... 3.Sand cast,lost wax casting 4.ASTM,DIN Flange castingSteel flangeIron flangeCover ring castingInvestment castingDie casting ItemDescriptionMaterialTechnical Process1Ductile ... ;JIS-FC10,FC15,FC20,FC25,FC30,FC35;BS-Grade 150,180,220,260,300,350;NF-FGL150,FGL200,FGL250 ... , alloy steelProcess: sand casting ,investment casting ,die casting and so onStandard: GB ,ASTM ,DIN ,JISWeight range: 5g-20ton Quality ...