NICR Nickel Chromium Alloy Wire Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23,Ni80, Ni70,Ni60, Ni40
Product Description:
Chemical Composition and Main Properties of Nichrome | ||||||
Properties Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
Main Chemical Composition | 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(oC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Resisivity 20oC (Ω mm2/m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Density (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Thermal Conductivity(KJ/m@ h@ oC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of Thermal Expansion(α × 10-6/oC) | 18 | 17 | 17 | 19 | 19 | |
Melting Point( oC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation(%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite | |
Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | Weak magnetic | Weak magnetic |
Grade | C | Si | Mn | P | S | Ni | Al | Fe | Cr |
Karma | ≤0.04 | ≤0.20 | 0.5~1.05 | ≤0.010 | ≤0.010 | Bal. | 2.7~3.2 | 2.0~3.0 | 19.0~21.5 |
Grade | Density(g/cm3) | EMF vs Pt(0-100ºC)μv/ºC | Max using Temp (ºC) | Volume resistivity(μΩ.m) | PPM value (×10-6/ºC) |
Karma | 8.1 | ≤2.5 | ≤300 | 1.33±5%(20ºC) | ≤±30(20ºC) |