... product has a Large scope of heat-resistant of 1200°C-1250°CIt has a lifespan of 5-8years under reasonable ... CompositionDensity(g/cm3)Max continuous service temp.of element(°C)Resistivity at 20°C(μΩm)Melting point (approx.)Cr 30 Ni 70NiCrFe8 ... ≤1.0In addtion to Ni,Cr, Fe,Cr30 Ni70 contains C,P,Mn,Si,Al,but their percentage is small.This picture ...