Tianjin Brisk Steel is one of the manufacturers of Reliable S275J0H Rectangular Tube in China. Our products are mainly exported to the Middle East, Southeast Asia, Europe, New Zealand, and other regions.If you would like to learn more about our products, feel free to contact us and send your purchase list.
Decoding S275J0H: What the Standard Means
The designation S275J0H follows the strict guidelines of the European structural steel standard EN 10210 (for hot-finished hollow sections) or EN 10219 (for cold-formed hollow sections):
- S: Indicates Structural steel.
- 275: Represents a minimum yield strength of 275 MPa, offering an optimized balance of strength and ductility.
- J0: Guarantees that the steel has been impact-tested to withstand at least 27 Joules of energy at 0°C, ensuring reliability in cool or unpredictable climates.
- H: Stands for Hollow section.
Key Benefits of S275J0H Rectangular Tubes
1. Superior Structural Efficiency
The rectangular profile provides exceptional resistance to bending and twisting forces. This high structural efficiency allows engineers to design lighter frameworks, reducing overall project weight and foundations costs.
2. Excellent Weldability & Fabrication
With a low carbon equivalent value (CEV), S275J0H steel is highly adaptable to standard welding methods (such as MIG, TIG, or stick welding) without requiring extensive pre-heating. It can also be easily cut, bent, and drilled to meet complex design specifications.
3. Cost-Effective Performance
For projects where the extreme strength of S355 or sub-zero resilience of J2 steels isn't required, S275J0H offers a highly economical alternative that still complies with strict building regulations and quality codes.
4. Aesthetic Appeal
The smooth, flat surfaces and tight corner radii of our rectangular tubes provide a clean, modern aesthetic that is highly favored in exposed structural steelwork (AESS) and architectural designs.
Technical Specifications & Product Range
We offer a comprehensive portfolio of sizes and wall thicknesses to accommodate diverse engineering requirements:
| Specification | Details |
| Standard Compliance | EN 10210-1/2 or EN 10219-1/2 |
| Manufacture Type | ERW |
| Dimensions (mm) | 40mm x 20mm up to 500mm x 300mm (Custom dimensions available) |
| Wall Thickness (mm) | 2.0mm to 20.0mm |
| Length | 5.8m, 6m, 11.8m, 12m, or precise cut-to-length options |
| Surface Protection | Bare (uncoated), Anti-rust oil coating, Black primer, Hot-dip galvanized |
Common Applications
Our S275J0H rectangular hollow sections are widely utilized by contractors and fabricators in the following areas:
- Commercial & Industrial Buildings: Steel framing, warehouse columns, roof trusses, and mezzanine floor supports.
- Machinery Manufacturing: Heavy-duty equipment chassis, manufacturing platforms, and assembly conveyor lines.
- Infrastructure Projects: Highway barriers, pedestrian bridge structures, and architectural canopies.
- Material Handling: Storage racks, pallet systems, and crane support frameworks.
Chemical Composition (Max %)
-
C: 0.20%
-
Si: 0.4%
-
Mn: 1.50%
-
P: 0.035%
-
S: 0.035%
Frequently Asked Questions (FAQs)
FAQ
Q: What is the primary difference between S275J0 and S275J2H?
A: The primary difference lies in the impact testing temperature. S275J2 is impact-tested at room temperature (-20°C), while S275J0H is impact-tested at 0°C. The "H" also indicates that it is specifically manufactured as a hollow section. Choose S275J0H if your structure will be exposed to freezing conditions or outdoor winter environments.
Q: Is S275J0H suitable for hot-dip galvanizing?
A: Yes. Our steel chemistry is carefully monitored to ensure optimum silicon and phosphorus levels, allowing the zinc layer to adhere perfectly during the hot-dip galvanizing process. This provides excellent, long-term corrosion resistance for outdoor or highly humid installations.
Q: Can you accommodate custom lengths to reduce on-site cutting waste?
A: Absolutely. We provide precise, in-house cut-to-length services. You can order exact lengths (e.g., 7.5 meters or 9.2 meters) to perfectly match your engineering blueprints, minimizing scrap steel and saving on-site labor costs.
Q: How are the rectangular tubes packaged for international shipping?
A: To protect the edges and prevent surface rust during ocean freight, the tubes are packed in secure hexagonal bundles with steel strapping. The ends can be capped with plastic protectors, and the entire shipment can be wrapped in heavy-duty waterproof woven bags upon request.
Contact Us
If you are interested in our Reliable S275J0H Rectangular Tube, please contact us with your specific requirements (specifications, quantity, material, surface treatment, etc.), and we will provide you with a detailed quotation and product sample as soon as possible. We look forward to establishing long-term cooperative relationships with you!!
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