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Excellent Resistance Stability Karm(Ni-Cr-Al-Fe) Alloys Wire for Strain Gauges
Chemical Composition
| Product name | Grade | Main Composition(%) | Density(g/mm2) | |||
| Cr | Al | Fe | Ni | 8.1 | ||
| Karm | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | bal | |
Product Performance
| Resistivity(20°C)(uΩ/m) | 1.33±0.07 |
| TCR(20℃)(×10¯6/℃) | ≤±20 |
| (0~100℃)Themmal EMFvs. Copper(uv/℃) | ≤2.5 |
| Max Working Temp.(℃) | ≤300 |
| Elongation% | >7 |
| Tensile Strength(N/mm2 ) | ≥780 |
| Standard | JB/T 5328 |
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