... -500-7 EN1563 , EN10293-GE300HT200, DIN17205-GS-25CrMo4 Die castingC1040 ,Alsi12Material: alloyProcess: sand casting ,investment casting ,die casting and so onStandard: GB ,ASTM ,DIN ,JISCasting ... , copper-aluminum alloy or according to customer's request process casting,die-casting,CNC lathe works , turning ,finish machining Major product precision machined ...