356x127x33/39 S355JR/J0 h beam section
Model identification
UB 356×127×33 steel h beam: section height 356mm, flange width 127mm, unit weight 33kg/m13.
UB 356×127×39 h beam: the web and flange thickness are increased, the unit weight is increased to 39kg/m, suitable for higher load scenarios.
Implementation standard: in accordance with European standards EN 10025 and EN 10034:1993, material grade is S355JR or S355J0.
UB 356×127×33/39 h section steel material properties
Mechanical properties: yield strength≥355MPa, tensile strength470~630MPa (common for S355JR/J0).
Impact toughness of S355JR h-shaped steel: Impact energy ≥27J at room temperature (20℃), suitable for conventional industrial environments.
Impact toughness of S355J0 h-shaped steel profile: Optimized low-temperature toughness (0℃ impact energy ≥27J), suitable for cold areas or low-temperature applications.
Plastic deformation capacity: Elongation ≥22%, can adapt to complex processing requirements.
Chemical composition (typical value): Carbon (C) ≤0.22%, Manganese (Mn) ≤1.60%, Phosphorus (P) ≤0.025%, Sulfur (S) ≤0.025%, Silicon (Si) is used for deoxidation and strengthening, S355J0 improves low-temperature toughness by fine-tuning the composition.
Corrosion resistance and durability of UB 356×127×33/39 h beam structure
Conventional environment: Good corrosion resistance in atmospheric environment, suitable for most industrial scenarios.
Special protection requirements: Wet or corrosive environments require coatings (such as galvanizing, painting) to extend service life.
Application areas of UB 356×127×33/39 h beam material
Building structures: high-rise building frames, industrial plant support beams and other heavy-duty load-bearing parts.
Bridge engineering: key structures such as main beams and supports that require high strength and seismic resistance.
Machinery manufacturing: heavy equipment bases, crane rails and other scenes that require high rigidity and fatigue resistance.
