Stainless steel flat bar Grade:AISI316L, 316,310S,310,303,304,317,321 Steel Grade: SAE 4140,4340,1045,8620,8640,1020,4320,52100, ... , ISO, TOCT, GB, ABNTAvailable Size: Engineering steel: size 8×8mm-50×50mm.Tool, die & mold Steel: size 7×7mm-27×27mm(D2 ...