... :350mm.3.Weight:30kg.4.certificate:ISO9001:20081.sand casting cast iron 2.Standard: ASTM, AISI, BS, DIN, JIS ... :sand casting cast ironMaterials: grey iron, ductile iron, malleable iron,heat resistant iron, carbon steel, stainless steel, aluminum, bronze, brass, zinc alloy etc ... can supply carbon steel, stainless steel and alloy steel precision casting part. and supply chasing ,heat treatment,machining ...