... / processing with trading.Hot rolled angle bar: (1)Equal angle bar: Material Q235A, B, C, D; Q345 A, B, C, D; Q420; 16Mn. Specification ... , 11, 12.5, 14, 16, 18, 20.(2) Unequal angle bar: Material Q235, Q235A, Q235B, Q345, Q345B, CCSA, CCSB. Specification: 2 ...