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Characteristic:
Nickel chromium alloy with iron resistance electrothermal high resistivity, surface body sexual well. At high temperature and high intensity and a good performance and processing.
Application:
Nickel chromium alloy is widely used metallurgical, electrical, mechanical components and electrical
manufacturing industries for doing heat resistance material.
Cr20Ni35 | ||||||
Main | Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
Max.continuous service temp.ofelement (℃) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Melting point (approx.) ℃ | 1400 | 1380 | 1390 | 1390 | 1390 | |
Density g/cm3 | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
Resistivity μΩ.m,20℃ | 1.09 | 1.18 | 1.12 | 1.0 | 1.04 | |
Elongation % | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Thermal conductivity KJ/m.h.℃ | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of linear expansion | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Micrographic structure | austenite | austenite | austenite | austenite | austenite | |
Magnetic properties | Non magnetic | Non magnetic | Non magnetic | Weak magnetic | Weak magnetic | |
