Normal composition%
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
Max | |||||||||
0.03 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 20.0~23.0 | Bal. | Max 0.50 | Max 1.0 | - |
Typical Physical properties
Properties Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Ni | Balance | Balance | 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 | Balance | Balance | Balance | |
Max Continuous Service Temperature(°C) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Resisivity (uΩ.m,20°C) | 1.09 | 1.18 | 1.11 | 1.04 | 1.04 | |
Density (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Thermal Conductivity(KJ/m·h·°C) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of Thermal Expansion(α×10-6/°C) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Melting Point( °C) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite |
Style of supply
Alloys Name | Type | Dimension | ||
Ni80Cr20W | Wire | D=0.03mm~8mm | ||
Ni80Cr20R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
Ni80Cr20S | Strip | W=8~250mm | T=0.1~3.0 | |
Ni80Cr20F | Foil | W=6~120mm | T=0.003~0.1 | |
Ni80Cr20B | Bar | Dia=8~100mm | L=50~1000 |