ASTM A790 Duplex 2205 Pipe
Grade: S31803, S32205, S32750, S32760
Size: OD: 10.3- 762mm WT: 1.5- 60mm
Length: 5.8m, 6m, 11.8m, 12m or any other economic length
Schedules: 5s, 10s, 10, 20, 40s, 40, 60, 80s, 80
ASTM A790 Duplex 2205 Pipe Supplier | High-Performance Corrosion-Resistant Pipes
ASTM A790 Duplex 2205 Pipe - Premium Corrosion-Resistant Solution
Why Choose Our Duplex 2205 Pipes?
- Superior Strength
2x stronger than 316L stainless steel with excellent impact toughness
- Exceptional Corrosion Resistance
Outperforms 304/316 in chloride environments and acidic conditions
- Cost-Effective
Lower lifecycle costs than standard stainless steels
- Global Certification
ASTM A790, EN 10216-5, NACE MR0175 compliant
Technical Specifications: ASTM A790 Duplex 2205 Pipe
Chemical Composition (%)
| Element | Min | Max |
|---|---|---|
| Chromium (Cr) | 22.0 | 23.0 |
| Nickel (Ni) | 4.5 | 6.5 |
| Molybdenum (Mo) | 3.0 | 3.5 |
| Nitrogen (N) | 0.14 | 0.20 |
| Manganese (Mn) | - | 2.0 |
| Silicon (Si) | - | 1.0 |
| Carbon (C) | - | 0.03 |
| Phosphorus (P) | - | 0.03 |
| Sulfur (S) | - | 0.02 |
| Iron (Fe) | Balance |
PREN Value: ≥35 (Cr + 3.3Mo + 16N)
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥620 MPa |
| Yield Strength (0.2% offset) | ≥450 MPa |
| Elongation | ≥25% |
| Hardness (Rockwell C) | ≤32 HRC |
| Impact Toughness (Charpy V at -46°C) | ≥45J |
Note: Properties are for the solution annealed condition at room temperature
Available Dimensions
| Type | Size Range | Wall Thickness |
|---|---|---|
| Seamless Pipe | 1/2" to 24" | SCH 10S to SCH XXS |
| Welded Pipe | 1/2" to 48" | 0.5mm to 50mm |
| Length | Up to 12m (custom lengths available) | |
Industry Applications
- Oil & Gas: Subsea pipelines, risers, process piping
- Chemical Processing: Acid production, fertilizer plants
- Desalination: RO systems, brine handling
- Power Generation: FGD systems, condenser tubes
- Marine: Seawater systems, ballast piping
- Pulp & Paper: Bleach plants, digesters
Duplex 2205 vs Other Materials
| Material | Yield Strength | PREN | Cost Index | Best For |
|---|---|---|---|---|
| 2205 Duplex | 450 MPa | 35 | 1.5 | Chloride environments |
| 316L Austenitic | 170 MPa | 24 | 1.0 | Mild corrosive |
| 904L Super Austenitic | 220 MPa | 36 | 3.2 | Strong acids |
| 2507 Super Duplex | 550 MPa | 42 | 2.8 | Extreme conditions |
Easy Procurement Process
1. Request Quote
Get competitive pricing within 4 business hours
2. Technical Review
Our engineers verify your specifications
3. Order Confirmation
Receive certified mill test reports
4. Global Delivery
FOB or CIF terms are available worldwide
Engineering Considerations for Duplex 2205 Pipes
Fabrication Guidelines
When welding 2205 duplex pipes, maintain heat input between 0.5-2.5 kJ/mm. Use 2209 filler metal and purge with argon. Post-weld heat treatment is generally not required, but solution annealing at 1020-1100°C followed by rapid cooling is recommended for critical applications.
Corrosion Performance Data
Our ASTM A790 Duplex 2205 Pipe demonstrate excellent resistance in:
- Chloride solutions up to 60°C at all concentrations
- Sulfuric acid up to 20% at 20°C
- Acetic acid in all concentrations at the boiling point
- Seawater at velocities up to 5 m/s
Case Study: Offshore Platform Application
A North Sea operator replaced 316L piping with our 2205 duplex pipes in seawater cooling systems, achieving:
- Service life extension from 3 to 15+ years
- 35% weight reduction due to thinner walls
- Total cost savings of $2.8M over 10 years
Frequently Asked Questions
Q: What's the maximum operating temperature for 2205 duplex pipes?
A: Continuous service up to 300°C is recommended. Short-term exposure up to 550°C is possible but may affect corrosion resistance.
Q: How does 2205 compare to carbon steel for high-pressure applications?
A: 2205 offers 2-3x higher yield strength, allowing thinner walls and weight savings, while providing complete corrosion protection without additional coatings.
Q: Can you provide material traceability documentation?
A: Yes, all pipes include full EN 10204 3.1 certification with heat number traceability and complete mill test reports.
Q: What surface finishes are available?
A: Standard mill finish (2B), polished (up to #320 grit), pickled, or sandblasted surfaces can be supplied.
Ready to Specify or Purchase ASTM A790 Duplex 2205 Pipe?
Our metallurgy experts are available to assist with material selection and application engineering.
Mob: +86-13772502581
Email: judesteel@juqing.hk
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