... ASTMA148Class80-50A572GR60, AISI316 stainless steel,ST52, S355, GS-52.3, ASTMA48Class30BCK45, 1.7218-25CrMo4Sand castingGGG50,GGG30, ASTMA48 ... EN-JIS-500-7 EN1563 , EN10293-GE300HT200, DIN17205-GS-25CrMo4 Die castingC1040 ,Alsi12Material: alloyProcess: sand casting ,investment ... casting(2)Hardness checking after heat treatment(3)Dimensions testing after machingServicedrawings→mould making→raw ...