... 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/ST37-2 A36/A572,GR50...etc.Standard ... :1)Product Name: equal angle steel 2)Standard: A36/A572,GR503)Size: ... and certain mechanical strength.ASTM Standard Unequal Angle steel bar: