S355K2 Steel Construction H Beam Section Steel

Chemical composition of S355K2 h beam section
Carbon (C): ≤0.24%.
Silicon (Si): ≤0.60%.
Manganese (Mn): ≤1.70%.
Phosphorus (P): ≤0.035%.
Sulfur (S): ≤0.035%.
Copper (Cu): ≤0.60%.

Yield strength of S355K2 structural steel beam
Thickness ≤ 16 mm, ≥ 355 MPa;
Thickness 16 - 40 mm, ≥ 345 MPa;
Thickness 40 - 63 mm, ≥ 335 MPa;
Thickness 63 - 80 mm, ≥ 325 MPa;
Thickness 80 - 100 mm, ≥ 315 MPa;
Thickness 100 - 150 mm, 295 MPa;
Thickness 150 - 200 mm, ≥ 285 MPa;
Thickness 200 - 250 mm, ≥ 275 MPa;
Thickness 250 - 400 mm, ≥ 265 MPa.
Tensile strength: ranges from 450 to 600 MPa.
Elongation: Typically, the minimum elongation for different thicknesses is 22%.
Impact energy: ≥ 27 J at - 20 °C.

Physical properties of S355K2 construction steel beam
Density: 7.85 g/cc.
Resistivity: 0.0000170 ohm-cm.
Coefficient of linear thermal expansion: 12.0 µm/m-°C.
Specific heat capacity: 0.470 J/g-°C.
Thermal conductivity: 52.0 W/m-K.

Characteristics of S355K2 h-section beam
Good weldability: It has good weldability and can meet the requirements of various welding processes in construction.
High strength: It has high yield strength and tensile strength, can withstand large loads, and meet the strength requirements of different parts in construction projects.
Good impact resistance: It has good impact resistance and can improve the safety and reliability of buildings when subjected to impact or vibration.

Application of S355K2 h-section steel
Building structure: It is widely used in the construction of industrial and civil buildings, such as the frames of high-rise buildings, large-span workshops, and stadiums.
Bridge engineering: Applicable to the construction of various bridges, including beam bridges, arch bridges, and cable-stayed bridges, providing reliable structural support.
Mechanical equipment: Can be used to manufacture brackets and frames for large mechanical equipment, such as brackets and frames for construction machinery such as cranes and excavators.

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