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product name: | Alloy electric heating wire |
Place of Origin: | Peoples Republic of China | |
Post Date: | August 26, 2009 | |
Edit Date: | August 26, 2009 | |
Detailed Product Description:
flat wire and round wire of Ni80Cr20,Ni60Cr15,Ni30Cr20,Ni70Cr30,1Cr13Al4,0Cr21Al6,0Cr23Al5,0Cr25Al5,OCr21Al40Cr21Al6Nb,etc
Alloy electric heating wire
FEATURES AND DESCRIPTIONS:
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 |