... ,ST37-2,A36,Q235, Q345 etc. 2.GB/T11263-1998, JIS G31301, ASTM, DIN Hot Rolled H-Beam Steel, Steel H ... , A36, S235JRG1, Q235, Q345 etc.3. Standard: GB/T11263-1998, JIS G31301, ASTM, DIN, etc.4. Advantage of H-beam:Light ... garage, box-type trains, electrical bracket, various venues, small villa manufacturing etc. JIS Hot Rolled H-beam Steel