Import Duplex Stainless Steel (Uns No S31803 / S32205) — Buy in wholesale FOB from Supplier in India
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Duplex Stainless Steel (uns No S31803 / S32205)
Duplex Stainless Steel UNS S31803 and S32205 from Pdr Exports is a two-phase alloy with approximately 22% chromium, 5% nickel, and 3% molybdenum in a balanced iron matrix. The material is supplied as seamless pipes in sizes from 1/4 inch to 12 inch, with wall thicknesses conforming to Schedule 10S, 40S, 80S, 100, 120, 160, and XXS. Welded pipes are available up to 30 inch outer diameter, meeting ASTM A790 standards for seamless and welded ferritic-austenitic stainless steel pipe.
The microstructure consists of roughly equal parts austenite and ferrite, delivering a yield strength nearly double that of standard 316L stainless steel while maintaining good ductility and toughness. This dual-phase composition provides enhanced resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion compared to conventional austenitic grades. Typical industry practice requires material to be solution annealed and water quenched after forming to preserve phase balance and corrosion performance.
This grade is commonly specified for offshore oil and gas pipelines, desalination plants, chemical processing vessels, and heat exchangers in marine environments. Buyers include engineering contractors in the Middle East, Southeast Asia, and Europe who require materials that reduce maintenance frequency in high-chloride conditions. Trade terms are typically FOB or CIF from Indian ports, with packaging in wooden crates or steel strapping. Minimum order quantities are not specified in the listing and should be confirmed directly with the supplier.
| Material Standard | ASTM A790 / ASME SA790 |
| UNS Number | S31803 / S32205 |
| Chromium Content | 21.5% - 23.5% |
| Nickel Content | 4.5% - 6.5% |
| Molybdenum Content | 2.5% - 3.5% |
| Pipe Outer Diameter | 1/4 inch to 30 inch (seamless up to 12 inch, welded up to 30 inch) |
| Wall Thickness | Schedule 10S to XXS (typical range for industrial piping) |
| Heat Treatment | Solution annealed at 1020°C - 1100°C, followed by rapid quenching (standard practice) |
| Tensile Strength | 620 MPa minimum (typical for duplex grades per ASTM A790) |
| Yield Strength | 450 MPa minimum (typical for duplex grades per ASTM A790) |
Pdr Exports operates from Trivandrum, Kerala, India, with a physical address listed in the harbor zone of Pattom. The supplier is verified as a harbor-tier entity, indicating active participation in export documentation and customs clearance. There is no public information on years in business, production capacity, or client list. Response rate and average response time are not recorded, suggesting limited or no digital engagement on the platform.
The listing confirms the supplier handles Duplex Stainless Steel pipe exports but does not state whether it manufactures the material or sources it from third-party mills. No certifications such as ISO, EN, or material test reports are referenced in the data. Buyers should request mill certificates and chemical analysis reports directly before placing orders. The supplier's operational focus appears to be on export logistics rather than technical support or custom fabrication.
Duplex Stainless Steel pipes in UNS S31803 and S32205 grades offer superior strength and corrosion resistance, with a dual-phase microstructure of austenite and ferrite that outperforms standard austenitic grades. These pipes are widely used in offshore oil and gas, chemical processing, desalination, and power generation applications where chloride stress cracking is a concern. Available in ASTM A790 standard dimensions, they are a preferred import for infrastructure and industrial plant projects across global markets.
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Sourcing Duplex Stainless Steel (UNS No S31803 / S32205) from Pdr Exports - India Import Guide
Before placing an order, verify the material test report (MTR) for chemical composition and mechanical properties against ASTM A790. Confirm the heat number matches the batch and that ferrite content falls between 30% and 70%. Request a copy of the supplier’s quality control procedure and ensure it references ISO 9001 or equivalent. Do not accept shipments without documented traceability from mill to delivery.
