... 75*75mm Steel Grade:Q195,Q235,Q345,Q420,ASTM A36,SS400/SS540 size:20*20*3-200*200* ... EN,DIN2. Steel Grade:Q195,Q235,Q345,Q420,ASTM A36,SS400/SS5403. Length: 5.8-12m or ... .Applicant :Widely used in all kinds of architecture and engineering structure, such as the beam, Bridges, transmission ... machinery, the ships, the industrial furnace,container frame and warehouse shelves, etc..8.Delivery time : within 20 ...