Нагреватель проволоки

Shanghai Jindian Heating Alloy Material Co., LTD specializes in manufacturing nichrome, Fe-Cr-Al alloys, copper-nickel alloys and special steels. Our company has passed ISO9001 quality certification and has been continuous awarded as "High Quality Enterprises" and "Trustworthy Enterprises". Our products have been widely used in electric furnaces manufacturing , heat-treating processes, metal industry,chemical industry, glass industry, enemal industry, aircraft, automobile manufacture and military industry etc.. "Quality first and credit management " is our business tenet.We are willing to establish strong and long-time partnerships with our customers and We will provide our customers with high-quality and low-price products and the best after-sales service. Nickel chromium alloy major technical performance Just Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30 Major chemical components% Ni Cushion Cushion 55.061.0 34.037.0 30.034.0 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 Components maximum use 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 ResistivityμΩ·m,20 1.09±0.05 1.18±0.05 1.12±0.05 1.04±0.05 1.06±0.05 Extension rate% ≥20 ≥20 ≥20 ≥20 ≥20 Than hotJ/g. 0.440 0.461 0.494 0.500 0.500 Heat conduction coefficientKJ/m.h 60.3 45.2 45.2 43.8 43.8 Linear expansion coefficient a×10-6/201000 18.0 17.0 17.0 19.0 19.0 Magnetic Non-magnetic Non-magnetic Non-magnetic Non-magnetic Non-magnetic