Import Seamless Stainless Steel U Bend Tube — Buy in wholesale FOB from Supplier in China
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Seamless Stainless Steel U Bend Tube
The item is a seamless stainless steel U‑bend tube offered by Ark Steel Tube in Taizhou, Zhejiang, China. It is produced from grades 304, 316 and 316L and meets ASTM A213 requirements for high‑pressure boiler and heat‑exchanger use. Outer diameters range from 12.7 mm to 76.2 mm and wall thicknesses from 1.2 mm to 3.0 mm, with lengths supplied either straight or in coils according to customer drawings. The tubes are shipped in waterproof wooden cases for global delivery.
Grades 304, 316 and 316L are common in petrochemical and power‑generation plants; 316L offers improved weldability and corrosion resistance in chloride environments. The cold‑drawn manufacturing process provides tight dimensional control, typically within ±0.05 mm tolerance on OD. Standard surface finishes include AP, BA and polished, while end treatments can be beveled or plain as required. Typical industry practice supplies the tubes in 6 m lengths before bending, allowing flexibility for custom coil configurations.
Importers use U‑bend tubes to minimise plant footprint and enhance heat‑transfer efficiency in closed‑loop systems. The supplier lists trade terms such as FOB, CIF and EXW, and packages the product in wooden crates with waterproof protection. As the listing does not state minimum order quantity, lead time or payment conditions, buyers should request those specifics from Ark Steel Tube before finalising the purchase.
| Material | Stainless Steel 304/316/316L |
| Grades | 304, 316, 316L |
| ASTM Standard | A213 |
| Outer Diameter (OD) | 12.7 mm - 76.2 mm |
| Wall Thickness (WT) | 1.2 mm - 3.0 mm |
| Typical Bend Radius | 2×OD (typical) |
| Typical Pressure Rating | up to 120 bar (typical) |
| Standard Length | 6 m (typical, before bending) |
| Surface Finish | AP, BA, Polished |
| End Treatment | Beveled, Plain |
Ark Steel Tube is located at E802, Xintai Square, Taizhou, Zhejiang, China. The company runs three production lines that manufacture seamless carbon, alloy and stainless steel tubes, including nickel‑alloy and duplex grades. Its trust tier is recorded as “harbor” and the platform shows a 0 % response rate, so buyers should confirm communication reliability during negotiations.
The firm adheres to ASTM standards such as A213 for seamless stainless steel tubing and offers a broad portfolio of grades. The current U‑bend tube listing does not provide minimum order quantity, lead time or payment terms, therefore these details must be obtained directly from Ark Steel Tube. The supplier has experience exporting to a broad selection of countries across Europe, the Americas and Asia.
Seamless stainless steel U-bend tubes are manufactured via cold drawn process for high-pressure boiler and heat exchanger applications. Available in grades 304, 316, and 316L with outer diameters from 12.7mm to 76.2mm and wall thicknesses of 1.2-3.0mm, these tubes meet ASTM A213 standards. Widely sourced by importers for chemical processing, petrochemical, power generation, and refinery projects, U-bend configurations minimize layout space while maximizing thermal efficiency in closed-loop systems.
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Sourcing Seamless Stainless Steel U Bend Tube from Ark Steel Tube - China Import Guide
Confirm that the U‑bend tube grade, outer diameter, wall thickness and bend radius comply with the design calculations for the intended boiler or heat‑exchanger system. Request the mill test report, chemical composition analysis and a dimensional inspection certificate for the specific size ordered. If the project requires a particular surface finish or end treatment, verify that the supplier can certify the finish to the required standard.
Clarify the Incoterm to be used; the listing mentions FOB, CIF and EXW, but the final term should be agreed in the sales contract. Ask for the production lead time, especially if custom coil lengths or special bend radii are needed, and confirm the shipping schedule. Discuss payment options such as T/T, L/C or escrow and ensure that the payment schedule aligns with production milestones.
Arrange for pre‑shipment inspection, including hydraulic pressure testing and eddy‑current examination, which the supplier lists as standard. Secure the inspection reports and, if possible, an independent quality audit. Verify that the wooden crates are sealed and that the waterproof packaging remains intact to prevent surface damage during transit.
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27 listingsTop Verified Suppliers for Seamless Stainless Steel U Bend Tube
30 suppliersBuy Seamless Stainless Steel in Bulk — Verified Supplier in China
When sourcing Seamless Stainless Steel U Bend Tube for your business, securing the right balance of quality and cost is essential. Ark Steel Tube, a verified supplier based in China, offers this product with key specifications including SS 304, 304L, 316, 316L (ASTM A213 / A269 standard), 3.0mm - 608mm, and 0.05mm - 120mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $3,8005,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7304.41, making it a staple in the Stainless Steel Pipes & Pipe Fittings sector with strong demand from importing countries worldwide.
Seamless Stainless Steel Specifications, Trade Terms & Pricing
Importing Seamless Stainless Steel requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ark Steel Tube 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 7304.41 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 Ark Steel Tube — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Seamless Stainless Steel 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 Stainless Steel Pipes & Pipe Fittings category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Seamless Stainless Steel — Shipping, Logistics & Customs
Importing Seamless Stainless Steel 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 7304.41 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 Seamless Stainless Steel
What is the wholesale price of Seamless Stainless Steel U Bend Tube?
The current listed wholesale price for Seamless Stainless Steel U Bend Tube from Ark Steel Tube is $3,8005,200./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 Ark Steel Tube through EximNext.
What is the Minimum Order Quantity (MOQ) for Seamless Stainless Steel?
The supplier, Ark Steel Tube, has set a Minimum Order Quantity (MOQ) of 1 Unit for Seamless Stainless Steel. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Seamless Stainless Steel U Bend Tube?
For international shipping and customs clearance, Seamless Stainless Steel U Bend Tube is classified under HS Code 7304.41. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Seamless Stainless Steel from China?
To import Seamless Stainless Steel from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ark Steel Tube. Ensure you have the necessary import licenses for Stainless Steel Pipes & Pipe Fittings products in your destination country.
Is Ark Steel Tube a verified supplier?
Yes, Ark Steel Tube 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 Seamless Stainless Steel U Bend Tube?
The key specifications for Seamless Stainless Steel U Bend Tube supplied by Ark Steel Tube include SS 304, 304L, 316, 316L (ASTM A213 / A269 standard), 3.0mm - 608mm, and 0.05mm - 120mm. 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 Seamless Stainless Steel?
Ark Steel Tube offers Seamless Stainless Steel with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Seamless Stainless Steel the most?
Seamless Stainless Steel is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ark Steel Tube through our platform.
What certifications does this Seamless Stainless Steel supplier hold?
Ark Steel Tube maintains international quality certifications. These ensure that the Seamless Stainless Steel meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Seamless Stainless Steel U Bend Tube on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ark Steel Tube 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 Ark Steel Tube.
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