... :350mm.3.Weight:30kg.4.certificate:ISO9001:20081.sand casting cast iron 2.Standard: ASTM, AISI, BS, DIN, JIS, ... 100%QC 4.ISO9001Detail Feature:sand casting cast ironMaterials: grey iron, ductile iron, malleable iron,heat resistant iron, carbon steel, stainless steel, aluminum, ... treatment Furnace 1) We can do different kinds of surface treatment after casting, such as machining, polishing, and plating ...