Angle Iron Standard: GB /T9787,ASTM,JIS,EN,DIN Steel Grade:Q195,Q235,Q345,Q420,ASTM A36, ... SS400/SS540 Length: 5.8-12m Angle Iron 1. ... Standard: GB /T9787,ASTM,JIS,EN,DIN2. Steel Grade:Q195,Q235,Q345 ... angle steelSpecification(mm) Unequal angle steelSpecification(mm)25*25*3/432*20*3/430*30*3/440*25*3/440*40*3/4/545*28*3/445*45*3 ...