... round bar: Diamet hss and die steel round bar Cr12Mo1V1/D2/1.2379Hot rolling round bar: Diameter 8mm---32mmPrecisely-forged round ... (ASTM), 1.2344(DIN), SKD61(JIS)Chemical Composition: C 0.39, Si 1.10, Mn 0.30, P≤0.028, S ... (ASTM), 1.2344(DIN), SKD61(JIS)Chemical Composition: C 0.39, Si 1.10, Mn 0.30, P≤0.028, S ... (ASTM), 1.2344(DIN), SKD61(JIS)Chemical Composition: C 0.39, Si 1.10, Mn 0.30, P≤0.028, S ...