... construction 2.Length:6meter,9meter,12meter High-strength Hot Rolled H-Beam with wide flange1. Size:1) H: 100-800mm 2) B: 50 ... Q235, Q345 etc.3. Standard: GB/T11263-1998, JIS G31301, ASTM, DIN, etc.4. Advantage of H-beam:Light weight, high strength, high ... plants, civil construction, municipal works, oil platforms, bridges,flatbed beams, electrified railway power stand, railway bridges and other light ...