Import F51 Bars, Uns S31803 Pipes — Buy in wholesale FOB from Supplier in China
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F51 Bars, Uns S31803 Pipes
F51 Bars and UNS S31803 Pipes are duplex stainless steel products conforming to ASTM F51 and EN 10088-3 standards, with a composition of 22% chromium, 3% molybdenum, 5 - 6% nickel, and 0.14 - 0.20% nitrogen. These materials combine high mechanical strength with superior resistance to chloride stress corrosion cracking, making them suitable for aggressive environments. The supplier offers both bars and seamless pipes in standard dimensions.
The duplex microstructure consists of approximately equal parts austenite and ferrite, providing strength nearly double that of 316L stainless steel. Typical grain size is ASTM 8 - 10, and the material is solution annealed at 1020 - 1100°C followed by rapid cooling. Surface finish options include pickled, pickled and passivated, or mechanical polish. The supplier also lists availability of F53, F55, F60, and SAF 2205 grades, indicating capability in broader duplex alloy production.
These products are primarily used in oil and gas pipelines, chemical processing vessels, desalination plants, and marine components exposed to saltwater. Buyers include engineering contractors, OEMs in energy infrastructure, and fabrication shops requiring high-strength corrosion-resistant materials. Trade terms are flexible for international orders, with MOQs negotiable. Buyers should request material test reports (MTRs) for each heat lot.
| Material designation | UNS S31803 / ASTM F51 |
| Chemical composition (Cr) | 21.5 - 23.5% |
| Chemical composition (Mo) | 2.5 - 3.5% |
| Chemical composition (Ni) | 4.5 - 6.5% |
| Chemical composition (N) | 0.14 - 0.20% |
| Minimum tensile strength | 620 MPa (typical for ASTM F51) |
| Minimum yield strength | 450 MPa (typical for ASTM F51) |
| Elongation at break | 25% minimum (standard per ASTM A240) |
| Typical grain size | ASTM 8 - 10 (standard for solution-annealed duplex stainless steel) |
| Surface finish options | Pickled, pickled and passivated, mechanical polish (typical for seamless pipes and bars) |
Shangdun Special Materials Co.Ltd. is located in Shisheng Industrial Park, Jiangding District, Jiaxing, China. The supplier is classified as an imported-tier manufacturer with a harbor trust tier, indicating verified production capability. The listing confirms direct production of F51 bars and UNS S31803 seamless pipes, along with related duplex grades like F53 and SAF 2205.
No company history, certifications, or workforce details are disclosed. The supplier does not state years in operation, export volume, or client names. The product scope suggests specialization in duplex and super duplex stainless steels, but no third-party audits or quality system certifications (e.g., ISO 9001) are referenced. Buyers must rely on material test reports for verification.
This offering covers F51 duplex stainless steel bars and UNS S31803 seamless pipes and tubes, with complementary availability of F53, F55, F60, and SAF 2205 grades for broader project needs. Duplex stainless steel combines high strength with exceptional corrosion resistance, making these products ideal for oil and gas, chemical processing, desalination, and marine applications. Offered in standard dimensions with flexible MOQ for international trade.
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Sourcing F51 Bars, Uns S31803 Pipes from Shangdun Special Materials Co.Ltd. - China Import Guide
Before ordering, verify the material test reports (MTRs) for each heat lot, ensuring compliance with ASTM F51 and EN 10088-3. Confirm chemical composition ranges, mechanical properties, and ferrite content. Request certificates for non-destructive testing and heat treatment records. Do not accept generic mill certificates without heat-specific data.
Lead time for F51 bars and pipes is typically 30 - 45 days after order confirmation, depending on production scheduling. Incoterms are negotiable, but FOB Jiaxing or CIF destination are common. Payment terms are usually 30% advance, 70% against shipping documents. Buyers should confirm if the supplier accepts L/Cs and which banks are acceptable.
Upon arrival, inspect for surface defects, dimensional accuracy, and packaging integrity. Perform a positive material identification (PMI) test on random samples to verify alloy composition. Check for signs of intergranular corrosion or surface scaling. Retain samples for third-party lab testing if required. Documentation must include MTRs, packing lists, and origin certificates.
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30 suppliersBuy F51 Bars, Uns S31803 Pipe in Bulk — Verified Supplier in China
When sourcing F51 Bars, Uns S31803 Pipes for your business, securing the right balance of quality and cost is essential. Shangdun Special Materials Co.Ltd., a verified supplier based in China, offers this product with key specifications including F51 / UNS S31803 / S32205 / SAF 2205 Duplex Stainless Steel, 22-23% Cr, 4.5-6.5% Ni, 2.5-3.5% Mo, 0.14-0.20% N, max 0.03% C, balance Fe, and Bars: 10mm-300mm dia. round / square; Pipes: OD 6mm-610mm, WT 1mm-50mm, SCH 10-SCH 160. 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 7222.20, making it a staple in the Steel Bars sector with strong demand from importing countries worldwide.
F51 Bars, Uns S31803 Pipe Specifications, Trade Terms & Pricing
Importing F51 Bars, Uns S31803 Pipe requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shangdun Special Materials 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 7222.20 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 Shangdun Special Materials Co.Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this F51 Bars, Uns S31803 Pipe 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 Bars category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import F51 Bars, Uns S31803 Pipe — Shipping, Logistics & Customs
Importing F51 Bars, Uns S31803 Pipe 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 7222.20 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 F51 Bars, Uns S31803 Pipe
What is the wholesale price of F51 Bars, Uns S31803 Pipes?
The current listed wholesale price for F51 Bars, Uns S31803 Pipes from Shangdun Special Materials Co.Ltd. 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 Shangdun Special Materials Co.Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for F51 Bars, Uns S31803 Pipe?
The supplier, Shangdun Special Materials Co.Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for F51 Bars, Uns S31803 Pipe. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for F51 Bars, Uns S31803 Pipes?
For international shipping and customs clearance, F51 Bars, Uns S31803 Pipes is classified under HS Code 7222.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import F51 Bars, Uns S31803 Pipe from China?
To import F51 Bars, Uns S31803 Pipe from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shangdun Special Materials Co.Ltd.. Ensure you have the necessary import licenses for Steel Bars products in your destination country.
Is Shangdun Special Materials Co.Ltd. a verified supplier?
Yes, Shangdun Special Materials 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.
What are the key specifications of F51 Bars, Uns S31803 Pipes?
The key specifications for F51 Bars, Uns S31803 Pipes supplied by Shangdun Special Materials Co.Ltd. include F51 / UNS S31803 / S32205 / SAF 2205 Duplex Stainless Steel, 22-23% Cr, 4.5-6.5% Ni, 2.5-3.5% Mo, 0.14-0.20% N, max 0.03% C, balance Fe, and Bars: 10mm-300mm dia. round / square; Pipes: OD 6mm-610mm, WT 1mm-50mm, SCH 10-SCH 160. 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 F51 Bars, Uns S31803 Pipe?
Shangdun Special Materials Co.Ltd. offers F51 Bars, Uns S31803 Pipe with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import F51 Bars, Uns S31803 Pipe the most?
F51 Bars, Uns S31803 Pipe is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shangdun Special Materials Co.Ltd. through our platform.
What certifications does this F51 Bars, Uns S31803 Pipe supplier hold?
Shangdun Special Materials Co.Ltd. maintains international quality certifications. These ensure that the F51 Bars, Uns S31803 Pipe meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for F51 Bars, Uns S31803 Pipes on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shangdun Special Materials 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 Shangdun Special Materials Co.Ltd..
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