Customization: | Available |
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Application: | Aviation, Electronics, Industrial, Medical, Chemical |
Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Nichrome and nickel-chromium-iron resistance electrothermal alloy
Alloy Nomenclature Performance | Ni80Cr20 | Ni70Cr30 | Ni60Cr15 | Ni35Cr20 | Ni30Cr20 | |
Main Chemical composition |
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. of element(°C) |
1200 | 1250 | 1150 | 1100 | 1100 | |
Resistivity at 20C (uQ-m) | 1.09 | 1.18 | 1.12 | 1.0 | 1.04 | |
Density(g/cm3) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
Thermal conductivity (KJ/m-h.°C) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of lines expansion(ax10-6/°C) |
18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Melting point approx.( °C) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation at rupture(%) | >20 | >20 | >20 | >20 | >20 | |
Micrographic structure | austenite | austenite | austenite | austenite | austenite | |
Magnetic properties | nonmagneti | nonmagneti C |
Weak magnetic |
Weak magnetic |
Weak magnetic |