2205 Duplex Stainless Steel Pipe
🔥 Stop risking catastrophic chloride pitting, stress corrosion cracking, or strict refinery project-site rejections due to unverified duplex alloy mill runs.
SXY Steel Group manufactures industrial-grade 2205 Duplex stainless steel pipes (available in heavy-wall seamless and precision welded configurations) engineered specifically for high-salinity marine environments, aggressive petrochemical refining, and severe chemical process systems. Fabricated with an exact 50:50 austenitic-ferritic microstructural balance, precise nitrogen enrichment, and zero-tolerance dimensional profiling, our premium 2205 piping guarantees unmatched yield strength and supreme localized corrosion resistance under the harshest mechanical field loads. Secure your prioritized container mill capacity today via our Guaranteed 2-Hour Rapid Quote service before raw material alloy indices fluctuate.
Tired of slow emails while your project bidding or engineering submittal deadline is closing in? Eliminate destination inspection anxieties and lock in verified material chemistry records right now.
PRODUCT DETAILS
📊 Duplex & Super Duplex Stainless Steel Three-Standard Cross Matrix
| American Standard (ASTM / UNS) | European Standard (EN / ISO) | Japanese Standard (JIS) | Chinese Standard (GB) | Core Material Performance Profile |
|---|---|---|---|---|
| ASTM A790 / A928 UNS S32205 / S31803 | EN 10217-7 1.4462 / X2CrNiMoN22-5-3 | JIS G3459 SUS32205 | GB/T 21833 022Cr22Ni5Mo3N | High-Yield Duplex Structure, Extreme Chloride Pitting Resistance, Sour Gas Processing & Desalination Arrays |
| ASTM A790 UNS S32750 (Super Duplex) | EN 10216-5 1.4410 | JIS G3459 SUS32750 | GB/T 21833 022Cr25Ni7Mo4WCuN | PREN > 40 Critical Applications, Deepsea Subsea Manifolds, Harsh Marine Oil & Gas Outfalls |
| ASTM A312 TP316 / 316L (Austenitic) | EN 10217-7 1.4401 / 1.4404 | JIS G3459 SUS316L | GB/T 14976 02Cr17Ni12Mo2 | Standard Coastal Marine Environments, General Petrochemical Infrastructure & Pulp/Paper Plants |
• Traceable EN 10204 3.1 Certification: Shipped with complete, authentic mill validation records certifying Intergranular Corrosion testing (ASTM A262 Practice E), hydrostatic pressure holding, and eddy current flaws. Full support for SGS, Lloyd’s Register, and Bureau Veritas third-party field witness audits.
• Financial Protection Architecture: SXY Steel Group completely eliminates global commercial transaction risk for procurement departments by conducting all major volume engineering contracts via 100% Irrevocable Letters of Credit (L/C) at sight.
• Seaworthy Heavy Structural Framing: Tubes are heavily cross-braced in industrial timber plywood crates or secured with reinforced steel strapping and pre-integrated heavy nylon lifting slings for lightning-fast port terminal crane discharging.
• Pre-Arranged Port Protection: SXY Steel Group pre-clears 14 to 21 days of complimentary container demurrage directly with global ocean lines to ensure your chemical project site timing remains completely unaffected by harbor customs bottlenecks.
| Category | Details |
|---|---|
| Product Name | 2205 Duplex Stainless Steel Pipe (UNS S32205/S31803) |
| Standard | Industrial Pipe: ASTM A790/A790M, EN 10216-5 Heat Exchanger Tube: ASTM A789/A789M Sanitary Tube: ASTM A270 (when applicable for hygienic service) |
| Size | Outer Diameter Range: 9.5~2000mm Thickness Range: 0.5~20mm (Size can be customized.) Length: Up to 18.3 meters per piece. |
| Shape Section | Round, square, rectangular |
| Usage | Industrial Pipe: Chemical & petrochemical processing, oil & gas (especially offshore), pulp & paper, seawater systems. Heat Exchanger Tube: Condensers, coolers, heat exchangers in chloride-containing environments. Mechanical Tube: Structural components in corrosive environments requiring high strength. |
Features:
1.Our stainless steel tubes pipes are treated by bright annealing, inside weld bead removing, precise polishing. The roughness of tubes could be under 0.3μm.
2.We have the non destructive testing ( NDT ), eg. online eddy current inspection and hydraulic or airtightness testing.
3. Thick welding, good appearance.The mechanical properties of tube could be tested.
4. The raw material is from Taigang, Baogang, Zhangpu and so on.
5. And Our tubes are certificated by AD 2000-W0, PED 2014/68/EU, ISO 9001 : 2015.
6. Full material traceability is guaranteed during the manufacturing process.
7. Polished tube is supplied in individual plastic sleeves with capped ends ensuring optimum cleanliness.
8. Internal Bore: Tubes have a smooth, clean and crevice free bore.

Packing and shipping
Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.

Application Areas
Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments.

Factory workshop
With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.

🔬 Free Project Bill of Materials (BOM) Nesting Calculation & Linear Allocation Analysis
Submitting critical engineering layouts for offshore platforms, refinery heat exchangers, chemical storage terminal links, or complex marine pipelines? Paste your raw engineering files, spool drawings, or detailed Bill of Materials (BOM) sheets into the form below. The industrial engineering group at SXY Steel Group will perform a professional programmatic nesting computation to optimize cut tolerances, minimize expensive scrap generation, and protect your project procurement capital.











