... 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 rolledLength6 meter or as your requirementHight10-40mmWaist high10-63mmWidth12-200mmThickness4-30mmPacking Export-sea ...