Import A790 Uns S31803 / Uns S32205 Duplex Steel Pipes — Buy in wholesale FOB from Supplier in India

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A790 UNS S31803 / UNS S32205 DUPLEX STEEL PIPES by Kalp Overseas
Harbor
A790 UNS S31803 / UNS S32205 DUPLEX STEEL PIPES - Image 1

A790 UNS S31803 / UNS S32205 DUPLEX STEEL PIPES

🕐Last updated: Aug 19, 2026
$5,200 - $6,800 / MT (Approx. Negotiable)/ Unit
Min. Order: 1 Unit
💱₹52,006,800.00/ Unit
Live rate: 1 USD = 1.00 INR
🔢HS Code7304.23
⚙️MaterialDuplex Stainless Steel UNS S32205 / UNS S31803 (22% Cr, 5% Ni, 3% Mo, N)
📁CategorySteel Pipes
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
Pay your way — T/T, L/C, or opt for Escrow for full protection. Your deal, your choice.
Buy & Import A790 UNS S31803 / UNS S32205 DUPLEX STEEL PIPES from Kalp Overseas - India Wholesale Supply

A790 UNS S31803 and UNS S32205 duplex steel pipes from Kalp Overseas are manufactured to ASTM A790 and A789 standards, delivering a two-phase microstructure that combines austenitic and ferritic stainless steel properties. The pipes contain 22% chromium, 5% nickel, 3% molybdenum, and nitrogen, providing exceptional resistance to chloride stress corrosion cracking, pitting, and crevice corrosion in harsh environments. Available in seamless and welded forms, these pipes are engineered for high-pressure applications where conventional austenitic steels fall short.

Duplex steel pipes are typically supplied in grades such as UNS S32205 (2205) and UNS S31803, with standard outer diameters ranging from 6.35 mm to 1219 mm and wall thicknesses from 0.5 mm to 50 mm. The material’s yield strength is typically 450 MPa or higher, nearly double that of standard 304 or 316 stainless steel, while maintaining good weldability and formability. Surface finishes include polished, pickled, or as-rolled, depending on application needs in industries like oil and gas, chemical processing, and desalination.

These pipes are sourced in metric ton quantities for global trade, with common lengths of 6 meters or as per buyer specifications. Importers often use them for offshore platforms, heat exchangers, and seawater systems where durability against chlorides and sulfides is critical. Buyers should confirm dimensional tolerances, testing requirements (such as hydrostatic or eddy current), and packaging preferences (bundled, wooden crates, or loose) to match their project specifications.

Technical Specifications for Kalp Overseas A790 UNS S31803 / UNS S32205 DUPLEX STEEL PIPES
Material GradeUNS S31803, UNS S32205
StandardASTM A790, ASTM A789
Chromium Content22%
Nickel Content5%
Molybdenum Content3%
Nitrogen AdditionPresent
Yield Strength450 MPa typical
FormSeamless and Welded
Outer Diameter Range6.35 mm to 1219 mm typical
Wall Thickness Range0.5 mm to 50 mm typical
Surface FinishPolished, Pickled, or As-Rolled
Common Length6 meters typical
About Kalp Overseas - Steel Pipes Supplier in India
🏭
Kalp Overseas
India Harbor
4.5(0)

Kalp Overseas is an imported-tier supplier based in Mumbai, Maharashtra, with its registered address at 12th Khetwadi Lane, Mumbai 400004. The company specializes in duplex and super duplex steel products, including pipes, tubes, plates, sheets, bars, and forged fittings, catering to industries like oil and gas, chemical processing, and offshore applications. Its product range covers standards such as ASME SA, ASTM A789, A928, and A790, with grades including UNS S32205, UNS S31803, and UNS S32750.

The supplier offers a broad portfolio of duplex steel products, including grades like UNS S32750 (2507) and UNS S32760, as well as forged fittings and flanges under A182 specifications. While the company’s trust tier is classified as harbor, its response rate and average response hours are currently listed as zero, indicating limited recent engagement. Buyers are advised to verify current stock availability, lead times, and testing certifications directly with Kalp Overseas before placing orders.

A790 UNS S32205 / UNS S31803 duplex steel pipes are manufactured to ASTM A790 and A789 specifications, offering superior corrosion resistance and high mechanical strength compared to conventional austenitic stainless steels. These duplex stainless steel pipes are widely used in oil and gas, chemical processing, desalination, and offshore applications where chloride stress corrosion is a concern. Available in seamless and welded forms, they are sourced globally for import/export trade in metric ton quantities.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response Time<4h
Response RateNew Supplier
Frequently Asked Questions About A790 UNS S31803 / UNS S32205 DUPLEX STEEL PIPES from Kalp Overseas
UNS S32205 contains 22% chromium, 5% nickel, 3% molybdenum, and nitrogen. Chromium enhances corrosion resistance, molybdenum improves resistance to pitting and crevice corrosion in chloride environments, and nitrogen stabilizes the austenitic phase while increasing strength.

