Europen Steel Structural Profiles EN S355JR I beam
| Property | Specification / Details |
|---|---|
| Material Standard | EN S355JR (high-strength structural steel) |
| Yield Strength | ≥355 MPa; Tensile Strength 470–630 MPa |
| Dimensions | IPE 80–IPE 600 / IPN 80–IPN 550 (per EN 10365 standard range) |
| Length | Standard: 6 m / 12 m; Custom lengths up to 24 m available |
| Dimensional Tolerance | Complies with EN 10034 for hot-rolled structural I sections |
| Quality Certification | EN 10204 3.1 / 3.2; SGS, BV, TUV third-party inspection available |
| Surface Finish | Black steel, hot-dip galvanizing, epoxy coating, sand-blasting SA2.5 |
| Applications | Heavy load-bearing structures, warehouses, industrial buildings, bridges, cranes, and machinery frameworks |
| Carbon Equivalent (Ceq) | ≤0.47% (ensures reliable weldability under EN & AWS welding processes) |
| Surface Quality | Smooth surface free of cracks, rust, and laminations; straightness tolerance ≤2 mm/m |
| Property | Specification | Description |
|---|---|---|
| Yield Strength | ≥355 MPa | Stress level at which permanent deformation begins |
| Tensile Strength | 470–630 MPa | Maximum tensile load the steel can withstand before fracture |
| Elongation | ≥22% | Amount of plastic deformation before breaking, measured over standard gauge length |
| Hardness (Brinell) | 140–180 HB | Typical hardness range for S355JR structural steel |
| Carbon (C) | ≤0.22% | Maintains weldability and toughness at higher strength levels |
| Manganese (Mn) | 1.00–1.70% | Enhances strength, toughness, and impact resistance |
| Sulfur (S) | ≤0.035% | Low sulfur improves ductility and prevents brittleness |
| Phosphorus (P) | ≤0.035% | Low phosphorus enhances toughness and weld quality |
| Silicon (Si) | ≤0.55% | Increases strength and acts as a deoxidizer in steelmaking |
| 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 | EN 10034 Tolerance | Notes |
|---|---|---|---|
| Depth (H) | 100–600 mm (IPE/IPN range) | ±3 mm | Must meet nominal size for structural performance |
| Flange Width (B) | 55–250 mm | ±3 mm | Ensures stable load distribution and welding accuracy |
| Web Thickness (t_w) | 4.5–15 mm | ±10% or ±1 mm | Influences shear strength and overall capacity |
| Flange Thickness (t_f) | 6–24 mm | ±10% or ±1 mm | Critical for bending resistance and stiffness |
| Length (L) | 6–12 m standard; custom up to 24 m | +50 / 0 mm | No negative tolerance allowed for structural beams |
| Straightness | — | ≤ L/1000 | Example: max 12 mm deviation for 12 m beam |
| Flange Squareness | — | ≤4% of flange width | Ensures precise alignment and assembly |
| Twist | — | ≤4 mm/m | Important for long-span industrial and bridge applications |
Hot Rolled Black:Standard state
Hot-dip galvanizing: ≥85μm (compliant with ASTM A123), salt spray test ≥500h
Coating: Liquid paint was evenly sprayed onto the surface of the steel beam using a pneumatic spray gun.
| Customization Category | Options | Description | MOQ |
|---|---|---|---|
| Dimension | Height (H), Flange Width (B), Web & Flange Thickness (t_w, t_f), Length (L) | Full range of IPE/IPN profiles; custom dimensions and cut-to-length service available | 20 tons |
| Surface Treatment | As-rolled (black), Sandblasting/Shot blasting, Anti-rust oil, Epoxy painting, Hot-dip galvanizing | Improves corrosion resistance for outdoor, industrial, and marine environments | 20 tons |
| Processing | Drilling, Slotting, Bevel cutting, Welding, End-face machining, Structural prefabrication | Fabricated per drawings; suitable for load-bearing beams, frames, columns, and steel structure assemblies | 20 tons |
| Marking & Packaging | Custom marking, Bundle strapping, Protective end caps/plates, Waterproof wrapping, Container loading plan | Ensures secure transport and efficient loading for sea, rail, or truck shipments | 20 tons |
Building Structure: beams and columns for multi-story buildings, factories, warehouses and bridges acting as main load carrying members.
Bridge Engineering: Main or secondary beams for road and foot bridges.
Heavy Equipment & Industrial Support: Heavy machinery and industrial platforms are bolstered by support.
Structural Strengthening: The modification or retrofitting of a building or structure that enhances its capacity to carry greater loads or moments.
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
Full Protection: The tarpaulin and 2~3 pcs of desiccant for I-beams; The heat-sealing, waterproof tarpaulin sheets stops rain from enter into the I-beams.
Security bundling: For each bundle is wrapped with 12 - 16 mm steel strap, enough for 2-3 tons and has us compatible lifting equipment.
Good Labeling: Bilingual (English & Spanish) Labels including Grade, Specification and H.S code, Batch # and a reference to the test.
High Profile Protection: I beams ≥800 mm with a layer of alignment oil and twice tarpaulin.
Delivery
Safe Shipment: The best Carriers' Cooperation for Safe sailing(MSK, MSC, COSCO ect).
Quality Control: The beams are dust-tight and you can trust they will arrive intact meaning you have a worry-free job.
Q: What are the standards that your I beams comply with in central America?
A: our i beams conform to ASTM A36& A572 Grade 50 which is accepted in central america. We can also supply products meeting national standard( such as MEXICO NOM) or similar standards.
Q: How long time to delivery to Panama?
A: Transit Time Sea Freight fromTianjin Port to Colon Free Trade Zone 28-32 days wks. 45~60 days for manufacture and delivery. Urgent delivery is available too.
Q: Do you have customs clearance?
A: Sure, our professional brokers will make customs declaration, tax payment & all the paper work, the delivery will be smooth too.
Address
Bl20, Shanghecheng, Shuangjie Street, Beichen District, Tianjin, China
Phone
+86 13652091506





