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A36/A572GR50/A992 W12x35 W12x40 W12x45 h profile steel
A36 h beam structure, A572 Gr.50 steel h beam and A992 material H-beam W12x35, W12x40 and W12x45 represent different specifications of wide flange H-beam. Although the materials are different, the main dimensional parameters remain the same, and the difference lies mainly in the mechanical properties of the material such as yield strength.
W12x35: height about 12.53 inches (318 mm); width about 6.52 inches (166 mm); web thickness about 0.435 inches (11 mm); flange thickness about 0.62 inches (15.7 mm); weight per foot is 35 pounds/foot (about 52.1 kg/meter).
W12x40: height about 12.31 inches (313 mm); width about 7.65 inches (194 mm); web thickness about 0.43 inches (10.9 mm); flange thickness about 0.67 inches (17 mm); weight per foot is 40 pounds/foot (about 59.5 kg/m).
W12x45: height about 12.19 inches (310 mm); width about 8.02 inches (204 mm); web thickness about 0.475 inches (12.1 mm); flange thickness: about 0.72 inches (18.3 mm); weight per foot is 45 pounds/foot (about 67 kg/m).
Applicable scenarios
W12x35 is suitable for building structures under medium load conditions, such as beams or columns in residential buildings or light commercial buildings.
W12x40 is suitable for multi-story buildings with higher load requirements, industrial plants or as a secondary member of a bridge.
W12x45 is suitable for heavy industrial buildings, long-span bridges or other engineering scenarios with high requirements for bearing capacity.
