Shanxi Zhongcheng Metal Co., Ltd.
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA |
| Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available |
| Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons |
| Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 |
| Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA |
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Product Specification
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal | Supply Ability | 10000tons |
| Delivery Time | 15-25days | Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA | Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available | Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg | Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons | Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 | Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA | ||
| High Light | S355J2H Rectangular SS Tube ，Seamless Hot Finished Structural Hollow Sections ，Welded Hot Finished Structural Hollow Sections | ||
S355J2H is a European standard hot-finished seamless or welded structural hollow section specified under EN 10210-2. The "S" stands for structural steel, "355" indicates minimum yield strength of 355 MPa (at 16mm thickness), "J2" denotes impact testing at -20°C, and "H" signifies hollow section.
S355J2H Rectangular Tube is widely used in load-bearing structures, steel frameworks, bridges, cranes, and heavy machinery where high strength, good weldability, and low-temperature toughness are required.
Unlike cold-formed hollow sections (EN 10219), S355J2H under EN 10210 is hot-finished, which results in more uniform mechanical properties, better weldability, and less residual stress.
| Quick Facts | Value |
|---|---|
| Standard | EN 10210-2 |
| Material | S355J2H (1.0576) |
| Shape | Rectangular |
| Process | Hot-finished seamless or welded |
| Key Feature | High strength, -20°C impact toughness |
| Primary Use | Structural frameworks, bridges, and cranes |
| Parameter | Details |
|---|---|
| Standard | EN 10210-2 |
| Material Grade | S355J2H (1.0576) |
| Shape | Rectangular Hollow Section (RHS) |
| Manufacturing Process | Hot-finished (seamless or welded) |
| Surface Finish | Mill scale / Black (or primed upon request) |
| Length | 6,000 mm / 12,000 mm or custom cut |
| End Finish | Plain cut, deburred / Bevelled / Threaded |
| Height × Width (mm) | Wall Thickness (mm) |
|---|---|
| 50 × 30 | 2.5 – 4.0 |
| 60 × 40 | 3.0 – 5.0 |
| 80 × 40 | 3.0 – 5.0 |
| 80 × 60 | 3.0 – 6.0 |
| 100 × 50 | 3.0 – 6.0 |
| 100 × 80 | 4.0 – 8.0 |
| 120 × 60 | 4.0 – 8.0 |
| 120 × 80 | 4.0 – 8.0 |
| 150 × 100 | 5.0 – 10.0 |
| 160 × 80 | 5.0 – 10.0 |
| 180 × 100 | 5.0 – 12.0 |
| 200 × 100 | 5.0 – 12.0 |
| 200 × 150 | 6.0 – 12.5 |
| 250 × 150 | 6.0 – 16.0 |
| 300 × 200 | 6.0 – 16.0 |
| 400 × 200 | 8.0 – 20.0 |
Custom sizes available upon request.
| Parameter | Tolerance |
|---|---|
| Height & Width | ± 1% (min ± 0.5 mm, max ± 10 mm) |
| Wall thickness | ± 10% (min ± 0.3 mm) |
| Straightness | ≤ 0.15% of total length |
| Corner radius | ≤ 3× wall thickness (external) |
| Twist | ≤ 2 mm + 0.5 mm per meter |
| Packaging Type | Description |
|---|---|
| Bundled | Steel straps, 1–3 tons per bundle |
| Loose | For small quantities or short lengths |
| Wooden crates | For export and fragile finishes |
| End caps | To protect the tube ends and the internal surface |
| Waterproof wrapping | For ocean / long-distance shipment |
| Edge protectors | Prevents strap damage to tube edges |
Per EN 10210-2, S355J2H has the following chemical requirements (ladle analysis).
| Element | Content (%) | Notes |
|---|---|---|
| Carbon (C) | ≤ 0.22 | Controlled for weldability |
| Silicon (Si) | ≤ 0.55 | Deoxidizer |
| Manganese (Mn) | ≤ 1.60 | Provides strength |
| Phosphorus (P) | ≤ 0.030 | Low for toughness |
| Sulfur (S) | ≤ 0.030 | Low for cleanliness |
| Nitrogen (N) | ≤ 0.012 | Controlled |
| Carbon Equivalent (CEV) | ≤ 0.45 | Ensures good weldability |
*CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15*
| Wall Thickness (mm) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| ≤ 16 mm | ≥ 355 | 470 – 630 | ≥ 20 |
| 16 – 40 mm | ≥ 345 | 470 – 630 | ≥ 20 |
| 40 – 63 mm | ≥ 335 | 470 – 630 | ≥ 20 |
| 63 – 80 mm | ≥ 325 | 470 – 630 | ≥ 20 |
| 80 – 100 mm | ≥ 315 | 470 – 630 | ≥ 20 |
Elongation measured on 5.65√So gauge length.
| Temperature | Minimum Impact Energy (KV) |
|---|---|
| -20°C | ≥ 27 J (longitudinal) |
The "J2" designation guarantees 27 Joules minimum at -20°C, making S355J2H suitable for cold climate and dynamic loading applications.
| Grade | Yield (≤16mm) | Impact Temp | Best For |
|---|---|---|---|
| S355J2H | ≥ 355 MPa | -20°C | General structural, cold regions |
| S355J0H | ≥ 355 MPa | 0°C | Mild climate structures |
| S355NH | ≥ 355 MPa | -20°C (EN 10210-3) | Higher toughness requirements |
| S275J2H | ≥ 275 MPa | -20°C | Lower strength, cost-effective |
Primary Use: Structural frameworks and load-bearing construction
Other Applications:
Quick Pick:
| Need | Choose |
|---|---|
| General structural (cold climate) | S355J2H |
| General structural (mild climate) | S355J0H |
| Higher strength requirement | S420MH or S460MH |
| Cost-sensitive, lower load | S275J2H |
Every S355J2H rectangular tube we supply is backed by comprehensive quality control.
| Test | Standard / Method | Purpose |
|---|---|---|
| Chemical analysis | EN 10276 (OES) | Verify composition |
| Tensile test | EN ISO 6892-1 | Confirm yield, tensile, and elongation |
| Impact test | EN ISO 148-1 (Charpy V-notch) | Verify -20°C toughness |
| Flattening test | EN ISO 8492 | Check ductility |
| NDT (Ultrasonic) | EN 10246-7 | Detect internal defects |
| Dimensional inspection | Calipers, micrometers | Verify size and tolerances |
| Visual inspection | — | Check surface defects |
EN 10204 Type 3.1 – Standard mill certificate
EN 10204 Type 3.2 – Third-party verified (TÜV, BV, SGS)
Full traceability – Heat number stamped on each tube
Please provide:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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