S235JR /S355JR I Beam are structural I-beams conforming to EN standards, with good weldability and load-bearing capacity, and are widely used in building structures, bridges, factories and steel structure engineering.
IPE 200 IPE 300 Structural Steel Beam S235JR S355JR European Standard Universal I Beam for Construction Support
| Property | Specification / Details |
|---|---|
| Material Standard | EN 10025-2 (S235JR / S355JR structural steel) |
| Mechanical Strength | S235JR: Yield ≥235 MPa; Tensile 360–510 MPa | S355JR: Yield ≥355 MPa; Tensile 470–630 MPa |
| Section Sizes | IPE80 to IPE600 (custom sizes available) |
| Length Options | Standard 6 m & 12 m; project-based cutting available |
| Dimensional Control | Produced to EN 10034 / EN 10029 tolerances |
| Inspection & Certification | EN 10204 3.1; optional SGS / BV testing |
| Surface Condition | Black, primed, painted, or hot-dip galvanized |
| Typical Uses | Buildings, bridges, workshops, warehouses, machinery frames, infrastructure projects |
| Carbon Equivalent (Ceq) | S235JR ≤0.42%; S355JR ≤0.47%, suitable for structural welding (EN & AWS standards) |
| Finish Quality | Smooth surface, no cracks or laminations; straightness ≤2 mm/m |
| Property | S235JR Specification | S355JR Specification | Description |
|---|---|---|---|
| Yield Strength | ≥235 MPa | ≥355 MPa | Load level where permanent deformation starts |
| Tensile Strength | 360–510 MPa | 470–630 MPa | Maximum tensile load before fracture |
| Elongation | ≥26% | ≥22% | Ductility measured over standard gauge length |
| Hardness (Brinell) | ~110–140 HB | ~140–180 HB | Indicative hardness range |
| Carbon (C) | ≤0.17% | ≤0.24% | Balanced for strength and weldability |
| Manganese (Mn) | ≤1.40% | ≤1.60% | Improves strength and low-temperature toughness |
| Sulfur (S) | ≤0.035% | ≤0.035% | Controlled to maintain ductility |
| Phosphorus (P) | ≤0.035% | ≤0.035% | Limited to enhance toughness and fatigue resistance |
| Silicon (Si) | ≤0.40% | ≤0.55% | Contributes to strength and deoxidation |
| Shape | Depth (in) | Flange Width (in) | Web Thickness (in) | Flange Thickness (in) | Weight (lb/ft) |
| W8×21（Sizes Available） | 8.06 | 8.03 | 0.23 | 0.36 | 21 |
| W8×24 | 8.06 | 8.03 | 0.26 | 0.44 | 24 |
| W10×26 | 10.02 | 6.75 | 0.23 | 0.38 | 26 |
| W10×30 | 10.05 | 6.75 | 0.28 | 0.44 | 30 |
| W12×35 | 12 | 8 | 0.26 | 0.44 | 35 |
| W12×40 | 12 | 8 | 0.3 | 0.5 | 40 |
| W14×43 | 14.02 | 10.02 | 0.26 | 0.44 | 43 |
| W14×48 | 14.02 | 10.03 | 0.3 | 0.5 | 48 |
| W16×50 | 16 | 10.03 | 0.28 | 0.5 | 50 |
| W16×57 | 16 | 10.03 | 0.3 | 0.56 | 57 |
| W18×60 | 18 | 11.02 | 0.3 | 0.56 | 60 |
| W18×64 | 18 | 11.03 | 0.32 | 0.62 | 64 |
| W21×68 | 21 | 12 | 0.3 | 0.62 | 68 |
| W21×76 | 21 | 12 | 0.34 | 0.69 | 76 |
| W24×84 | 24 | 12 | 0.34 | 0.75 | 84 |
| W24×104（Sizes Available） | 24 | 12 | 0.4 | 0.88 | 104 |
| Parameter | Typical Range | ASTM A6/A6M Tolerance | Notes |
|---|---|---|---|
| Depth (H) | 100–600 mm (4"–24") | ±3 mm (±1/8") | Must stay within nominal size |
| Flange Width (B) | 100–250 mm (4"–10") | ±3 mm (±1/8") | Ensures stable load-bearing |
| Web Thickness (t_w) | 4–13 mm | ±10% or ±1 mm | Affects shear capacity |
| Flange Thickness (t_f) | 6–20 mm | ±10% or ±1 mm | Critical for bending strength |
| Length (L) | 6–12 m standard; custom 15–18 m | +50 / 0 mm | No minus tolerance allowed |
| Straightness | — | 1/1000 of length | e.g., max 12 mm camber for 12 m beam |
| Flange Squareness | — | ≤4% of flange width | Ensures proper welding/alignment |
| Twist | — | ≤4 mm/m | Important for long-span beams |
Hot Rolled Black:Standard state
Hot-dip galvanizing: ≥85μm (compliant with ASTM A123), salt spray test ≥500h
Coating: The surface of the steel beam was coated with liquid paint by pneumatic spraying.
