... , EN standard, DIN standard I beam with high quality and competitive prices. I-beam steel is hot rolled from ordinary ... As a China profile steel manufacturer, we can produce I-beam steel of various specifications as per customers' requirements.Standard: YB ... , DIN standard Length: 6-12 metersSpecification of I-beam Steel: NameI-beam SteelMaterialQ235B,Q345B(16Mn),20#Specification20b#20a#18#16#22b ...