... Specification: 20^20~300^300mm equal angle steel bar1. Item:equal angle steel bar2. Standard: GB, ASTM, JIS,3. Material: Q195, Q235, Q345B, SS4004. Specification ... , 6 meters to 12 meters for 40' container.Commodity: Equal Angle Steel BarSize (mm)Tolerance (mm)Thickness (mm)Tolerance (mm)20±0 ... ,6,8,10±0.670±1.24,5,6,7,8±0.675±1.25,6,7,8,10±0.680±1 ... .25,6,7,8,10±0.690±1 ...