... JIS,ASTM,EN,GB: Q235,Q235A,Q235B,Q345 We provide high quality and different size of Equal Angle steel & Unequal Angle steel with JIS,ASTM,EN,GB ... : Q235,Q235A,Q235B,Q345,SS400/540,SM490,S235JRG1,S235JR ... capacity,plastic transform function and certain mechanical strength.ASTM Standard Unequal Angle steel bar: