Equal Angle Steel GB standard: Q235 Q345 JIS standard SS400 ASTM standard: ASTMA36 EN standard: ST37-2 ST52-3 Product specification:Equal angle steel 1.Grade: A36,SS400,ST37-2,Q235 2.Surface:black,galvaniced,painted 3.For reaction tower,roof beamEqual angle steel 1.Standard: GB, ASTM, JIS, DIN.ect2.Grade: Q195,Q235,Q345,A36,SS400, ST37-2.ect3.Specification: 20*20--200*200mm. Thickness: 3-24mm. ...