Iron and Steel casting used with Sand casting ( Green sand casting ) and lost wax casting and lost foam casting technology process etc , Industrial casting is mainly gray cast iron and ductile iron, which is widely used in the field of Automotive field and Construction . Material : High Ni resist ASTM-A439 D2, QT 400-18 ,QT450-10 ,QT500-7 , HT200 , SS316 …etc