... casting cf8m parts 1.material:cf8,cf8m, scs13,ss304,316,1.4408 2.standard: ASTM, AISI, BS, JIN , DIN,GB stainless steel casting ... .technique: silicon sol technique/investment casting/lost-wax casting/stainless steel casting3.Material: stainless steel304,316,316L, CF8 ... ASTM,AISI,DIN,JIS,BS etc5. strict material inspection6.test material machine: spectrometre7. precision dimension control8. tolerance : ...