Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

Known for its strength and versatility, this tube is fabricated using electric resistance welding (ERW) technology, ensuring a consistent and high-quality finish. Designed for both aesthetic and functional purposes, it is a preferred choice in construction, automotive, and manufacturing industries.
Key features include a robust construction that adheres to the Q345B grade, providing excellent tensile strength and ductility. Available in various dimensions, this tube can be customized to meet specific project requirements. With a smooth surface finish, it allows for easy handling and installation, making it a practical choice for builders and engineers alike.
Utilized in applications ranging from structural frameworks to furniture manufacturing, the ERW Q345B Square and Rectangular Tube is ideal for industries such as construction, automotive, and fabrication.
Our trade benefits include flexible minimum order quantities (MOQ) and competitive pricing tailored for bulk supply. The product complies with international standards like ISO and SGS, ensuring quality and reliability. We offer efficient shipping terms, including CIF and FOB, with secure packaging to protect your investment.
| HS Code | 7306.60 |
| Material | Low Alloy Structural Steel Q345B (GB/T 1591, equivalent to S355 / St52-3) |
| Grade/Type | Q345B (GB Standard, equivalent to S355JR / ASTM A572 Gr.50) |
| Purity/Composition | Carbon steel with Mn, Si, trace Cr-Ni-Cu, C ≤0.20%, Mn 1.00-1.60% |
| Size/Dimensions | Square: 20x20mm to 500x500mm; Rectangular: 30x20mm to 600x400mm; Wall thickness: 1.5mm to 20mm |
| Standard | GB/T 6728 (Cold-formed Steel Hollow Sections), ASTM A500 Equivalent |
| Application | Structural construction, building frameworks, scaffolding, machinery, bridges, storage systems |
| Packaging | Bundled with steel strips, plastic caps on ends, waterproof wrapping for export |
| Origin | China (Mainland) |
The ERW Q345B square and rectangular tube is a high-strength structural hollow section manufactured by electric resistance welding, conforming to GB/T 1591 standards. Widely used in construction frameworks, infrastructure projects, and mechanical manufacturing, it offers excellent load-bearing capacity and ease of fabrication. This product is a staple in international steel trade, frequently sourced by builders, fabricators, and trading companies seeking reliable structural components for large-scale projects.
| 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 |
ERW Q345B Square And Rectangular Tube is offered by Huludao City Steel Pipe Industrial Co., Ltd., a Supplier based in China, in wholesale quantities for importers, distributors, and trade buyers. Contact the supplier to request pricing, minimum order quantity, and shipping terms for your destination.
When importing ERW Q345B Square And Rect, confirm trade terms such as FOB or CIF, packaging, and any certification or documentation you need directly with the supplier before placing a bulk order.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers
When sourcing Erw Q345b Square And Rectangular Tube for your business, securing the right balance of quality and cost is essential. Huludao City Steel Pipe Industrial Co., Ltd., a verified supplier based in China, offers this product with key specifications including Q345B (GB Standard, equivalent to S355JR / ASTM A572 Gr.50), Carbon steel with Mn, Si, trace Cr-Ni-Cu, C ≤0.20%, Mn 1.00-1.60%, and Square: 20x20mm to 500x500mm; Rectangular: 30x20mm to 600x400mm; Wall thickness: 1.5mm to 20mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $505/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7306.60, making it a staple in the Steel Tubes sector with strong demand from importing countries worldwide.
Importing Erw Q345b Square And Rect requires careful attention to shipping logistics, customs compliance, and secure payment terms. Huludao City Steel Pipe 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 7306.60 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 B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Erw Q345b Square And Rect 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 Tubes category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Importing Erw Q345b Square And Rect 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 7306.60 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Erw Q345b Square And Rectangular Tube from Huludao City Steel Pipe Industrial Co., Ltd. is $505/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 Huludao City Steel Pipe Industrial Co., Ltd. through EximNext.
The supplier, Huludao City Steel Pipe Industrial Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Erw Q345b Square And Rect. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Erw Q345b Square And Rectangular Tube is classified under HS Code 7306.60. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Erw Q345b Square And Rect from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Huludao City Steel Pipe Industrial Co., Ltd.. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
Yes, Huludao City Steel Pipe Industrial 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.
The key specifications for Erw Q345b Square And Rectangular Tube supplied by Huludao City Steel Pipe Industrial Co., Ltd. include Q345B (GB Standard, equivalent to S355JR / ASTM A572 Gr.50), Carbon steel with Mn, Si, trace Cr-Ni-Cu, C ≤0.20%, Mn 1.00-1.60%, and Square: 20x20mm to 500x500mm; Rectangular: 30x20mm to 600x400mm; Wall thickness: 1.5mm to 20mm. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Huludao City Steel Pipe Industrial Co., Ltd. offers Erw Q345b Square And Rect with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Erw Q345b Square And Rect is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Huludao City Steel Pipe Industrial Co., Ltd. through our platform.
Huludao City Steel Pipe Industrial Co., Ltd. maintains international quality certifications. These ensure that the Erw Q345b Square And Rect meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Huludao City Steel Pipe Industrial Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
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 Huludao City Steel Pipe Industrial Co., Ltd..
Discover more products in Steel Tubes from verified suppliers worldwide.