steel angle 75*75mm Steel Grade:Q195,Q235,Q345,Q420,ASTM A36, ... -200*200*24mm L:5.8-12m or customized. steel angle 75*75mm1. Standard: GB /T9787,ASTM,JIS,EN,DIN2. Steel ... architecture and engineering structure, such as the beam, Bridges, transmission tower, lifting transportation machinery, the ships, the industrial furnace,container frame ...