... : Q195, Q235, Q345B, SS4004. Specification: 20^20~300^300mm,; Length:6m,9m,10,12m, 5.8 meters for 20' container, 6 meters to 12 ... Angle Steel BarSize (mm)Tolerance (mm)Thickness (mm)Tolerance (mm)20±0.83,4±0.425±0.83,4±0.430 ... ±0.670±1.24,5,6,7,8±0.675±1.25,6,7,8,10±0.680±1.25,6,7 ... T/T 30% Upfront or 100% Irrevocable LC at sight .8. Delivery: FOB / C&R / CIF9. Supply Ability: 30000MT/month 10 ...