Nickel Chrome Heating Wire - NiCr70 30¹

Product Description Our resistance wire(heating wire) used at operating temperatures up to 1200. Its chemical composition gives good oxidation resistance especially under conditions of frequent switching or wide temperature fluctuations.Applications include heating elements in both domestic and industrial appliances and in control resistors.Purposes: Ni-Cr materials are widely used in industrial electric furnaces, household appliances and far-infrared devices because of their high temperature strength and strong plasticity.Alloy Nomenclature/Performance NiCr8.20NiCr70 30NiCr60 15NiCr35 20NiCr30 20Main Chemical compositionNiRestRest55.0-61.034.0-37.030.0-34.0 Cr20.0-23.028.0-31.015.0-18.018.0-21.018.0-21.0 Fe≤ 1.0≤ 1.0RestRestRestMax. continuous service temp. of element12001250115011001100Resistivity at 20oC (μ Ω · m)1.091.181.1211.04Density (g/cm 3 )8.48.18.27.97.9Thermal conductivity(KJ/m· h· oC)60.345.245.243.843.8Coefficient of lines expansion(α × 10-6/oC)1817171919Melting point (approx. )( oC)14001380139013901390Elongation at rupture (%)> 20> 20> 20> 20> 20Micrographic structureausteniteausteniteausteniteausteniteausteniteMagnetic propertiesnonmagneticnonmagneticnonmagneticWeak magneticWeak magnetic 

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