Key Properties

These properties for 430 are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as forgings and bar in their respective specifications. Properties of Grade 430F are specified for bar in ASTM A582.

Composition

Typical compositional ranges for grade 430 stainless steels.

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

430

min.

max.

-

0.12

-

1.00

-

1.00

-

0.040

-

0.030

16.0

18.0

-

-

0.75

-

430F

min.

max.

-

0.12

-

1.25

-

1.00

-

0.06

0.15

-

16.0

18.0

-

-

-


Physical Properties

Typical physical properties for annealed grade 430 stainless steels are given in table 3.

Table 3. Physical properties of 430 grade stainless steel in the annealed condition

Grade

Density (kg/m3)

Elastic Modulus (GPa)

Mean Coefficient of Thermal Expansion
(μm/m/°C)

Thermal Conductivity
(W/m.K)

Specific Heat 0-100°C (J/kg.K)

Electrical Resistivity (nΩ.m)

0-100°C

0-315°C

0-538°C

at 100°C

at 500°C

430

7750

200

10.4

11.0

11.4

23.9

26.0

460

600

430F

7750

200

10.4

11.0

11.4

26.1

26.3

460

600


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SS 431 Round Bar

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SS 431 Round Bar
Approx. INR 100 / Kilogram
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We have ready stock of grade 431 which is heat treatable martensitic, nickel-bearing grade has the best corrosion resistance properties of all the martensitic grades. It has excellent tensile and torque strength, and good toughness, making it ideally suited to shafting and bolt applications. It can be hardened to approximately 40HRC. Because of its high yield strength, this grade is not readily cold worked and is therefore not recommended for use in operations such as cold heading, bending, deep drawing or spinning.

Martensitic stainless steels are optimised for high hardness, and other properties are to some degree compromised. Fabrication must be by methods that allow for poor weldability and usually also allow for a final harden and temper heat treatment. Corrosion resistance is lower than the common austenitic grades, and their useful operating temperature range is limited by their loss of ductility at sub-zero temperatures and loss of strength by over-tempering at elevated temperatures.

Key Properties

These properties are specified for bar product in ASTM A276. Similar but not necessarily identical properties are specified for other products such as plate and forgings in their respective specifications.

Composition

Table 1. Composition ranges for 431 grade of stainless steels.

Grade

C

Mn

Si

P

 

Cr

Mo

Ni

N

431

min.

max.

-

0.20

-

1.00

-

1.00

-

0.040

-

0.030

15.00

17.00

-

1.25

2.50

-


Grade specifications for 431 grade stainless steels.

Grade

UNS No

Old British

Euronorm

Swedish SS

Japanese JIS

BS

En

No

Name

431

S43100

431S29

57

1.4057

X17CrNi16-2

2321

SUS 431

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ST 52-3 Round Bar

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ST 52-3 Round Bar
Approx. INR 750 / Kilogram
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CHARACTERISTIC Steel grade ST 52-3 N is a low carbon, high strength structural steel which can be readily welded to other weldable steel. With its low carbon equivalent, it possesses good cold-forming properties. The bar is supplied in normalized or control-rolled condition . APPLICATIONMachinery parts which weldable steels are needed, mobile equipment, crane, boom, chassis, anchor bolts, connecting rod, bridges and most structural activities. CHEMICAL COMPOSITION (%) C Si Mn P S Nb Al N max 0.20 0.15 - 0.50 max 1.60 max 0.035 max 0.035 0.02 -  0.04  min 0.02  max 0.009 Note : If steel is grain-refined with Al, N = max 0.015 %. DELIVERY CONDITION Normalised Min 160HB MECHANICAL PROPERTIES Yield Strength Reh min Tensile Strength Rm min Elongation A5 min (N/mm2) (N/mm2) (%)Impact Values Charpy-V-Notch Longitudinal 355 Min 490 Min 20 % Min Min 27 Joules at - 20 o C
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EN41b Round Bar

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EN41b Round Bar
Approx. INR 70 / Kilogram
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EN 41B


Chemical Composition:
Typical analysis in %
CSiMnCrNiMoAl
0.35 - 0.450.10 - 0.450.65
Max
1.40 - 1.800.40
Max
0.10 - 0.250.90 - 1.30


Applications :
For Shaft which have to be nitrided for pressing plastics which require very high surface hardness.

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SS Square Bar

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SS Square Bar
Approx. INR 170 / Kilogram
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Product Details:
Thickness/Diameter0-1 inch, 3-4 inch
ApplicationManufacturing
Single Piece Length3 meter, 36 meter

Backed by rich industry experience, we are presenting a vast variety of SS Square Bar. The offered range is used in various industries for different purpose. Offered in various sizes and types, this range is manufactured by our vendors, using high quality raw material to suit the requirements of our customers. Furthermore, the entire range is passed through a series of practical tests ensuring its durability. Also, we offer the offered range at industrial leading prices.

Specifications:

  • Diameter: 5.0 mm-300 mm
  • Length: 3000 mm

Features:

  • Convinced optimized design
  • Precision-engineered
  • Unmatched quality
Specifications :-

  • Size :- 3m-36m
  • Thickness :- 1- 4mm
  • Material :- Stainless Steel
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Mahavir Metal Corporation
Ankit Chandan (Managing Director)
91/95, Kika Street, Gulalwadi Gora, Gandhi Bldg, Near CP Tank, Charni Road ,
Mumbai - 400004, Maharashtra, India
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