Duplex 2205 Steel Pipes 2in, EN 10216-5, Extreme Pressure, Offshore Oil Rigs
Duplex 2205 Steel Pipes (2" Diameter) are engineered for extreme conditions in offshore oil and gas operations, chemical processing, and subsea systems. Compliant with EN 10216-5, these pipes combine the strength of austenitic and ferritic stainless steels, offering double the yield strength of standard 316L while maintaining exceptional resistance to stress corrosion cracking (SCC), pitting, and erosion. The 2205 grade, with high chromium (22–23%), molybdenum (3–3.5%), and nitrogen (0.14–0.2%) content, JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD withstands aggressive media like seawater, H₂S-containing fluids, and high-pressure hydrocarbons. The 2" diameter and optimized wall thickness ensure reliability in deepwater drilling, riser systems, and high-pressure flowlines.
2. Detailed Specifications
| Parameter |
Details |
| Material |
Duplex 2205 (UNS S32205 / EN 10216-5) |
| Element Composition |
Cr: 22–23%, Ni: 4.5–6.5%, Mo: 3–3.5%, N: 0.14–0.2%, Mn: ≤2%, Si: ≤1%, C: ≤0.03%, Fe: Balance |
| Dimensions |
Nominal Size: 2" (60.3mm OD), Wall Thickness: 5.54mm (Schedule 80), Tolerance: ±10% |
| Mechanical Properties |
Tensile Strength: ≥620 MPa
Yield Strength: ≥450 MPa
Elongation: ≥25%
Hardness: 290–330 HV |
| Certifications |
EN 10216-5, NACE MR0175/ISO 15156 (H₂S Service), PED 2014/68/EU, API 5LC, ISO 9001:2015 |
| Pressure Rating |
1,250 psi at 20°C (Hydrostatic Test: 150 bar) |
| Temperature Range |
-50°C to 300°C (continuous service) |
| Surface Treatment |
Shot-blasted exterior, pickled & passivated interior, optional 3LPE coating for subsea use |
| Applications |
Subsea pipelines, topside process piping, seawater injection systems, sour gas well casings |
3. Advantages of Importing Our Product
- Unmatched Durability: 2x higher yield strength than 316L, reducing wall thickness and weight for cost-efficient installations.
- Corrosion Resistance: Superior performance in H₂S, CO₂, and chloride-rich environments (PREN ≥34).
- Customization: Pre-cut, bevelled, or flanged ends; API threading and clad coatings available per project specs.
- Global Stock Availability: Ready-to-ship inventory in UAE, Norway, and Texas with 15-day lead time for bulk orders.
- Full Compliance: EN 10216-5 mill certificates, NACE-compliant PMI testing, and DNV-GL certification for offshore use.
4. Key Applications
- Offshore Oil & Gas: High-pressure flowlines, risers, and umbilicals in sour (H₂S) reservoirs and deepwater fields.
- Subsea Systems: Corrosion-resistant piping for seawater cooling, chemical injection, and hydraulic control lines.
- Petrochemical Plants: Handling acidic crude, chlorinated solvents, and high-temperature process fluids.
- Desalination Units: Brine recirculation pipelines resistant to saltwater pitting and crevice corrosion.
Designed to endure the harshest operational demands, EN 10216-5-certified Duplex 2205 steel pipes deliver unparalleled safety, longevity, and cost efficiency in offshore energy, marine engineering, and heavy industrial sectors.
Q1. What are your company's main products ?
A1: Our main products are stainless steel, carbon steel, galvanized steel, aluminium steel, ppgi steel products, including sheets, pipes, coils, strips, bars and channels.
Q2. What are the advantages of your company ?
A2: We guarantee that the quantity and specification of products are in full compliance with the standards of customer orders. We support any kinds of test. In addition, We also have more professional service and competitive price.
Q3. How do you control quality ?
A3: We provide Factory Test Report, also support Third Party Inspection.
Q4. How many coutries you already exported ?
A4: Exported to more than 50 countries mainly from Middle East, Russia, United States, Canada, Italy, Germany, Australia, Egypt, Chile, Mexico, Venezuela, Argentina, Kuwait, Saudi Arabia, UAE, Sri Lanka, Indonesia, Bangladesh, Turkey, India, etc.
Q5. Can you provide sample ? Do you support OEM ?
A5: Yes. Small samples in store can be provided for free. Customized samples will take about 2-3days.
Q6: What's your payment terms ?
A6: By T/T, L/C (30% deposit in advance, balance 70% before shipment), Western Union, Paypal, or Trade Online.
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