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Nichrome Wire
We are a leading Manufacturer of kanthal a1 grade strip from Mumbai, India.
Kanthal A1 Grade Strip
Product Price: Rs 1,400 / KgGet Best Price
Product Brochure
Product Details:
| Power/Voltage | 220 V |
| Form | Strip |
| Max Working Temperature | 1400 Degree C |
| Ultimate Tensile Strength - Deformation Rate | 6.2 x 10 - 2 per min |
| Creep Strength | 1% Elongation in 1000 Hr |
| Density | 7.1 g/cm3 |
| Electrical Resistivity | 1.45 (At 20 Degree C) |
| Poisson's Ratio | 0.3 |
We are offering Kanthal Strip to our clients. Kanthal A-1 is a ferritic iron-chromium-aluminum alloy (FeCrAl alloy) for use at temperatures up to 1400°C (2550°F). The alloy is characterized by high resistivity and very good oxidation resistance.
Typical applications for Kanthal A-1 are electrical heating elements in high-temperature furnaces for heat treatment, ceramics, glass, steel, and electronics industries.
Chemical composition:
| C % | Si % | Mn % | Cr % | Al % | Fe % | |
|---|---|---|---|---|---|---|
| Nominal composition | 5.8 | Bal. | ||||
| Min | - | - | - | 20.5 | - | |
| Max | 0.08 | 0.7 | 0.4 | 23.5 | - |
Mechanical properties:
| Wire size | Yield strength | Tensile strength | Elongation | Hardness |
|---|---|---|---|---|
| Ø | Rp0.2 | Rm | A | |
| mm | MPa | MPa | % | Hv |
| 1.0 | 545 | 760 | 20 | 240 |
| 4.0 | 475 | 680 | 18 | 230 |
Mechanical properties at elevated temperature:
| Temperature °C | 900 | 1000 | 1100 | 1200 | 1300 |
|---|---|---|---|---|---|
| MPa | 34 | 18 | 10 | 6 | 4 |
Creep strength - 1% elongation in 1000 h:
| Temperature °C | 800 | 1000 |
|---|---|---|
| MPa | 1.2 | 0.5 |
Young's modulus:
| Temperature °C | 20 | 100 | 200 | 400 | 600 | 800 | 1000 |
|---|---|---|---|---|---|---|---|
| GPa | 220 | 210 | 205 | 190 | 170 | 150 | 130 |
Temperature factor of resistivity:
| Temperature°C | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 | 1300 | 1400 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ct | 1.00 | 1.00 | 1.00 | 1.00 | 1.01 | 1.02 | 1.02 | 1.03 | 1.03 | 1.04 | 1.04 | 1.04 | 1.04 | 1.05 |
The coefficient of thermal expansion:
| Temperature °C | Thermal Expansion x 10-6/K |
|---|---|
| 20 - 250 | 11 |
| 20 - 500 | 12 |
| 20 - 750 | 14 |
| 20 - 1000 | 15 |
Thermal conductivity:
| Temperature °C | 50 | 600 | 800 | 1000 | 1200 | 1400 |
|---|---|---|---|---|---|---|
| W m-1 K-1 | 11 | 20 | 22 | 26 | 27 | 35 |
Specific heat capacity:
| Temperature °C | 20 | 200 | 400 | 600 | 800 | 1000 | 1200 | 1400 |
|---|---|---|---|---|---|---|---|---|
| kJ kg-1 K-1 | 0.46 | 0.56 | 0.63 | 0.75 | 0.71 | 0.72 | 0.74 | 0.80 |
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