Import Uns S31603 316l Stainless Steel Pipe — Buy in wholesale FOB from Supplier in China
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UNS S31603 316L Stainless Steel Pipe
The UNS S31603 316L stainless steel pipe offered by Ark Steel Tube is a low‑carbon austenitic grade distinguished by its superior resistance to chloride‑induced pitting. It conforms to ASTM A240/A312 and is supplied in nominal pipe sizes from ½ inch up to 48 inch NPS, with wall thicknesses that follow standard schedules. The pipe can be manufactured as welded or seamless, and surface finishes range from mill finish to polished, depending on customer request. Chemical composition includes roughly 16‑18 % Cr, 10‑14 % Ni and 2‑3 % Mo, which together enhance its corrosion performance.
Typical tensile strength for 316L in the annealed condition is about 515 MPa, and its density is typical 8.0 g cm‑3. The alloy retains its corrosion resistance up to service temperatures of approximately 870 °C, a typical limit for austenitic stainless steels. Standard practice calls for a solution‑annealed condition to minimise carbide precipitation during welding, and buyers often request a passivation step to further improve surface resistance. In the pipe market, schedule 40 is the most common thickness selection for the size range offered, providing a balance of strength and flexibility.
Primary users are marine engineers, chemical‑process plant designers and food‑grade equipment manufacturers who require reliable welding performance. Importers should verify the exact NPS, schedule, surface finish and any heat‑treatment specifications with Ark Steel Tube before confirming the order. As the listing does not disclose incoterms, lead times or payment terms, these details must be negotiated directly with the supplier.
| Material | Stainless Steel 316L (UNS S31603), low‑carbon austenitic grade |
| Standard | ASTM A240 / ASTM A312 |
| Nominal pipe size | ½ inch - 48 inch NPS |
| Wall thickness | typical schedule 40 (standard) |
| Manufacturing method | welded (options include seamless) |
| Surface finish | mill finish, optional polished |
| Typical tensile strength | typical 515 MPa |
| Typical density | typical 8.0 g cm‑3 |
| Typical maximum service temperature | typical 870 °C |
| Typical corrosion resistance | typical excellent resistance to chloride environments |
Ark Steel Tube is situated at E802, Xintai Square, Taizhou, Zhejiang Province, China (318000). The company holds a harbour‑level trust tier, although its response rate is currently shown as 0 %, indicating limited recent communication activity.
The supplier manufactures a broad portfolio of steel tubes, including ferritic, martensitic, austenitic and duplex grades. Its catalogue lists 316/316L among many other stainless‑steel products, but the specific production capacity, lead times and pricing for the 316L pipe are not disclosed, so buyers should request these details directly.
UNS S31603 (316L) stainless steel pipe is a low-carbon austenitic grade offering superior corrosion resistance in chloride environments, making it ideal for marine, chemical processing, pharmaceutical and food-grade applications. This welded stainless steel tube meets ASTM A240/A312 standards and is available in sizes from 1/2 inch to 48 inches NPS. Widely sourced for offshore platforms, refinery piping systems and industrial process installations, 316L is the preferred choice when welding is involved due to its reduced carbide precipitation risk.
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Sourcing UNS S31603 316L Stainless Steel Pipe from Ark Steel Tube - China Import Guide
Before confirming an order, importers should verify the exact NPS, schedule, surface finish and any heat‑treatment requirements, and request a mill test report that confirms compliance with ASTM A240/A312. It is also advisable to ask whether the pipe is supplied seamless or welded, as this can affect downstream fabrication.
Logistics for Chinese steel pipe shipments often use FOB terms at a nearby port, but the specific incoterm, freight forwarder and estimated lead time are not provided in the listing. Buyers need to discuss these details with Ark Steel Tube, agree on the port of loading and settle payment methods such as T/T or LC before finalising the contract.
Quality control usually involves dimensional verification, visual inspection of surface finish and chemical analysis by spectrometry. Importers are encouraged to arrange third‑party inspection or obtain the supplier’s certification and test reports to ensure the 316L pipe meets the required mechanical and corrosion specifications.
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30 suppliersBuy Uns S31603 316l Stainless in Bulk — Verified Supplier in China
When sourcing Uns S31603 316l Stainless Steel Pipe 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 UNS S31603 / 316L, Austenitic Stainless Steel, Seamless Pipe, C ≤ 0.03%, Cr 16-18%, Ni 10-14%, Mo 2-3%, Fe balance, and NPS 1/2" to 24", Schedule 10S/40S/80S/160S, custom lengths (6m standard). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $20/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7306.40, making it a staple in the Stainless Steel Pipes & Pipe Fittings sector with strong demand from importing countries worldwide.
Uns S31603 316l Stainless Specifications, Trade Terms & Pricing
Importing Uns S31603 316l Stainless 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 7306.40 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 Ark Steel Tube — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Uns S31603 316l Stainless 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 online B2B marketplace. Start your sourcing journey today.
Import Uns S31603 316l Stainless — Shipping, Logistics & Customs
Importing Uns S31603 316l Stainless 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 7306.40 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 Uns S31603 316l Stainless
What is the wholesale price of Uns S31603 316l Stainless Steel Pipe?
The current listed wholesale price for Uns S31603 316l Stainless Steel Pipe from Ark Steel Tube is $20/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 Ark Steel Tube through EximNext.
What is the Minimum Order Quantity (MOQ) for Uns S31603 316l Stainless?
The supplier, Ark Steel Tube, has set a Minimum Order Quantity (MOQ) of 1 Bags for Uns S31603 316l Stainless. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Uns S31603 316l Stainless Steel Pipe?
For international shipping and customs clearance, Uns S31603 316l Stainless Steel Pipe is classified under HS Code 7306.40. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Uns S31603 316l Stainless from China?
To import Uns S31603 316l Stainless 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 Uns S31603 316l Stainless Steel Pipe?
The key specifications for Uns S31603 316l Stainless Steel Pipe supplied by Ark Steel Tube include UNS S31603 / 316L, Austenitic Stainless Steel, Seamless Pipe, C ≤ 0.03%, Cr 16-18%, Ni 10-14%, Mo 2-3%, Fe balance, and NPS 1/2" to 24", Schedule 10S/40S/80S/160S, custom lengths (6m standard). 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 Uns S31603 316l Stainless?
Ark Steel Tube offers Uns S31603 316l Stainless with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Uns S31603 316l Stainless the most?
Uns S31603 316l Stainless 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 Uns S31603 316l Stainless supplier hold?
Ark Steel Tube maintains international quality certifications. These ensure that the Uns S31603 316l Stainless meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Uns S31603 316l Stainless Steel Pipe 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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