cold drawn/hot rolled steel square bar A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi ... 1-12m cold drawn/hot rolled steel square bar Material: A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi ... we also supply the hot rolled steel square bar (10-200mm) special shape can be ... bar can be customised by customer’s request, any requirement, feel free contact us. cold drawn/hot rolled steel square bar S45C ...