S355NL S355ML HEA200 steel wide flange beam

Model: HEA200 h steel profile
Height: 200 mm
Width: 190 mm
Web thickness: 6.5 mm
Flange thickness: 10 mm
Weight per meter: about 42.3 kg.

S355NL steel h profile material
1. Chemical composition
Carbon (C): ≤0.22%
Silicon (Si): ≤0.55%
Manganese (Mn): 1.60%
Phosphorus (P): ≤0.025%
Sulfur (S): ≤0.025%
Copper content (Cu): ≤0.55%.

2. Mechanical properties
Yield strength: ≥355 MPa
Tensile strength: 470-630 MPa
Elongation: ≥22%
Low-temperature toughness: Impact energy ≥27J at -50℃.

3. Features
Low-temperature toughness: S355NL is particularly suitable for low-temperature environments and has good impact properties.
Welding performance: excellent welding performance, suitable for a variety of welding methods, suitable for on-site construction.

S355ML h beam section material
1. Chemical composition
Carbon (C): ≤0.22%
Silicon (Si): ≤0.55%
Manganese (Mn): 1.60%
Phosphorus (P): ≤0.025%
Sulfur (S): ≤0.025%
Copper content (Cu): ≤0.55%.

2. Mechanical properties
Yield strength: ≥355 MPa
Tensile strength: 510-680 MPa
Elongation: ≥18%
Impact toughness: Impact energy ≥27J at -20℃.

3. Features
High strength: After quenching and tempering treatment, the strength and toughness are significantly improved.
Welding performance: Good welding performance, suitable for on-site construction of complex structures.
Low temperature resistance: Suitable for low temperature environment, with good crack resistance.

HEA200 steel made of S355NL and S355ML materials are widely used in construction, bridges, ships, energy engineering and other fields due to their high strength, excellent low-temperature toughness and good welding performance. Among them, S355NL is more suitable for applications in low-temperature environments, while S355ML has higher strength and toughness after quenching and tempering, and is suitable for more complex engineering scenarios.