Lead time is not specified and may vary based on mill availability and port congestion. Confirm Incoterms - FOB or CIF - and clarify whether the supplier handles export customs clearance. Payment terms are not listed; standard practice is 30% advance and 70% against copy of shipping documents. Ensure the supplier provides export documentation compliant with Indian DGFT regulations and the destination country’s import codes.
Upon receipt, conduct visual inspection for surface defects, dimensional checks against schedule tolerances, and non-destructive testing such as eddy current or ultrasonic inspection for wall thickness consistency. Request a sample for laboratory analysis if the application involves high-pressure or corrosive media. Retain all packaging and documentation for at least six months to support warranty claims or regulatory audits.
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30 suppliersBuy Duplex Stainless Steel (U in Bulk — Verified Supplier in India
When sourcing Duplex Stainless Steel (Uns No S31803 / S32205) for your business, securing the right balance of quality and cost is essential. Pdr Exports, a verified supplier based in India, offers this product with key specifications including UNS S31803 / S32205 (Type 2205 Duplex), 22-23% Cr, 3-5.5% Mo, 4.5-6.5% Ni, 0.14-0.20% N, balance Fe (Dual-phase ferritic-austenitic microstructure), and NPS 1/2" to 24"; Wall Thickness: SCH 5S to XXS; OD 21.3mm to 610mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $4,8006,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7304.11, making it a staple in the Stainless Steel Pipes & Pipe Fittings sector with strong demand from importing countries worldwide.
Duplex Stainless Steel (U Specifications, Trade Terms & Pricing
Importing Duplex Stainless Steel (U requires careful attention to shipping logistics, customs compliance, and secure payment terms. Pdr Exports 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 7304.11 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 Pdr Exports — Supplier in India
Finding trustworthy partners is the foundation of successful importing. The supplier of this Duplex Stainless Steel (U 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 global B2B marketplace. Start your sourcing journey today.
Import Duplex Stainless Steel (U — Shipping, Logistics & Customs
Importing Duplex Stainless Steel (U 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 7304.11 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 Duplex Stainless Steel (U
What is the wholesale price of Duplex Stainless Steel (Uns No S31803 / S32205)?
The current listed wholesale price for Duplex Stainless Steel (Uns No S31803 / S32205) from Pdr Exports is $4,8006,200./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 Pdr Exports through EximNext.
What is the Minimum Order Quantity (MOQ) for Duplex Stainless Steel (U?
The supplier, Pdr Exports, has set a Minimum Order Quantity (MOQ) of 1 Unit for Duplex Stainless Steel (U. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Duplex Stainless Steel (Uns No S31803 / S32205)?
For international shipping and customs clearance, Duplex Stainless Steel (Uns No S31803 / S32205) is classified under HS Code 7304.11. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Duplex Stainless Steel (U from India?
To import Duplex Stainless Steel (U from India, negotiate shipping terms (FOB, CIF, or EXW) directly with Pdr Exports. Ensure you have the necessary import licenses for Stainless Steel Pipes & Pipe Fittings products in your destination country.
Is Pdr Exports a verified supplier?
Yes, Pdr Exports 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 Duplex Stainless Steel (Uns No S31803 / S32205)?
The key specifications for Duplex Stainless Steel (Uns No S31803 / S32205) supplied by Pdr Exports include UNS S31803 / S32205 (Type 2205 Duplex), 22-23% Cr, 3-5.5% Mo, 4.5-6.5% Ni, 0.14-0.20% N, balance Fe (Dual-phase ferritic-austenitic microstructure), and NPS 1/2" to 24"; Wall Thickness: SCH 5S to XXS; OD 21.3mm to 610mm. 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 Duplex Stainless Steel (U?
Pdr Exports offers Duplex Stainless Steel (U with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Duplex Stainless Steel (U the most?
Duplex Stainless Steel (U is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Pdr Exports through our platform.
What certifications does this Duplex Stainless Steel (U supplier hold?
Pdr Exports maintains international quality certifications. These ensure that the Duplex Stainless Steel (U meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Duplex Stainless Steel (Uns No S31803 / S32205) on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Pdr Exports 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 Pdr Exports.
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