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Steel Tubes
Tianjin Tiptop Industrial Co., Ltd. offers carbon structural steel tubes made from S235, S355 or Q235 grades. The catalogue includes square sections from 10 × 10 mm up to 200 × 200 mm, rectangular sections from 10 × 20 mm to 150 × 300 mm and round tubes with outer diameters between 10 mm and 200 mm. Wall thickness ranges from 0.45 mm to 20 mm and standard lengths are supplied at 5.8 m, 6 m or 11.8 m in accordance with ASTM specifications.
The material grades listed - Q195, Q235 and Q345 - are typical for load‑bearing applications and provide yield strengths between 195 MPa and 345 MPa. Surface treatment is applied as an oil coating and the bundles are wrapped in waterproof cloth, a standard practice to protect against corrosion during storage and transit. In the steel industry, tolerances of ±0.2 mm on dimensions and ±0.1 mm on wall thickness are common for these profiles, which matches the precision offered by the supplier.
These tubes are widely used in construction frames, infrastructure projects, machinery bases and other structural fabrications. Buyers such as general contractors, equipment manufacturers and steel fabricators usually request a minimum order of five tonnes per size, and the supplier states a typical delivery lead time of 25 days. Packaging is in bundles, and purchasers should confirm the preferred Incoterm and payment schedule directly with the supplier before finalising the order.
| Material | Carbon Structural Steel (S235 / S355 / Q235 grade) |
| Grades Available | Q195, Q235, Q345 |
| Square Section Size | 10 × 10 mm - 200 × 200 mm |
| Rectangular Section Size | 10 × 20 mm - 150 × 300 mm |
| Round Section OD | 10 mm - 200 mm |
| Wall Thickness | 0.45 mm - 20 mm |
| Standard Lengths | 5.8 m, 6 m, 11.8 m (ASTM standard) |
| Surface Treatment | Oiled, wrapped in waterproof cloth |
| Packaging | Bundled in waterproof cloth, typical on wooden pallets |
| Standards | ASTM A53, BS1387, GB (standard for structural steel tubes) |
Tianjin Tiptop Industrial Co., Ltd. is registered in Tianjin, China (postal code 300074). The company is listed under the harbour trust tier and currently shows a response rate of 0.00, indicating that enquiries may require follow‑up. Their address is provided as Tianjin, China, confirming a domestic manufacturing base within the major industrial hub of the region.
The supplier specialises in supplying structural steel tubes with custom dimensions and finishes. Their catalogue explicitly mentions the ability to produce square, rectangular and round profiles to customer‑specified lengths, and they state that the products comply with ASTM, BS and GB standards. No additional claims about certifications, years in operation or client references are made in the listing.
These structural steel tubes are available in square, rectangular, and round profiles for versatile industrial applications. Square tubes range from 10x10mm to 200x200mm, rectangular from 10x20mm to 150x300mm, and round from 10mm to 200mm outer diameter, with wall thicknesses from 0.45mm to 20mm. Supplied in standard lengths of 5.8M, 6M, and 11.8M per ASTM standards. Commonly used in construction, infrastructure, machinery frames, and structural fabrication across global markets.
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Sourcing Steel Tubes from Tianjin Tiptop Industrial Co., Ltd. - China Import Guide
Before placing an order, verify the exact grade, dimensions and surface treatment required for your project. Request mill test certificates and, if necessary, a sample cut to confirm tolerances. Confirm that the supplier can meet any project‑specific standards such as ISO 9001 or local building codes.
Logistics for steel tubes from Tianjin usually involve sea freight from the port of Tianjin or nearby Shanghai. The listed lead time is 25 days, but buyers should confirm the final delivery schedule and agree on Incoterms such as FOB Tianjin or CIF to the destination port. Payment terms are typically negotiated on a T/T basis, but the exact arrangement should be documented before shipment.
Quality assurance commonly includes third‑party inspection at the factory and verification of the mill test certificate upon loading. Buyers may also request non‑destructive testing reports for weld integrity if the tubes are to be used in critical structures. Ensure all required documentation, including packing lists and customs invoices, are prepared in advance to avoid clearance delays.
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30 suppliersBuy Steel Tubes in Bulk — Supplier in China
When sourcing Steel Tubes for your business, securing the right balance of quality and cost is essential. Tianjin Tiptop Industrial Co., Ltd., a supplier based in China, offers this product with key specifications including Square, Rectangular, and Round Hollow Sections, Carbon Steel / Mild Steel (ASTM Grade), and 10mm x 10mm - 200mm x 200mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $750/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7306.30, making it a staple in the Steel Tubes sector with strong demand from importing countries worldwide.
Steel Tubes Specifications, Trade Terms & Pricing
Importing Steel Tubes requires careful attention to shipping logistics, customs compliance, and secure payment terms. Tianjin Tiptop Industrial 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 7306.30 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 Tiptop Industrial Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Steel Tubes for business registration and quality documents before ordering. 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 manufacturers and exporters across 200+ countries. Explore similar products in the Steel Tubes category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Steel Tubes — Shipping, Logistics & Customs
Importing 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 7306.30 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 Steel Tubes
What is the wholesale price of Steel Tubes?
The current listed wholesale price for Steel Tubes from Tianjin Tiptop Industrial Co., Ltd. is $750/Bags 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 Tiptop Industrial Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Steel Tubes?
The supplier, Tianjin Tiptop Industrial Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 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 Steel Tubes?
For international shipping and customs clearance, Steel Tubes is classified under HS Code 7306.30. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Steel Tubes from China?
To import Steel Tubes from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Tianjin Tiptop Industrial Co., Ltd.. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
How can I check Tianjin Tiptop Industrial Co., Ltd. before ordering?
Open the Tianjin Tiptop Industrial Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Steel Tubes?
The key specifications for Steel Tubes supplied by Tianjin Tiptop Industrial Co., Ltd. include Square, Rectangular, and Round Hollow Sections, Carbon Steel / Mild Steel (ASTM Grade), and 10mm x 10mm - 200mm x 200mm. 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 Steel Tubes?
Tianjin Tiptop Industrial Co., Ltd. offers 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 Steel Tubes the most?
Steel Tubes is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Tianjin Tiptop Industrial Co., Ltd. through our platform.
What certifications does this Steel Tubes supplier hold?
Tianjin Tiptop Industrial Co., Ltd. maintains international quality certifications. These ensure that the Steel Tubes meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Steel Tubes on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Tianjin Tiptop Industrial 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 Tiptop Industrial Co., Ltd..
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