Import Black Steel Tube — Buy in Bulk from Supplier in China
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Black Steel Tube
Tianjin Baolai Steel Pipe Co., Ltd. supplies black steel tubes with a hot-rolled finish, designed for structural and mechanical applications. The tubes are manufactured in a range of outer diameters and wall thicknesses, with no fixed standard listed but typical dimensions aligning with ASTM A500 and EN 10219. The surface retains mill scale, offering a natural, uncoated appearance suitable for painting or welding.
The material is low-carbon steel, consistent with grades such as Q235 or S235JR, offering yield strengths around 235 MPa. The hot-rolled process improves dimensional consistency and internal stress relief compared to cold-drawn alternatives. These tubes are not annealed and are intended for applications where surface finish is secondary to structural performance, such as frames, supports, and non-pressurized conduits.
Buyers in construction, agricultural machinery, and light fabrication sectors commonly source these tubes for framework and chassis components. Trade terms include FOB Tianjin and CIF options, with packaging in steel-strapped bundles. Minimum order quantities are flexible but typically start at one container load. Buyers should request documentation confirming dimensional tolerances and material traceability.
| Material | Low-carbon steel, typical grades Q235 or S235JR |
| Finish | Hot-rolled, mill scale retained |
| Shape | Round tube (circular cross-section) |
| Outer Diameter Range | Typical range: 10 mm to 200 mm |
| Wall Thickness Range | Typical range: 1.0 mm to 8.0 mm |
| Tolerance on OD | Typical tolerance: ±0.2 mm for OD up to 50 mm, ±0.5 mm for OD over 100 mm per EN 10219 |
| Tolerance on Wall Thickness | Typical tolerance: ±10% of specified thickness |
| Length | Standard lengths: 5.8m, 6m; custom cuts available |
| End Condition | Plain ends, square cut |
| Typical Yield Strength | Typical minimum: 235 MPa for Q235 grade |
Tianjin Baolai Steel Pipe Co., Ltd. is based in Tianjin, China, with a registered address in Hexi District. The company is listed as an imported-tier supplier with no verified response rate or average reply time. The profile provides no details on production volume, workforce, or export history. No certifications, factory audits, or client references are disclosed in the listing.
The supplier is identified as a manufacturer of steel tubes but does not claim compliance with ASTM, EN, or ISO standards in the product description. Buyers should treat this as a direct producer with no public quality assurance documentation. All technical claims must be verified independently through material test reports and physical inspection before shipment.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Black Steel Tube from Tianjin Baolai Steel Pipe Co., Ltd. - China Import Guide
Verify the outer diameter, wall thickness, and material grade with the supplier before ordering. Request certified material test reports (MTRs) showing chemical composition and mechanical properties. Confirm whether the tubes are produced to ASTM A500, EN 10219, or another standard, as this affects structural design calculations. Do not assume compliance without documentation.
Confirm Incoterms (FOB Tianjin is typical), lead time (usually 30 - 50 days), and container loading details. Payment terms are often 30% advance, 70% against copy of bill of lading. Packaging is typically in steel-strapped bundles with moisture barrier paper. Request photos of loaded containers to confirm protection against corrosion during transit.
Conduct incoming inspection using a caliper for dimensions and a hardness tester for consistency. Check for surface defects such as scale flaking, cracks, or ovality. Retain samples for third-party lab testing if the tubes will be used in load-bearing structures. Ensure documentation includes commercial invoice, packing list, and material certificate. Retain records for traceability in case of future failure.
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30 suppliersBuy & Import Black Steel Tube — Wholesale Supply from China
Securing a reliable supply chain for Black Steel Tube is critical for maintaining your business operations. Tianjin Baolai Steel Pipe Co., Ltd., a verified supplier located in China, provides high-quality Black Steel Tube ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Products industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Black Steel Tube from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Tianjin Baolai Steel Pipe Co., Ltd.. This seamless communication is powered by EximNext, a premier global B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Tianjin Baolai Steel Pipe Co., Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Tianjin Baolai Steel Pipe Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Related category or discover new suppliers across the Products sector. Expand your sourcing capabilities through our trusted import export marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Black Steel Tube
When importing Black Steel Tube from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Black Steel Tube
How can I get the wholesale price for Black Steel Tube?
Click the "Request Quotation" button to contact Tianjin Baolai Steel Pipe Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Black Steel Tube in bulk from China?
Yes, Tianjin Baolai Steel Pipe Co., Ltd. provides Black Steel Tube for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Tianjin Baolai Steel Pipe Co., Ltd.. Contact the supplier to discuss the best logistics options for importing Black Steel Tube to your country.
How do I request a sample of Black Steel Tube?
Send a direct message to Tianjin Baolai Steel Pipe Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Tianjin Baolai Steel Pipe Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Black Steel Tube?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Tianjin Baolai Steel Pipe Co., Ltd..
Does Tianjin Baolai Steel Pipe Co., Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Tianjin Baolai Steel Pipe Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Products suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Related manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Tianjin Baolai Steel Pipe Co., Ltd. for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our global B2B marketplace.
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