mould steel round bar O1/1.2510: Port:ShenZhen MOQ:20T Supply ... bar O1/1.2510 product Specifications:1.2510: Tool Steel, 1.2510 / O1 / SKS 3 / 9CrWMn, 1.2842 / O2, D2/1.2379, H13/1.2344, A2, O1/1 ... 3 / 9CrWMn, 1.2842 / O2, D2/1.2379, H13/1.2344, A2, O1/1.2510, S7, L6 2. Size : Round bar (dia.50 - ... 400mm), Flat bar (thickness ...