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A36/A572GR50/A992 w14x311 Wide Flange Beams (WFB)
W14x311 h section beam: In the naming rules of American standard H-beam, "W" stands for width (Width), in inches; "311" stands for weight per foot (pounds/foot). Therefore, the section width of W14x311 is 14 inches, and the theoretical weight is 311 pounds/foot.
Dimension parameters: According to the general standards of American standard H-beam, the specific dimensions of W14x311 may be about 360mm in height, about 310mm in flange width, and about 17.9mm in web thickness (need to be confirmed in combination with specific steel mill data).
Implementation standard: American standard H-beam follows ASTM A6 standard, and materials A572GR50 and A992 correspond to ASTM A572 and ASTM A992 standards respectively.
Application of W14x311 h section steel
Construction field: frame structures and large-span beams and columns used in high-rise buildings.
Bridges and heavy machinery: bridge trusses, excavators, cranes, etc. that bear high loads.
Special projects: nuclear power equipment, offshore platforms, etc., which require high corrosion resistance and high strength.
Material property comparison
| Material | Chemical composition (typical values) | Mechanical properties (MPa) | Applicable scenarios |
|---|---|---|---|
| A36 | C≤0.25%,Mn≤0.80% |
Yield strength 250, tensile strength 420 |
General building structures, non-load-bearing components |
| A572GR50 | C≤0.20%, Nb/V added in small amount |
Yield 345-470,tensile 490-600 |
High-strength load-bearing structures, bridges, machinery |
| A992 | C≤0.25%, containing trace alloy elements | Yield 460-520, tensile 620-720 | High-rise buildings, heavy industrial equipment |





















