High Quality Steel H Beam ASTM W6x9 Structural Steel h Beam
h shaped steel beam Basic parameters
Specification mark
American standard wide flange H-beam, "W" in the model name represents wide flange, "6" represents the section height of 6 inches (≈152mm), and "9" corresponds to 9 pounds per foot (≈13.4kg/m).
Dimension composition
Web thickness 6mm, flange thickness 9mm.
Flange width 102mm (common size for W6 series).
Implementation standard: ASTM A36/A572GR50/A992 material standard, meeting EN 10034 tolerance requirements.
structural steel beam Material characteristics
Chemical composition
C content 0.28-0.36%, Mn content 0.80-1.10%, P/S impurities ≤0.025%; carbon equivalent ≤0.47%, suitable for conventional welding process.
Material grade
A36 h beam section: Basic carbon structural steel, yield strength ≥250MPa.
A572GR50 h shape metal: Low alloy steel, yield strength ≥345MPa.
A992 steel h profile: High strength structural steel, yield strength ≥350MPa.
Wide Flange H Beam Comparative advantages
| characteristic | W6x9 h beam steel | Ordinary Q235B structural steel |
|---|---|---|
| Strength per unit weight | 38% increase | Benchmark value |
| Section efficiency | Wide flange design improves bending resistance by 15% | Narrow flange structure |
| Environmental adaptability | Passed the salt spray test for 240 hours without rust | Additional anti-corrosion treatment required |
h beam wide flange Mechanical properties
| index | parameter | Test Standards |
|---|---|---|
| tensile strength | 400-550MPa | ASTM A6/A6M |
| Elongation | ≥18% | |
| Impact toughness | -20℃ impact energy ≥27J | EN 10025 |
w wide flange beam Typical application areas
Industrial buildings: light factory main beams, equipment support frames (load ≤ 15 tons).
Multi-story buildings: residential floor secondary beams, commercial building roof truss structures.
Auxiliary structures: equipment maintenance platforms, storage shelf columns.


