... .20,25,30,35,40,45Green-sand mouldingASTM A126-Class A, Class B, Class CResin-sand mouldingDIN-GG10, GG15, GG20, GG25, GG30Lost ... 350Electric-furnace smeltingNF-FGL150, FGL200, FGL250, FGL300 3Carbon steel castings ASTM A216-Cr. WCB. Cr. WCA, Gr. WCCSoluble glass sand ... GE280, GE320, GE370Shell-core cast Electric –furnace smelting4Stainless steel castings ASTM-CF-8M,CF-8, CA-15, CA-40,316,Soluble ...