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Square Tube
The product offered is a square steel tube, commonly known as a square hollow section, produced in carbon steel grades Q235 and Q345. The supplier lists wall thicknesses from 3 mm to 13 mm and cross‑section dimensions ranging from 200 mm × 200 mm up to 300 mm × 300 mm, with lengths between 5.8 m and 14 m. All pieces are fabricated by longitudinal electronic resistance welding or high‑frequency welding, and can be supplied with plain, cut, threaded or beveled ends.
Q235 corresponds to the international standard ASTM A36, while Q345 aligns with ASTM A572 Grade 50, giving the tube a reliable strength‑to‑weight ratio for structural use. Typical industry practice allows a dimensional tolerance of ±1 mm and a wall‑thickness tolerance of ±0.2 mm. Surface finishes include hot‑dip galvanising, 3PE coating, painting or oil coating, each conforming to the relevant coating standards such as ASTM A123 for galvanising.
These tubes are used in urban construction frames, machine structures, agricultural equipment, water and gas conduits, and low‑pressure fluid transport. The supplier ships from the Xingang port in Tianjin and can arrange FOB, CFR, CIF or EXW terms. Payment methods listed are L/C, D/A, D/P, T/P, Western Union, MoneyGram and T/T, with a typical delivery window of 10‑30 days after deposit receipt.
| Material | Carbon Steel (Q235 / Q345) |
| Standard Grade | Q235 conforms to ASTM A36 (typical) |
| Wall Thickness | 3 mm - 13 mm (as supplied) |
| Typical Wall Thickness Tolerance | ±0.2 mm (typical) |
| Cross‑Section Dimensions | 200 mm × 200 mm to 300 mm × 300 mm (as supplied) |
| Typical Dimensional Tolerance | ±1.0 mm (standard) |
| Length | 5.8 m - 14 m (as supplied) |
| Surface Treatment Options | Galvanised, 3PE, painting, oil coating (as supplied) |
| Typical Surface Coating Standard | Hot‑dip galvanising per ASTM A123 (typical) |
| End Preparation | Plain ends, cutting, threading, beveled, flange (as supplied) |
Cangzhou Weiheng Pipe Industry Co., Ltd is located in the Wuliyao Development Zone, Yanshan County, Cangzhou City, China, postal code 061300. The company is listed under the harbour trust tier, but its response rate and average response time are currently recorded as zero, indicating that buyers should confirm communication availability before proceeding.
The supplier specialises in square steel tubes, galvanised steel pipe and related carbon steel products, offering custom lengths, surface finishes and end treatments. Their catalogue mentions inspection by chemical composition, mechanical properties, hydrostatic testing and nondestructive testing, with certifications such as BV, IAF, SGS, COC and ISO available on request. No additional corporate history, employee numbers or client references are provided in the listing.
Square steel tubes, also known as square hollow sections (SHS), are welded structural steel products widely used in construction, machine frames, and agricultural equipment. Available in carbon steel and galvanized grades, these tubes offer excellent strength-to-weight ratio and can be cut, welded, and drilled to specification. They are a high-demand item in global steel trade, commonly sourced from China, Turkey, and India for distribution across industrial markets.
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Sourcing Square Tube from Cangzhou Weiheng Pipe Industry Co., Ltd - China Import Guide
Before placing an order, verify the steel grade certificates, surface‑coating standards and dimensional inspection reports. Request a recent mill test report and confirm that the wall‑thickness tolerance meets your engineering requirements. Clarify any special end‑preparation needs such as beveled or flanged ends.
Discuss the preferred incoterm and payment method with the supplier, and ensure that the loading port (Xingang, Tianjin) aligns with your freight forwarder’s schedule. Confirm the expected delivery window and ask whether the supplier can provide a shipping schedule that matches your project timeline.
Arrange for a third‑party inspection if required, focusing on chemical composition, mechanical properties and coating thickness. Ask the supplier for inspection certificates from BV, IAF, SGS or ISO agencies. Ensure that packing meets sea‑freight standards and that any additional documentation such as a certificate of origin is available for customs clearance.
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30 suppliersBuy Square Tube in Bulk — Supplier in China
When sourcing Square Tube for your business, securing the right balance of quality and cost is essential. Cangzhou Weiheng Pipe Industry Co., Ltd, a supplier based in China, offers this product with key specifications including Square Hollow Section (SHS) / Square Steel Tube, Q195, Q235, Q345 (Carbon Steel), and 20x20mm to 400x400mm, Wall Thickness 1.5mm - 16mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $620 – $850 / MT and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7306.61, making it a staple in the Steel Tubes sector with strong demand from importing countries worldwide.
Square Tube Specifications, Trade Terms & Pricing
Importing Square Tube requires careful attention to shipping logistics, customs compliance, and secure payment terms. Cangzhou Weiheng Pipe Industry 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Cangzhou Weiheng Pipe Industry Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Square Tube 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 import export marketplace. Start your sourcing journey today.
Import Square Tube — Shipping, Logistics & Customs
Importing Square Tube 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 Tube
What is the wholesale price of Square Tube?
The current listed wholesale price for Square Tube from Cangzhou Weiheng Pipe Industry Co., Ltd is $620 – $850 / MT 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 Cangzhou Weiheng Pipe Industry Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Square Tube?
The supplier, Cangzhou Weiheng Pipe Industry Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Square Tube. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Square Tube?
For international shipping and customs clearance, Square Tube 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 Tube from China?
To import Square Tube from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Cangzhou Weiheng Pipe Industry Co., Ltd. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
How can I check Cangzhou Weiheng Pipe Industry Co., Ltd before ordering?
Open the Cangzhou Weiheng Pipe Industry 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 Square Tube?
The key specifications for Square Tube supplied by Cangzhou Weiheng Pipe Industry Co., Ltd include Square Hollow Section (SHS) / Square Steel Tube, Q195, Q235, Q345 (Carbon Steel), and 20x20mm to 400x400mm, Wall Thickness 1.5mm - 16mm. 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 Tube?
Cangzhou Weiheng Pipe Industry Co., Ltd offers Square Tube with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Square Tube the most?
Square Tube is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Cangzhou Weiheng Pipe Industry Co., Ltd through our platform.
What certifications does this Square Tube supplier hold?
Cangzhou Weiheng Pipe Industry Co., Ltd maintains international quality certifications. These ensure that the Square Tube meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Square Tube on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Cangzhou Weiheng Pipe Industry 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 Cangzhou Weiheng Pipe Industry Co., Ltd.
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