... ,D6,O1,A2,S1,S5,S7,M2,L2,L6DIN 1.2365, 1.2343, 1.2344, 1.2379, 1.2436, 1.2510, and 1.2311DIN 1.2738, 1.2542, 1.3343, 1.2714, 1.1730 ... alloy, precision alloy, flat steel, square steel, die steel, spring steel, carbon tool steel, stainless steel, alloy steel, high speed steel, carbon structural steel, hot-rolled bar, hot-rolled ...