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HEA160 HEB160 S275JR/S355JR h shaped steel
h-shaped beam structural features
HEA160: The cross-section height is slightly lower, the web and flange are thinner, suitable for light loads or weight-sensitive scenes.
HEB160: The cross-section is higher and the flange and web are thicker, with stronger bending and torsion resistance, suitable for heavy-load structures.
Strength comparison of S275JR h-shaped iron beam and S355JR h-shaped steel beam HEA160
Yield strength
S275JR: yield strength ≥275 MPa, tensile strength 490-660 MPa
S355JR: yield strength ≥355 MPa, tensile strength 590-790 MPa
Toughness
S275JR h-section steel beam: impact toughness ≥27 J at 20℃, good welding performance
S355JR h-shaped beam: impact toughness ≥27 J at 20℃, but good weldability and plasticity are maintained after strength improvement.
Influence on the performance of HEA160 steel section
Bending capacity: Under the same cross-sectional size, HEA160 made of S355JR material has a bending bearing capacity that is about 29% higher than that of S275JR due to its higher yield strength
Deformation resistance: The higher strength of S355JR can reduce the risk of plastic deformation under high loads and is suitable for supporting structures with larger spans.
Applicable scenarios
S275JR h beam material: Suitable for medium load scenarios, such as light factories and ordinary bridge supports.
S355JR h beam steel structure: Suitable for heavy-load structures (such as high-rise buildings and heavy equipment bases), which can reduce cross-sectional dimensions or extend service life.
