In the structural framework of large buildings and bridges, the European standard HEA1000 S355J2 H beam plays a critical supporting role. Its high strength and excellent bending and shear performance allow it to withstand enormous vertical and horizontal loads.
The HEA1000 S355J2 H-beam is widely used in large commercial complexes, high-rise buildings, bridges, and industrial facilities that require heavy load-bearing capacity, making it a core component of modern steel structures.
Specification of HEA1000 S355J2 H beam
The "990" refers to the total section height of 990 mm, while the "300" indicates the flange width (i.e., the "wings" on both sides) of 300 mm. These two dimensions together define the overall macro profile of the member. The "16.5" and "31" denote the thickness of the web (the middle part connecting the flanges) and the flange, respectively.
When bearing vertical loads, the web primarily resists shear forces, while the flanges, located far from the neutral axis, mainly resist the tensile and compressive stresses generated by bending.
A relatively thin web (16.5 mm) ensures sufficient shear capacity while reducing the self-weight of the structure. A thicker flange (31 mm) places more material at the edge regions where stresses are highest, significantly enhancing the section's resistance to bending deformation, i.e., its sectional moment of inertia.
This "thick-flange, thin-web" configuration is the key reason why HEA1000 S355J2 H beam can achieve extremely high bending stiffness with a relatively low self-weight.
Contact now to get S355J2 H Beam Quote
Chemical Composition of S355J2 H-Beam
| Element | Unit | Maximum / Typical Value |
|---|---|---|
| Carbon (C) | % | ≤ 0.22 |
| Manganese (Mn) | % | 1.60 max |
| Phosphorus (P) | % | ≤ 0.035 |
| Sulfur (S) | % | ≤ 0.035 |
| Silicon (Si) | % | ≤ 0.55 |
| Nitrogen (N) | % | ≤ 0.012 |
| Copper (Cu) | % | ≤ 0.30 |
| Nickel (Ni) | % | ≤ 0.30 |
| Chromium (Cr) | % | ≤ 0.30 |
| Molybdenum (Mo) | % | ≤ 0.30 |
| Vanadium (V) | % | ≤ 0.30 |
Physical Properties of S355J2 H-Beam
| Property | Unit | Value / Range |
|---|---|---|
| Yield Strength (ReH) | MPa | ≥ 355 |
| Tensile Strength (Rm) | MPa | 470–630 |
| Elongation (A%) | % | ≥ 20 |
| Impact Energy (Charpy V, -20°C) | J | ≥ 27 |
| Brinell Hardness (HB) | HB | ≤ 135 |
| Modulus of Elasticity (E) | GPa | 210 |
| Density | kg/m³ | 7850 |
| Poisson's Ratio | – | 0.3 |
| Thermal Conductivity | W/(m·K) | 50 |
| Thermal Expansion Coefficient | 10⁻⁶/K | 12 |
Application case of HEA1000 S355J2 H beam
In a landmark high-rise office tower project in Frankfurt, Germany, we selected HEA1000 H-beams with S355J2 steel as the building's core frame columns to meet stringent load-bearing requirements.
The large section height of these beams provides an exceptionally high sectional moment of inertia, making them ideal for critical load-bearing locations subject to substantial bending moments.
A total of 36 HEA1000 H-beams were installed as the main frame columns, with each beam weighing over 5.8 tons. During construction, considering the large size of the beams, we employed custom lifting equipment, optimized installation sequences, and high-precision joint techniques to ensure structural safety and construction accuracy.
By utilizing the "thick-flange, thin-web" design of HEA1000 H-beams, the project achieved extremely high bending stiffness while maintaining relatively low self-weight, successfully supporting the load requirements of the high-rise structure.
As a professional supplier of structural steel, GNEE Steel provides S355J2 (EN 10025-2) in various forms to meet the requirements of industries such as high-rise buildings, bridges, industrial plants, and steel structures.
Contact now to get S355J2 H Beam Quote
Our S355J2 steel offers excellent strength, weldability, and toughness, making it ideal for applications requiring high load-bearing capacity and long-term structural stability.
HEA H-Beam Dimensions (S355J2, EN 10025-2)
| HEA Size | Height (H) mm | Width (B) mm | Web Thickness (t_w) mm | Flange Thickness (t_f) mm | Weight kg/m |
|---|---|---|---|---|---|
| HEA100 | 100 | 100 | 5 | 8 | 12.3 |
| HEA120 | 120 | 120 | 5.5 | 8.5 | 15.6 |
| HEA140 | 140 | 140 | 6 | 9 | 19.6 |
| HEA160 | 160 | 160 | 6 | 9.5 | 24.0 |
| HEA180 | 180 | 180 | 6.5 | 10 | 29.1 |
| HEA200 | 200 | 200 | 7 | 11 | 35.3 |
| HEA220 | 220 | 220 | 7 | 11 | 42.1 |
| HEA240 | 240 | 240 | 7.5 | 12 | 49.9 |
| HEA260 | 260 | 260 | 8 | 13 | 59.2 |
| HEA280 | 280 | 280 | 8 | 13.5 | 68.9 |
| HEA300 | 300 | 300 | 8.5 | 14 | 78.8 |
| HEA320 | 320 | 320 | 9 | 14.5 | 88.9 |
| HEA340 | 340 | 340 | 9 | 15 | 99.4 |
| HEA360 | 360 | 360 | 10 | 15.5 | 110.3 |
| HEA400 | 400 | 400 | 10 | 16 | 129.4 |
| HEA450 | 450 | 450 | 11 | 17 | 157.0 |
| HEA500 | 500 | 500 | 12 | 18 | 187.0 |
| HEA550 | 550 | 550 | 13 | 19 | 218.0 |
| HEA600 | 600 | 600 | 14 | 20 | 251.0 |
| HEA800 | 800 | 300 | 15 | 25 | 380.0 |
| HEA1000 | 1000 | 300 | 16.5 | 31 | 580.0 |
What is structural steel S355J2?
S355J2 is a medium tensile, low carbon manganese steel which is readily weldable and possess good impact resistance (also in sub-zero temperatures). This material is commonly supplied in the untreated or normalized condition. Machinability of this material is similar to that of mild steel.
What is steel S355J2 equivalent to?
The ASTM equivalent of S355J2 is A572 Grade 50, with similar high strength and low-temperature toughness for structural use. Gangsteel's high-quality plates ensure compliance for your projects. For more, explore our BS EN 10025-2 material grade guide.
Is S355J2 mild steel?
Enhanced Strength: With a minimum yield strength of 355 MPa, S355-J2 MS Beams are among the strongest in the mild steel category, providing robust support and stability for heavy-load bearing structures.
What is the tensile strength of S355J2?
S355J2 has a tensile strength of 470 to 630 MPa and minimum yield strength of 355 N/mm2.
Contact now to get S355J2 H Beam Quote