... . 2.Size:350mm. 3.Weight:30kg. 4.certificate:ISO9001:2008 Cast iron1.Material:GG25.2.Size:350mm.3.Weight:30kg.4 ... .certificate:ISO9001:20081.sand casting cast iron 2.Standard: ASTM, AISI, BS, DIN, JIS, NF 3 ... Feature:sand casting cast ironMaterials: grey iron, ductile iron, malleable iron,heat resistant iron, carbon steel, stainless steel, aluminum, bronze, brass, zinc ...