S355JR HEB140x140x7x12 H Type Steel Beam

HEB140x140x7x12 h beam steel structure
Waist height: 140 mm
Leg width: 140 mm
Waist thickness: 7 mm
Leg thickness: 12 mm

S355JR h shaped beam material

1. Chemical composition
Carbon (C): ≤0.22%
Silicon (Si): ≤0.55%
Manganese (Mn): ≤1.60%
Phosphorus (P): ≤0.025%
Sulfur (S): ≤0.025%

2. Mechanical properties
Yield strength: 355 MPa
Tensile strength: 470-630 MPa
Elongation: ≥21%
Impact toughness: Good performance at room temperature

3. Features
High strength, yield strength reaches 355 MPa, suitable for structures that need to bear large loads.
Excellent welding performance, suitable for a variety of welding methods.
Good low temperature toughness, suitable for projects in cold areas.

4. Application areas
High-rise buildings: used for main load-bearing structures such as beams and columns.
Long-span bridges: as the main supporting structure of bridges.
Heavy machinery manufacturing: used to manufacture mechanical parts that bear high loads.
Wind power platform: used for towers and supporting structures.

Features and advantages of HEB140x140x7x12 steel beam h
Cross-section optimization: HEB series H-beams have symmetrical cross-section shapes, which are convenient for evenly distributing loads in construction and mechanical engineering; the waist height and leg width are large, suitable for bearing large bending moments and shear forces.

Flexible design: The two surfaces of the flanges are parallel to each other, which is convenient for connection and installation with other components; they can be connected by welding or bolts, suitable for the assembly of complex structures.

Economic efficiency: Compared with welded I-beams, HEB steel has small residual stress, high processing accuracy and low comprehensive cost; it can reduce material consumption and improve the economy of the project through optimized design.

Wide application: suitable for structures that require high strength and stability, such as high-rise buildings, bridges, and wind power platforms.

HEB140x140x7x12 h profile steel made of S355JR has high strength, good welding performance and design flexibility, and is widely used in high-rise buildings, bridges and heavy machinery manufacturing. Compared with S275JR, S355JR has higher yield strength and better low-temperature toughness, and is suitable for engineering scenarios with higher strength and safety requirements.