China Heating Element Wire (N40) for Resistor, Find details about China Heating Element Wire, Cronifer III Wire from Heating Element Wire (N40) for Resistor
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 (Ωmm2/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 |