... ,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 ... industrial plants, civil construction, municipal works, oil platforms, bridges,flatbed beams, electrified railway power stand, railway bridges and other light steel ...