S355JR/J0 305x102x25/28/33 h shaped steel column
Model identification
UB 305×102×25 h beam structure: section height 305mm, flange width 102mm, unit weight 25kg/m.
UB 305×102×28 h section beam: flange and web thickness increased, unit weight increased to 28kg/m.
UB 305×102×33 h shaped steel: section thickening design, unit weight 33kg/m, suitable for higher load scenarios.
Implementation standard: Conforms to European standards EN 10025 and EN 10034:1993, material grade is S355JR or S355J0.
Material propertiesComparison
Mechanical properties: Yield strength≥355MPa, tensile strength470~630MPa (common for S355JR/J0).
Impact toughness
S355JR structural steel h beam: Impact energy ≥27J at room temperature (20℃), suitable for conventional environments.
S355J0 structural h beam: Optimized low temperature toughness (0℃ impact energy ≥27J), suitable for cold areas.
Plastic deformation capacity: Elongation ≥22%, meeting complex processing requirements.
Welding and processing performance: Supports manual arc welding, submerged arc welding and other processes, S355J0 has lower carbon equivalent and better welding crack resistance; good cold/hot processing performance, can be cut, bent and rolled into shape.
Application of S355JR/J0 305x102x25/28/33 structural h beam
Heavy industrial structure: plant frame, crane track beam and other high load scenarios.
Bridges and equipment bases: withstand dynamic loads and vibrations, excellent stability.
Energy infrastructure: wind power towers, petrochemical equipment supports, etc.
