h shaped steel beam W30x326 W30x357 structure
W30x326 and W30x357 h type beams are two heavy-duty specifications of American standard Wide Flange Beams, belonging to the steel series of ASTM A36, A992 or other high-strength steels, and are mainly used in structural engineering projects that bear extreme loads, such as large bridges, high-rise buildings and heavy industrial facilities.
h type steel beam size parameter comparison
W30x326 steel beam
Depth: 32.4 inches (823 mm)
Flange Width: 15.255 inches (387.5 mm)
Flange Thickness: 2.010 inches (51.1 mm)
Web Thickness: 1.120 inches (28.4 mm)
Cross-Sectional Area: 95.8 square inches (618 cm²)
Weight per meter: Approximately 485 kg/m (converted from 326 lb/ft)
W30x357 beam steel
Depth: 32.76 inches (832 mm)
Flange Width: 15.305 inches (388.8 mm)
Flange Thickness: 2.205 inches (56.0 mm)
Web Thickness: 1.160 inches (29.5 mm)
Cross-Sectional Area: 105.0 square inches (677 cm²)
Weight per meter: Approximately 531 kg/m (converted from 357 lb/ft)
W30x326 W30x357 structural steel h beam production process
Hot rolling: formed by high temperature rolling of steel billets, with low residual stress and high dimensional accuracy.
Material options: ASTM A992 (high strength low alloy steel) is commonly used, A588 (weathering steel) or custom steel grades can also be selected.
Surface treatment: Galvanized or sprayed anti-corrosion coating can be selected to extend service life.
W30x326 W30x357 h beam material application
Large bridges: such as the main beam of a suspension bridge or steel truss bridge.
High-rise buildings: used as core support columns or long-span floor beams.
Heavy industry: such as crane rails or equipment foundations in steel mills and shipyards.
Infrastructure: such as roof structures of airport terminals and stadiums.
W30x326 is suitable for scenes with high loads but relatively small spans.
W30x357 is suitable for ultra-large spans and extreme loads, providing higher safety redundancy.
W30x326 and W30x357 h-shaped steel beams are heavy-duty wide-wing H-shaped steel beams designed for high-strength, long-span structures. W30x326 h-shaped beam provides efficient load-bearing capacity, and W30x357 h-section steel beam further enhances bending and deformation resistance, suitable for extreme engineering needs.





















