Tianjin Brisk Steel is one of the manufacturers of Cold Formed S460NH Steel 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.
PRODUCT
Tianjin Brisk Steel focus on produce and supply hollow section and steel pipe
What is S460NH? Understanding the EN 10219 Standard
1. Superior Strength-to-Weight Ratio
With a minimum yield strength of 460 MPa, these tubes allow engineers to design lighter, more slender structural members without sacrificing safety or stability. Lighter structures mean lower material costs, reduced foundation requirements, and lower transportation expenses.
2. Excellent Low-Temperature Impact Toughness
The "N" designation guarantees that the steel is processed from fine-grain material, which provides excellent notch toughness. S460NH tubes are impact-tested at -20°C with a minimum energy absorption of 40 Joules, making them highly reliable in cold climates and dynamic loading conditions.
3. Exceptional Weldability and Formability
Despite its high strength, the chemical composition of S460NH features a strictly controlled Carbon Equivalent Value (CEV). This ensures excellent weldability using standard commercial processes, drastically reducing the risk of cold cracking during fabrication.
4. Tight Dimensional Tolerances
Our cold-formed manufacturing process ensures exceptional dimensional accuracy, uniform wall thickness, straightness, and sharp geometric profiles (for square and rectangular sections), facilitating seamless on-site assembly and modular construction.
Technical Specifications & Size Range
We supply a comprehensive range of S460NH hollow sections, including Circular (CHS), Square (SHS), and Rectangular (RHS) profiles:
| Property / Parameter | Specification Details |
| Standard | EN 10219-1 / EN 10219-2 |
| Profiles Available | Circular (CHS), Square (SHS), Rectangular (RHS) |
| Manufacture | ERW / LSAW / SMLS |
| Size Range | Square: 20x20mm – 1200x1200mm |
| Wall Thickness (WT) | 2.0mm to 50.0mm |
| Length | 6m, 11.8m, 12m, or customized fixed lengths according to project blueprints |
| Surface Treatment | Bare/Lightly Oiled, Anti-corrosion Black Primer, Hot-Dip Galvanized (HDG) |
Mechanical Properties
- Minimum Yield Strength (Re): 460 MPa
- Tensile Strength (Rm): 530 – 720 MPa
- Minimum Elongation: 17%
- Impact Test: Min. 40 Joules at -20°C
Details of S460NH Steel Tubes
Primary Applications of S460NH Steel Tubes
The high-strength profile of S460NH makes it indispensable for highly stressed, critical components across global industries:
- High-Rise & Commercial Construction: Structural columns, lattice trusses, mega-frame structures, and stadium roofs.
- Bridge Engineering: Pedestrian walkways, bridge bracing elements, and structural support pillars.
- Heavy Machinery & Equipment: Boom arms for cranes, heavy-duty trailer frames, agricultural equipment, and mining chassis.
- Offshore & Marine Engineering: Structural components for offshore platforms, wind turbine jackets, and port handling equipment exposed to high dynamic stresses.
Quality Assurance & Export Compliance
We enforce strict quality control standards to ensure our products fulfill the most rigid engineering demands:
- Full Traceability: Every shipment is accompanied by a Mill Test Certificate (MTC) matching EN 10204 3.1, validating the exact chemical melt analysis and mechanical test data.
- Non-Destructive Testing (NDT): 100% continuous Eddy Current or Ultrasonic weld seam testing to guarantee complete weld penetration and zero internal defects.
- Third-Party Verification: We fully accommodate pre-shipment inspections by world-recognized agencies such as SGS, Bureau Veritas (BV), or TÜV.
Frequently Asked Questions (FAQ)
Q: What is the main difference between S355NH and S460NH steel tubes?
A: The primary difference is strength. S460NH has a minimum yield strength of 460 MPa, whereas S355NH has a yield strength of 355 MPa. Choosing S460NH allows you to handle approximately 30% higher loads using the exact same dimensions, or conversely, downscale the thickness of the steel tube to save significant overall structure weight.
Q: Why choose Cold-Formed (EN 10219) S460NH over Hot-Finished (EN 10210)?
A: Cold-formed S460NH steel tubes are highly cost-effective and offer exceptionally tight dimensional tolerances, smoother surface finishes, and sharper corner configurations. For applications where strict dimension control and budget efficiency are high priorities, cold-formed EN 10219 tubes are the ideal choice.
Q: Can S460NH steel tubes be hot-dip galvanized?
A: Yes. Our S460NH steel chemistry is carefully monitored to control silicon and phosphorus levels (following Class 1 or Class 3 galvanizing requirements). This ensures that the steel reacts optimally during hot-dip galvanizing, resulting in a uniform, highly adherent protective zinc layer that delivers decades of atmospheric corrosion resistance.
Q: How do you protect these high-strength tubes from damage during international ocean transport?
A: To preserve the structural integrity and surface finish during maritime shipping, the tubes are tightly packed into hexagonal bundles secured by heavy-duty steel bands. We apply a temporary anti-rust varnish or light oil coating to the exterior surfaces, wrap the bundles in waterproof PVC woven sheets, and protect tube ends with specialized plastic caps to block moisture ingress.
Contact Us
If you are interested in our Cold Formed S460NH Steel Tubes, 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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