... 2.Size: 10-63mm 3.Length:6-12m Steel I-beam 1.Grade:Q235B,Q345,SS400,A36,etc. 2. ... Size: 10-63mm 3.Length:6-12mMild Steel I-beam 1.Grade:Q235B,Q345,SS400,A36,etc2.We can ... AISI,ASTM,GB,etcGrade201, 304, 316, 321, 316LDescriptionStianless steel I-beam, I-stee l ,H-steelSurfaceBright, polished ,peeled, cold drawn, hot ... feel free to contact us.Welcome your requires and hope we can establish friendly and