... steel round 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 ... : 1. Tool Steel, 1.2510 / O1 / SKS 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 30 - 300 mm, width 100 - 600 mm) Length: 2.0 - 5.0 ...