... 300mm 1)Commodity:hot rolled steel h shape steel beam 2)Material: Q235B,SS400,S235jr HOT ROLLED H-BEAMSSIZE (MM)THEORETICAL WEIGHT ... 8H250x125x6x929.7H298x149x5.5x832.6H300x150x6.5x937.3H346x174x6x941.8H350x175x7x1150H396x199x7x1156.7H400x200x8x13661.steel grade:Q235,Q345,SS400 2.standard:JIS,GB ... standardJIS standard, GB/T11263-1998, GB/T11263-20052.steel gradeQ235, Q345, SS4003.size100*100-900*300mm, ...