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356x171x57/67 S355J0 UB Universal beam
UB 356×171×57 h beam structure: section height 356mm, flange width 171mm, unit weight 57kg/m, specific dimensions 358×172.2×8.1×13 (height×width×web thickness×flange thickness).
UB 356×171×67 h section beam: section thickening design, unit weight 67.1kg/m, specific dimensions 363.4×173.2×9.1×15.7.
Implementation standard: in accordance with British standard EN 10034 and material standard EN 10025, S355J0 is a low alloy steel material, suitable for high-strength scenarios.
Material properties of S355J0 h-shaped steel
Mechanical properties: yield strength ≥355MPa, tensile strength 470~630MPa, suitable for heavy-duty structures such as bridges and offshore platforms.
Low-temperature toughness: S355J0 has an impact energy of ≥27J at 0℃, which is significantly better than S355JR, and is suitable for cold areas and low-temperature environments (such as marine engineering).
Plastic deformation capacity: elongation ≥22%, excellent bending and twisting resistance, and high stability.
Welding and processing performance: carbon equivalent optimized design, supports manual arc welding, submerged arc welding and other processes, and has good crack resistance after welding; stable cold/hot processing performance, can be cut, bent and rolled, and adapted to complex structural requirements.
Chemical composition (typical value) of S355J0 steel h column
Carbon (C) ≤ 0.22%, Manganese (Mn) ≤ 1.60%, Phosphorus (P) ≤ 0.025%, Sulfur (S) ≤ 0.025%, Silicon (Si) is used for deoxidation strengthening.
Processing and application performance of S355J0 h beam steel structure
Corrosion resistance : Stable performance in conventional atmospheric environment, and galvanizing, painting and other coating protection are required in marine or humid environments.
Application areas
Marine engineering : Harsh environment structures such as offshore platform bases and support beams.
Bridges and buildings : High-load parts such as main beams and plant frames.
Energy equipment : Dynamic load scenarios such as wind power towers and heavy machinery bases.
