... 40, ASTMA148Class80-50A572GR60, AISI316 stainless steel,ST52, S355, GS-52.3, ASTMA48Class30BCK45, 1.7218-25CrMo4Sand castingGGG50,GGG30, ASTMA48 class25B, 42CrMo4 ... casting ,die casting and so onStandard: GB ,ASTM ,DIN ,JISCasting process: client drawings-pattern-raw casting-maching-packing ... to customers' requirements MOQ 1pcs for samples Standard DIN,JIS,ANSI,ASTM,BS,GB or according to customers ...