... steel square bar A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi, 40Cr size: 8*8-80*80mm Length: 1-12m cold ... square bar Material: A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi, 40CrCold drawn: Size: width: 8*8-80*80, length : 1 ... steel square bar A36, S45C, Q195, Q235, Q345, 20#, 45#, 20CrMnTi, 40Cr