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610x305x149 610x305x238 S355J0 Steel H Beam
Material properties of S355J0 structural steel beam
S355J0 steel beam is a European standard low alloy structural steel, and the implementation standard is EN10025-2. The delivery state is usually normalized or normalized rolled to ensure a fine grain structure (ferrite grain size ≥6).
Yield strength ≥355MPa, tensile strength 470-630MPa, with high strength and good toughness, suitable for heavy load and low temperature environment.
Chemical composition: C≤0.20%, Si≤0.55%, Mn≤1.60%, S/P≤0.040%, containing appropriate amount of aluminum and nitrogen elements, carbon equivalent controlled at 0.45-0.49, to ensure welding performance.
Processing performance of S355J0 h steel profile
Weldability: Low carbon equivalent, can adapt to a variety of welding processes, and small heat input welding is recommended to reduce the risk of embrittlement.
Corrosion resistance: Through the optimization of alloy elements, it has strong resistance to environmental corrosion and is suitable for humid or corrosive scenes.
UB 610×305×149h beam section specifications and processes
Size: Flange width 305mm, total height 610mm, web thickness about 8.1mm, flange thickness about 14.2mm (refer to UB series tolerance range).
Theoretical weight: about 149kg/m, the specific section parameters after actual tolerance adjustment shall prevail.
Production process: hot rolling forming, full continuous stand rolling, finishing roller length ≥1700mm, to ensure dimensional accuracy.
UB 610×305×238 steel h profile specifications and process
Size: flange width 305mm, total height 610mm, web thickness about 15.6mm, flange thickness about 31.4mm.
Theoretical weight: 238kg/m, heavy-duty cross section, suitable for large-span load-bearing structures.
Process optimization: Normalizing treatment improves toughness, and quenching process is used to improve cutting performance when necessary.
Application areas of S355J0UB 610×305×149/238 h steel profile
Buildings and bridges: used for high-rise building frames and large-span bridge main beams to meet wind and earthquake resistance requirements.
Heavy machinery: manufacturing crane booms and excavator support structures to withstand high dynamic loads.
Energy facilities: used in wind power towers and offshore platform brackets to adapt to low temperatures and corrosive environments.
