Tianjin Brisk Steel is one of the manufacturers of Square Hollow Steel Tubing 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.
Key Advantages of Square Hollow Steel Tubing
Why do global buyers and fabricators specify square hollow sections over traditional open steel profiles?
- Exceptional Torsional Strength: The closed, symmetrical cross-section delivers uniform resistance to bending and twisting in all directions, making it vastly superior to standard I-beams or angles of equal weight.
- Efficient Weight-to-Strength Ratio: Utilizing hollow sections allows for significant material and weight reduction without compromising structural safety. This lowers transport costs and minimizes foundation loads.
- Ease of Fabrication: The flat surfaces make square tubing exceptionally easy to cut, mitre, drill, and weld. It joints seamlessly with other steel elements, reducing shop labor and on-site assembly time.
- Architectural Appeal: With clean lines and a smooth finish, SHS is highly favored in Architecturally Exposed Structural Steel (AESS) applications where the steel remains visible.
Technical Specifications & Capabilities
We offer a diverse and robust inventory of square hollow steel tubing tailored to match the technical demands of your region:
| Parameter | Specifications & Standards |
| Manufacturing Standards | ASTM A500 (Grades A, B, C), EN 10219 (Cold-Formed), EN 10210 (Hot-Finished), JIS G3466 |
| Size Availability | 20mm x 20mm up to 1200mm x 1200mm |
| Wall Thickness (WT) | 1.0mm to 30.0mm |
| Length Profiles | 5.8m, 6m, 11.8m, 12m, or precise custom cut-to-length options |
| Surface Finishes | Bare/Oiled, Anti-Rust Primer/Black Paint, Hot-Dip Galvanized (HDG), Pre-galvanized |
Common Industry Applications
The versatility of square hollow tubing makes it a staple across countless global sectors:
- Building Infrastructure: Structural columns, roof trusses, space frames, and building envelopes for commercial and residential complexes.
- Machinery & Equipment: Heavy equipment chassis, material handling racks, conveyor systems, and agricultural implements.
- Renewable Energy: Structural support frameworks for solar panel ground mounts, tracking systems, and wind turbine components.
- Automotive & Transportation: Vehicle trailers, roll cages, specialized truck bodies, and bus frames.
- Urban Utility: Highway sign gantries, guardrails, security fencing, and architectural handrails.
Frequently Asked Questions (FAQs)
Q: What is the difference between Hot-Finished (EN 10210) and Cold-Formed (EN 10219) square tubing?
A: Hot-Finished (EN 10210) tubes are formed at high temperatures, which relieves internal stresses. This gives them uniform mechanical properties, higher ductility, and makes them suitable for critical dynamic load applications. Cold-Formed (EN 10219) tubes are rolled at room temperature. They are highly cost-effective, offer tight dimensional tolerances, and are ideal for standard structural frameworks, shelving, and machinery.
Q: How do you prevent square hollow sections from rusting during ocean transport?
A: For standard shipments, we apply a high-quality, temporary anti-rust oil or black varnish coating to the outer surface. Additionally, we secure the bundles using heavy-duty steel strapping and can wrap them in waterproof plastic/PVC sheets to protect against seawater and humidity during transit.
Q: Can square hollow tubing be hot-dip galvanized?
A: Yes, absolutely. We supply pre-galvanized square tubing as well as post-production Hot-Dip Galvanized (HDG) tubing (complying with ASTM A123 or EN ISO 1461). HDG provides an exceptionally thick layer of zinc that safeguards the steel from harsh atmospheric corrosion for decades.
Q: Do you offer custom sizing or specialized processing?
A: Yes. Beyond standard dimensions, we offer custom wall thicknesses and lengths to match your exact structural prints. We also provide processing services including precise cut-to-length, beveling, and custom drilling to reduce your on-site fabrication waste.
Contact Us
If you are interested in our Square Hollow Steel Tubing, 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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