1016x305x222 S355J0 Universal Beam Structural Section
1016×305×222 h shaped steel: indicates that the section height of the steel is 1016mm, the flange width is 305mm, and the unit length weight is 222kg/m. It belongs to the British standard H-shaped steel (UB series).
Chemical composition of S355J0 steel h beam
Carbon (C) ≤0.22%, silicon (Si) ≤0.55%, manganese (Mn) ≤1.60%, phosphorus (P) and sulfur (S) are both ≤0.025%, optimizing welding and cold working performance. Alloy elements: containing chromium (Cr) ≤0.30%, nickel (Ni) ≤0.50%, copper (Cu) ≤0.55%, enhancing corrosion resistance and low temperature stability.
Mechanical properties of S355J0 h beam material
Yield strength: ≥355MPa, tensile strength 450-680MPa, significantly higher than ordinary carbon steel. Impact toughness: -20℃ impact energy meets the standard, and the lamellar tearing resistance is excellent (optional Z15/Z25/Z35 grades).
Ductility: Elongation after fracture ≥20%, adapting to complex processing requirements.
Manufacturing process of S355J0 1016x305x222 steel h column
Hot rolling forming: Multi-pass rolling technology is used to improve the material density and uniformity of the structure.
Normalizing treatment: Refine the grains, improve the stability of mechanical properties and welding quality.
