cold drawn/hot rolled steel square bar A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi, 40Cr size: 8*8-80*80mm ... drawn/hot rolled steel square bar Material: A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi, 40CrCold drawn: Size: width: 8*8 ... . cold drawn/hot rolled steel square bar A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi, 40Cr