| Customization Category | Options | Description | MOQ |
|---|---|---|---|
| Dimension | Height (H), Flange Width (B), Web & Flange Thickness (t_w, t_f), Length (L) | Standard or non-standard sizes; cut-to-length service available | 20 tons |
| Surface Treatment | As-rolled (black), Sandblasting / Shot blasting, Anti-rust oil, Painting / Epoxy coating, Hot-dip galvanizing | Enhances corrosion resistance for different environments | 20 tons |
| Processing | Drilling, Slotting, Bevel cutting, Welding, End-face processing, Structural prefabrication | Made per drawings; suitable for frames, beams, and connections | 20 tons |
| Marking & Packaging | Custom marking, Bundling, Protective end plates, Waterproof wrapping, Container loading plan | Ensures safe handling and shipping, ideal for sea freight | 20 tons |
Building Construction: Employed as carline beams and columns in high-rise buildings, factories, warehouses, bridges to carry load of structures.
Bridge Engineering: Utilized as primary and secondary members of road and pedestrian bridges.
Industrial & Equipment Support: Strong support for heavy equipment, machinery, and industrial frames and platforms.
Structural Strengthening: Applied for load boost and flexural enhancement of existing structures.
Building Structure
Bridge Engineering
Industrial Equipment Support
Structural Reinforcement
1) Branch Office - Spanish-speaking support, customs clearance assistance, etc.
2) Over 5,000 tons of stock in stock, with a wide variety of sizes
3) Inspected by authoritative organizations such as CCIC, SGS, BV, and TUV, with standard seaworthy packaging
Packing:
The bundles are strapped with steel strappings, with wooden sheet between layers to avoid shifting and surface damage.
Wrapped with moisture and rust protection waterproof paper or plastic film.
Well identified with grade, size, heat no. & inspection particulars.
Delivery:
By Sea: B/L shipment of container or break-bulk in accordance with beam size and port of destination.
Shipping is scheduled to provide safe handling, efficient load, and timely delivery.
Europe & Global Market Transportation Solution: S235JR /S355JR I Beam are mainly transported by containers or in bulk vessel by sea, covered with steel strap, end protection and optional anti-rust treatment to ensure that deliveries are safe, stable and efficient to Europe, the Middle East, Africa and other world market.
Q:What are S235JR and S355JR?
A:These are grades of structural steel according to EN 10025-2. S235JR is a common structural steel with good weldability, S355JR is a higher strength steel for heavier loads.
Q:What types of I beams are available?
A:Some popular series are IPE, HEA, HEB and HEM. Customized sizes is also available.
Q:How long can you supply?
A:Standard lengths are 6 m and 12 m. Shearing service is available upon request.
Q:What surface treatments are available?
A:Black (hot rolled), sandblast, prime coating, paint, epoxy coating, zinc rich coating, and hot dip galvanize.
Q:Can I weld and cut the beams?
A:Yes. S235JR and S355JR both hold tightly controlled carbon levels that make them ideal for welding, drilling, and cutting.
Address
Bl20, Shanghecheng, Shuangjie Street, Beichen District, Tianjin, China
Phone
+86 13652091506
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