Description
| Outer Diameter: | 15*15-500*500mm |
| Length: | Max. 12 meters |
| Standard: | GB, ANSI,ASME,ASTM, JIS,DIN,BS,EN |
| Steel Grade: | Q195/Q215/Q235/Q345/10#/20#/ASTM A106 GRB |
| Packing: | Hexagonal bundles of max. 3,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper |
| Test: | Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. |
| SIZE: | Hot rolled:W.T: 1.0-25mm |
| Cold rolled:W.T:0.6-1.5mm | |
| Other Surface Treatment: | ainted letter, embossed, painting |
| Material: | Q195/Q215/Q235/Q345,GR A, GR B, S235JR |
| Usage: | For construction , structure,furniture, guardrail,fencing |
1. We can produce pipes according to your requirements.
2. We can provide some accessories if you need.
3. We can accept small quantity inquiry.
4. If you can not find the size you need, or the product you want, you can contact us directly! We can product according to your needs.
Square Steel Tube and Rectangular size:

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B2B Ordering FAQ
What is the MOQ for this product?
Our standard MOQ is 5 metric tons for stock sizes. Full-container orders (20ft/40ft) get the best unit price; smaller trial orders are available for new customers.
What is the delivery time?
Stock items ship within 7-10 days after deposit. Custom sizes and special coatings take 15-25 days depending on the specification.
What trade terms do you support?
We quote FOB Tianjin as standard, and also support CIF, CFR, and DDP to major ports worldwide. Payment: T/T 30% deposit + 70% against B/L copy, or L/C at sight.
Can I get a sample before bulk order?
Yes. Sample pieces are available at cost price with shipping charged to the buyer; the sample fee is deducted from the first bulk order.
Do you provide mill test certificates?
Yes, every shipment includes MTC (Mill Test Certificate) covering chemical composition and mechanical properties, plus SGS inspection on request.