Sourcing A790 UNS S31803 / UNS S32205 DUPLEX STEEL PIPES from Kalp Overseas - India Import Guide

Before ordering A790 duplex steel pipes from Kalp Overseas, verify the exact material grade (UNS S31803 or UNS S32205) and confirm that the pipes meet ASTM A790 or A789 standards. Request mill test certificates (MTC) to ensure compliance with chemical composition and mechanical properties, and check for additional certifications such as PED or NACE if required for your application. Inspect the supplier’s ability to provide custom lengths or surface finishes if your project demands non-standard specifications.

Logistics details such as lead time, shipping method (containerized or bulk), and Incoterms (e.g., FOB Mumbai or CFR destination port) must be clarified upfront. Duplex steel pipes are heavy and often shipped in 6-meter lengths, so confirm whether the supplier can handle cut-to-length requirements or special packaging for air or sea freight. Payment terms, such as TT (Telegraphic Transfer) or LC (Letter of Credit), should also be agreed upon to avoid delays in shipment.

Quality checks should include visual inspection for surface defects, dimensional verification against purchase orders, and non-destructive testing (NDT) such as ultrasonic or eddy current tests for internal or surface flaws. For critical applications, third-party inspection by agencies like SGS or Bureau Veritas can provide additional assurance. Ensure all documentation, including packing lists, commercial invoices, and certificates of origin, is complete and accurate to facilitate smooth customs clearance in your country.

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Kalp Overseas
India
Harbor
<4h
Response Time
0.00%
Response Rate
46/100
Trust Score
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0+
Products
4.5(0)
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Buy A790 Uns S31803 / Uns S32 in Bulk — Verified Supplier in India

When sourcing A790 Uns S31803 / Uns S32205 Duplex Steel Pipes for your business, securing the right balance of quality and cost is essential. Kalp Overseas, a verified supplier based in India, offers this product with key specifications including UNS S32205 / UNS S31803 Super Duplex Stainless Steel, 22-23% Chromium, 4-6% Nickel, 3-4% Molybdenum, 0.14-0.25% Nitrogen, balance Iron, and NPS 1/4" to 24" (OD 13.7mm to 610mm); Wall thickness SCH 10/40/80/XS/160 as required. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $5,2006,800./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7304.23, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.

A790 Uns S31803 / Uns S32 Specifications, Trade Terms & Pricing

Importing A790 Uns S31803 / Uns S32 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Kalp Overseas 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 7304.23 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.

About Kalp Overseas — Supplier in India

Finding trustworthy partners is the foundation of successful importing. The supplier of this A790 Uns S31803 / Uns S32 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 Pipes category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.

Import A790 Uns S31803 / Uns S32 — Shipping, Logistics & Customs

Importing A790 Uns S31803 / Uns S32 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 7304.23 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 A790 Uns S31803 / Uns S32

What is the wholesale price of A790 Uns S31803 / Uns S32205 Duplex Steel Pipes?

The current listed wholesale price for A790 Uns S31803 / Uns S32205 Duplex Steel Pipes from Kalp Overseas is $5,2006,800./Unit on FOB terms from India. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Kalp Overseas through EximNext.

What is the Minimum Order Quantity (MOQ) for A790 Uns S31803 / Uns S32?

The supplier, Kalp Overseas, has set a Minimum Order Quantity (MOQ) of 1 Unit for A790 Uns S31803 / Uns S32. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.

What is the HS Code for A790 Uns S31803 / Uns S32205 Duplex Steel Pipes?

For international shipping and customs clearance, A790 Uns S31803 / Uns S32205 Duplex Steel Pipes is classified under HS Code 7304.23. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.

How can I import A790 Uns S31803 / Uns S32 from India?

To import A790 Uns S31803 / Uns S32 from India, negotiate shipping terms (FOB, CIF, or EXW) directly with Kalp Overseas. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.

Is Kalp Overseas a verified supplier?

Yes, Kalp Overseas 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 A790 Uns S31803 / Uns S32205 Duplex Steel Pipes?

The key specifications for A790 Uns S31803 / Uns S32205 Duplex Steel Pipes supplied by Kalp Overseas include UNS S32205 / UNS S31803 Super Duplex Stainless Steel, 22-23% Chromium, 4-6% Nickel, 3-4% Molybdenum, 0.14-0.25% Nitrogen, balance Iron, and NPS 1/4" to 24" (OD 13.7mm to 610mm); Wall thickness SCH 10/40/80/XS/160 as required. 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 A790 Uns S31803 / Uns S32?

Kalp Overseas offers A790 Uns S31803 / Uns S32 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.

Which countries import A790 Uns S31803 / Uns S32 the most?

A790 Uns S31803 / Uns S32 is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Kalp Overseas through our platform.

What certifications does this A790 Uns S31803 / Uns S32 supplier hold?

Kalp Overseas maintains international quality certifications. These ensure that the A790 Uns S31803 / Uns S32 meets international quality, safety, and regulatory standards required for cross-border trade.

How do I place a bulk order for A790 Uns S31803 / Uns S32205 Duplex Steel Pipes on EximNext?

Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Kalp Overseas 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 Kalp Overseas.

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