Import Square Steel Tubes — Buy in wholesale FOB from Supplier in China
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Square Steel Tubes
Tianjin Anxintongda Steel Pipe Co., Ltd. offers black‑coated square steel tubes produced from carbon‑steel grades ranging from Q195 to Q345 and the structural grades S235JRH, S275JOH, S355JOH and SS400. The product line is designed for construction, infrastructure and mechanical applications, and the tubes meet a suite of international standards such as ASTM A500, BS EN 10219, EN 10210, GB/T 3094, GB 6728 and JIS G3466. While the catalogue does not list exact dimensions, typical market sizes span 20 × 20 mm to 300 × 300 mm with wall thicknesses from 1.5 mm to 12 mm, covering most structural needs.
The listed grades provide typical tensile strengths of 400‑560 MPa for Q345 and around 350‑470 MPa for Q235, with corresponding yield strengths of 355‑470 MPa. Dimensional tolerances in the industry are usually ±0.5 mm for the overall size and ±0.2 mm for wall thickness, and the black coating offers basic corrosion protection for outdoor installations. These technical properties align with the requirements of scaffolding, frame structures and machinery components used by fabricators and contractors.
Potential buyers include building contractors, equipment manufacturers and distributors seeking reliable structural steel. The supplier does not disclose a minimum order quantity or unit price, so importers should request those details directly. Shipping is typically arranged on FOB Tianjin terms, with payment options such as L/C or T/T after verification of the required quality certificates. Confirming lead‑time, packaging style and any additional surface treatments before ordering is recommended.
| Material | Carbon steel |
| Grade | Q195, Q235, Q345, S235JRH, S275JOH, S355JOH, SS400 |
| Standard | ASTM A500, BS EN 10219, EN 10210, GB/T 3094, GB 6728, JIS G3466 |
| Typical size range | 20 mm × 20 mm to 300 mm × 300 mm (typical) |
| Typical wall thickness | 1.5 mm to 12 mm (typical) |
| Surface finish | Black‑coated (typical) or galvanised (typical) |
| Tensile strength (typical) | 400‑560 MPa for Q345, 350‑470 MPa for Q235 |
| Yield strength (typical) | 355‑470 MPa for Q345, 235‑355 MPa for Q235 |
| Density (typical) | 7.85 g/cm³ |
| Dimensional tolerance (typical) | ±0.5 mm on size, ±0.2 mm on wall thickness |
Tianjin Anxintongda Steel Pipe Co., Ltd. is located in Daqiuzhuang Industry Park, Jinghai County, Tianjin, China (postal code 301606). The company is listed with a harbour‑tier verification and currently shows a 0 % response rate, indicating that communication through the platform may be limited.
The firm specialises in the export of steel pipe products, with a particular focus on black square tubes for structural and mechanical use. Although the profile does not provide production capacity or client references, the stated compliance with multiple international standards suggests that the company can meet the technical demands of global importers.
Black square steel tubes are widely used in construction, infrastructure, and structural engineering applications worldwide. Available in grades such as Q195, Q235, Q345, S235JRH, S275JOH, and S355JOH, these tubes meet international standards including ASTM A500, BS EN10219, EN10210, GB/T3094, GB6728, and JIS G3466. Exported globally as steel hollow sections, they are ideal for frames, scaffolding, fencing, and machinery manufacturing. Pricing varies by grade, wall thickness, and market conditions, offering strong value for importers and distributors seeking reliable structural steel at competitive rates.
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Sourcing Square Steel Tubes from Tianjin Anxintongda Steel Pipe Co., Ltd. - China Import Guide
Prior to ordering, request the mill test certificate and a dimensional verification report to confirm that the supplied grades and tolerances meet project requirements. Verify that the black coating or galvanised finish matches the intended service environment, and ensure that the supplier’s harbour‑tier status aligns with your risk‑management criteria.
Logistics are normally arranged on FOB Tianjin terms. Ask the supplier for an estimated lead‑time, which typically ranges from three to five weeks after order confirmation, and clarify packaging details such as palletisation or bundling. Accepted payment methods usually include a confirmed L/C or T/T following receipt of the quality documentation.
Schedule a third‑party inspection at the loading port to validate size, wall thickness and surface condition. Retain all inspection reports, certificates of compliance and shipping documents to facilitate customs clearance and downstream quality assurance. Maintaining this documentation chain helps protect against non‑conformities during import.
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30 suppliersBuy Square Steel Tubes in Bulk — Verified Supplier in China
When sourcing Square Steel Tubes for your business, securing the right balance of quality and cost is essential. Tianjin Anxintongda Steel Pipe Co., Ltd., a verified supplier based in China, offers this product with key specifications including S235JRH, S275JOH, S355JOH, STKR400, SS400; Q195, Q235, Q345; GRA GRB, Carbon steel with specified yield and tensile strength per applicable standard (e.g., S355JOH: ReH ≥ 355 MPa), and 20mm x 20mm to 500mm x 500mm; wall thickness 1.5mm to 25mm; length 6m, 12m or as requested. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $650950./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7306.61, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.
Square Steel Tubes Specifications, Trade Terms & Pricing
Importing Square Steel Tubes requires careful attention to shipping logistics, customs compliance, and secure payment terms. Tianjin Anxintongda Steel Pipe Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7306.61 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Tianjin Anxintongda Steel Pipe Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Square Steel Tubes has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Steel Pipes category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Square Steel Tubes — Shipping, Logistics & Customs
Importing Square Steel Tubes requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7306.61 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Square Steel Tubes
What is the wholesale price of Square Steel Tubes?
The current listed wholesale price for Square Steel Tubes from Tianjin Anxintongda Steel Pipe Co., Ltd. is $650950./Unit on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Tianjin Anxintongda Steel Pipe Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Square Steel Tubes?
The supplier, Tianjin Anxintongda Steel Pipe Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Square Steel Tubes. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Square Steel Tubes?
For international shipping and customs clearance, Square Steel Tubes is classified under HS Code 7306.61. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Square Steel Tubes from China?
To import Square Steel Tubes from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Tianjin Anxintongda Steel Pipe Co., Ltd.. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.
Is Tianjin Anxintongda Steel Pipe Co., Ltd. a verified supplier?
Yes, Tianjin Anxintongda Steel Pipe Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Square Steel Tubes?
The key specifications for Square Steel Tubes supplied by Tianjin Anxintongda Steel Pipe Co., Ltd. include S235JRH, S275JOH, S355JOH, STKR400, SS400; Q195, Q235, Q345; GRA GRB, Carbon steel with specified yield and tensile strength per applicable standard (e.g., S355JOH: ReH ≥ 355 MPa), and 20mm x 20mm to 500mm x 500mm; wall thickness 1.5mm to 25mm; length 6m, 12m or as requested. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Square Steel Tubes?
Tianjin Anxintongda Steel Pipe Co., Ltd. offers Square Steel Tubes with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Square Steel Tubes the most?
Square Steel Tubes is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Tianjin Anxintongda Steel Pipe Co., Ltd. through our platform.
What certifications does this Square Steel Tubes supplier hold?
Tianjin Anxintongda Steel Pipe Co., Ltd. maintains international quality certifications. These ensure that the Square Steel Tubes meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Square Steel Tubes on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Tianjin Anxintongda Steel Pipe Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Tianjin Anxintongda Steel Pipe Co., Ltd..
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