S355JR S275JR HEB600x300x15.5x30 H-section steel beam
S355JR h shaped steel
Definition: S355JR is a European standard medium carbon structural steel, and the implementation standard is EN10025-2.
Features: High yield strength (≥355 MPa), suitable for high-strength structural needs.
Chemical composition (typical value)
Carbon (C): 0.22%
Silicon (Si): 0.55%
Manganese (Mn): 1.60%
Phosphorus (P): ≤0.045%
Sulfur (S): ≤0.045%.
Mechanical properties
Yield strength (σs): ≥355 MPa
Tensile strength (σb): 470-630 MPa
Elongation (A): ≥21%
Impact toughness (room temperature): No specific requirements.
S275JR h beam structure
Definition: S275JR is a European standard low carbon structural steel, and the implementation standard is EN10025-2.
Features: moderate yield strength (≥275 MPa), with good welding and processing properties.
Chemical composition (typical value)
Carbon (C): 0.21%
Silicon (Si): 0.50%
Manganese (Mn): 1.50%
Phosphorus (P): ≤0.045%
Sulfur (S): ≤0.045%.
Mechanical properties
Yield strength (σs): ≥275 MPa
Tensile strength (σb): 400-510 MPa
Elongation (A): ≥21%
Impact toughness (room temperature): no specific requirements.
HEB600x300x15.5x30 structural h beam specifications
Waist height (H): 600 mm
Leg width (B): 300 mm
Waist thickness (t_w): 15.5 mm
Leg thickness (t_f): 30 mm.
This specification of H-beam has a large section modulus and is suitable for bearing higher bending moments and shear forces.
Mechanical properties
For HEB600x300x15.5x30 h-shaped iron beam made of S355JR and S275JR, its mechanical properties will be affected by both the material and the specification.
For example: S355JR has a higher yield strength and is suitable for high load requirements; S275JR has a moderate yield strength but has good welding and processing properties.
Characteristics of S355JR and S275JR
S355JR h-section steel beam has high strength and is suitable for high load requirements.
S275JR h-shaped beam has low cost and good welding performance and is suitable for general use.
Characteristics of HEB600x300x15.5x30 h-beam steel structure
The section modulus is large and is suitable for bearing higher bending moments and shear forces.
Excellent welding and processing properties.
Combined features
S355JR + HEB600x300x15.5x30 structural steel h beam is suitable for high load bearing and large span structures.
S275JR + HEB600x300x15.5x30 h beam material is suitable for general construction and bridge engineering.


