DescriptionElectric alloy wireMaterial: Cr20Ni80,Cr15Ni60,GH140,Cr20Ni35Spec.: φ0.03mm~φ8.0mmuse: used to electric stove, house electric appliance, far infrared equipment.Main technical parament:| Trademark | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | | Function | | | | | | | Main chemical ingredients(%) | Ni | leftover | leftover | 55.061.0 | 34.037.0 | 30.034.0 | | Cr | 20.023.0 | 28.031.0 | 15.018.0 | 18.021.0 | 18.021.0 | | Fe | ≤1.0 | ≤1.0 | leftover | leftover | leftover | | Highest temperature() | 1200 | 1250 | 1150 | 1100 | 1100 | | Melting point() | 1400 | 1380 | 1390 | 1390 | 1390 | | Densityg/cm3 | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | | Specific resistanceμΩ·m,20 | 1.09±0.05 | 1.18±0.05 | 1.11±0.05 | 1.04±0.05 | 1.04±0.05 | | Extention rate(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | | Specific heat(J/g.) | 0.440 | 0.461 | 0.494 | 0.500 | 0.500 | | Heat transmiting coefficiency (KJ/m.h) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | | Wire distend coefficiency(a×10-6/)201000 | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | | Micro-oranization | Austeniti | Austeniti | Austeniti | Austeniti | Austeniti |
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