Kanthal A-1 adalah feritik besi-kromium-aluminium alloy (FeCrAl alloy) untuk digunakan pada suhu sampai 1400 ° C (2550 ° F). paduan ini ditandai dengan resistivitas tinggi dan ketahanan oksidasi yang sangat baik.
TERSEDIA SIZE : 24 & 26 AWG
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 |
| Temperature °C | 900 | 1000 | 1100 | 1200 | 1300 |
|---|
Mechanical properties at elevated temperature
| MPa | 34 | 18 | 10 | 6 | 4 |
|---|
Ultimate tensile strength - deformation rate 6.2 x 10-2/min
| Temperature °C | 800 | 1000 |
|---|
Creep strength - 1% elongation in 1000 h
| MPa | 1.2 | 0.5 |
|---|
Physical properties
| Density g/cm3 | 7.10 |
|---|
| Electrical resistivity at 20°C Ω mm2/m | 1.45 |
|---|
| Poisson's ratio | 0.30 |
|---|
| Temperature °C | 20 | 100 | 200 | 400 | 600 | 800 | 1000 |
|---|
Young's modulus
| GPa | 220 | 210 | 205 | 190 | 170 | 150 | 130 |
|---|
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