... .4408 2.standard: ASTM, AISI, BS, JIN , DIN,GB stainless steel casting cf8m parts1.ISO9001: 2000 Approved2.technique: silicon sol technique ... /investment casting/lost-wax casting/stainless steel casting3.Material: stainless steel304,316,316L, CF8,CF8M,CF3, ... CF3M, carbon steelC20,ZG45,WCB,WCC, alloy steel etc4.Standard: ASTM,AISI,DIN,JIS,BS etc5. strict material ...