... and requirementsStandardASTM, ANSI, DIN, GB, NF, ISO, BS, JISMaterialstainless steel, carbon steel, high alloy steel, ductile iron, gray cast iron, aluminum alloy, bronze, etc ... ’s requirements. Casting OEM serviceMaterial: iron, gray iron, ductile iron, steel, stainless steel, carbon steel, alloy, high-chromium alloy, bronzeStandard: GB, ASTM, DIN, JISWeight ...