... 347L,409L,410,420,430,601,800,904L, etcST37-2, ASTM A36,S235JR,S355JR,SS4001.8-12mm,1250/1500mmWidely used in light ... structures,producing all kinds of conventional weapons:the barrel, shells and so on.Structural Steel PipeCr5Mo, Cr9Mo, 15CrMo, 35CrMo, 12Cr1MoV, ... used in petroluem,natrual gas and heating pipelineStainless Steel AngleSS400-SS540 Series ,ASTM 304/304L 316 /3016L ASTM,JIS,GB,EN3-12mm,25 ...