The S355JR H-beam 244×252×11×11 is a low-alloy high-strength structural steel conforming to the European standard EN10025. With its excellent mechanical properties and wide range of applications, it has become one of the core materials in modern engineering and construction.
S355JR H-beam
Basic Dimensions of S355JR H-beam
| Parameter | Value | Unit |
|---|---|---|
| Section Height (h) | 244 | mm |
| Flange Width (b) | 252 | mm |
| Web Thickness (tw) | 11 | mm |
| Flange Thickness (tf) | 11 | mm |
| Root Radius (r) | 12 | mm |
| Weight per Meter | ~60 | kg/m |
Contact now to get the S355JR H Beam Quote
Mechanical Properties of S355JR H-beam
| Property | Value | Test Condition / Note |
|---|---|---|
| Yield Strength (ReH) | ≥355 | MPa, room temperature |
| Tensile Strength (Rm) | 470–630 | MPa, room temperature |
| Elongation (A) | ≥20 | % |
| Impact Energy (KV) | ≥27 | J, -20°C |
| Hardness | ≤180 | HB (Brinell) |
| Density | 7.85 | g/cm³ |
Sectional Properties of S355JR H-beam
| Property | Value | Unit | Note |
|---|---|---|---|
| Cross-Sectional Area (A) | 67.5 | cm² | Approximate |
| Moment of Inertia about Strong Axis (Ix) | 8400 | cm⁴ | Bending about Y-axis |
| Moment of Inertia about Weak Axis (Iy) | 3300 | cm⁴ | Bending about X-axis |
| Section Modulus (Wx) | 688 | cm³ | Strong axis |
| Section Modulus (Wy) | 262 | cm³ | Weak axis |
| Radius of Gyration (rx) | 11.2 | cm | Strong axis |
| Radius of Gyration (ry) | 7.0 | cm | Weak axis |
Core Performance Advantages of S355JR H-Beams
High Strength and Toughness
S355JR has a yield strength of up to 355 MPa and a tensile strength of up to 490 MPa, enabling it to withstand heavy loads and high-stress conditions. Its J-grade impact toughness (≥27 J at 20°C) ensures structural integrity under extreme weather or impact conditions, significantly enhancing safety performance.
Excellent Weldability and Workability
This steel supports various welding methods, such as manual arc welding and gas-shielded welding, with stable weld quality and reduced risk of defects. Additionally, it exhibits excellent cold forming and hot working properties, making it easy to cut and bend into complex shapes, fulfilling diverse design requirements.
Corrosion Resistance and Stability
With carefully controlled chemical composition (C ≤ 0.22%, Mn 0.60–1.10%), S355JR demonstrates good corrosion resistance in typical atmospheric environments and is suitable for long-term outdoor use, particularly for exposed structures such as bridges and ports.
Contact now to get the S355JR H Beam Quote
Dimensions and Manufacturing Details
Specifications: The cross-section measures 244 mm in height × 252 mm in width, with both web and flange thicknesses of 11 mm, providing a balance of lightweight design and high load-bearing capacity.
Delivery Condition: The H-beam is typically supplied in hot-rolled or controlled-rolled condition. Dimensional tolerances strictly comply with European standards (e.g., width deviation within ±15 mm), ensuring construction accuracy.
Case of S355JR H Beam In Bridge
In the Lakeview, Alabama infrastructure project, S355JR H-beams were used as the main load-bearing girders for a medium-span pedestrian and vehicle bridge. The beams' high yield strength of 355 MPa allowed the design team to reduce cross-sectional dimensions, lowering overall structural weight while ensuring excellent load-bearing capacity.
During construction, the S355JR H-beams demonstrated outstanding bending resistance and toughness, providing stability under both static loads from the bridge deck and dynamic loads from traffic and wind.
Their excellent weldability and precise dimensional tolerances facilitated efficient on-site assembly, reducing construction time without compromising quality.
The use of S355JR H-beams significantly enhanced the bridge's seismic and impact performance, demonstrating the material's reliability and suitability for modern bridge engineering projects.
Contact now to get the S355JR H Beam Quote
What is A992 beam?
It is the most common structural steel for wide flange beams, but can cover any hot rolled shape. It is considered a more affordable structural steel given improved strength to weight ratio. Industries. As a structural steel product, A992 steel beams are ideal for general construction.
Is A992 the same as A36?
ASTM A992 outperforms A36 in structural strength, weld consistency, and seismic resilience-making it ideal for modern construction. Still, A36 remains a solid, cost-effective choice for lighter-duty and non-critical applications. Choose based on structural requirements, budget, and project design.
What is A992 steel equivalent to?
ASTM A992 is currently the most available steel type for structural wide-flange beams. The industry's technical institute describes the standard thus: "ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) is the preferred material specification for wide-flange shapes, having replaced ASTM A36 and A572 grade 50.
Is A992 the same as A572?
In most cases, ASTM A992 steel can be dual-certified to A572 grade 50, exhibiting the high strength and improved weight-to-strength found in A572 carbon steel. Since A992 welds easily, it is often used to fabricate structural steel components where high corrosion resistance is required.
What is the difference between ASTM A992 and S355?
Both standards have similar carbon limits, ensuring comparable weldability. S355 allows higher manganese content, contributing to its strength properties. ASTM A992 includes optional copper for corrosion resistance-a feature not typically specified in S355 unless ordered with weathering steel requirements.