ASTM A790 UNS S31803 Duplex 2205 Stainless Steel Pipe For Offshore And Chemical Processing Applications
Price:
negotiable
MOQ:
500kgs
Delivery Time:
8 ~ 14 days
Brand:
JUDE STEEL
Product Description
ASTM A790 UNS S31803 Duplex 2205 Stainless Steel Pipe For Offshore And Chemical Processing Applications
ASTM A790 Pipe Dimensions:
OD: 6mm – 630mm (0.236" – 24")
Length:5.8m, 6m, 12m or Custom Length
Mechanical Properties
ASTM A790 Pipe Dimensions:
Material Grade:Duplex 2205 / UNS S31803(F51)
Standard:ASTM A790 / ASME SA790
OD: 6mm – 630mm (0.236" – 24")
WT:0.5mm – 40mm
Length:5.8m, 6m, 12m or Custom Length
Duplex 2205 Pipe Specifications
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| Item | Specification |
|---|---|
| Product Name | ASTM A790 UNS S31803 Duplex 2205 Stainless Steel Pipe |
| Material Grade | Duplex 2205 / UNS S31803 |
| Equivalent Grades | UNS S32205, EN 1.4462, DIN X2CrNiMoN22-5-3, F51 |
| Standard | ASTM A790 / ASME SA790 |
| Pipe Type | Seamless / Welded |
| Manufacturing Process | Hot Rolled, Cold Drawn, Cold Rolled |
| Outer Diameter (OD) | 6mm – 630mm (0.236" – 24") |
| Wall Thickness (WT) | 0.5mm – 40mm |
| Length | 5.8m, 6m, 12m or Custom Length |
| Schedule | SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160, XXS (Custom Available) |
| Surface Finish | Pickled, Annealed & Pickled, Polished, Bright Annealed |
| Heat Treatment | Solution Annealing |
| Heat Treatment Temperature | Approx. 1020–1100℃ followed by rapid cooling |
| Welding Method | TIG / MIG / SAW / EFW |
| Inspection Standard | ASTM A999 / EN 10204 3.1 |
| Testing | Hydrostatic Test, PMI Test, UT Test, Eddy Current Test |
| Certification | MTC EN10204 3.1 / 3.2 Available |
| Application | Offshore, Oil & Gas, Chemical Processing, Marine, Petrochemical, Desalination |
Product Description
ASTM A790 UNS S31803 Duplex 2205 Stainless Steel Pipe is a high-performance duplex stainless steel pipe combining the advantages of both austenitic and ferritic stainless steel structures. With excellent corrosion resistance, high mechanical strength, and superior resistance to chloride stress corrosion cracking, Duplex 2205 Stainless Steel Pipe is widely used in demanding environments such as offshore platforms, chemical processing plants, oil & gas systems, and marine engineering.
ASTM A790 UNS S31803 Duplex 2205 Stainless Steel Pipe is a high-performance duplex stainless steel pipe combining the advantages of both austenitic and ferritic stainless steel structures. With excellent corrosion resistance, high mechanical strength, and superior resistance to chloride stress corrosion cracking, Duplex 2205 Stainless Steel Pipe is widely used in demanding environments such as offshore platforms, chemical processing plants, oil & gas systems, and marine engineering.
Product Features
✅ Excellent Corrosion Resistance
✅ High Strength & Lightweight Design
✅ Excellent Performance in Harsh Environments
✅ Good Weldability and Fabrication Performance
Chemical Composition of
| Element | Composition |
|---|---|
| Carbon (C) | ≤0.030 |
| Silicon (Si) | ≤1.00 |
| Manganese (Mn) | ≤2.00 |
| Phosphorus (P) | ≤0.030 |
| Sulfur (S) | ≤0.020 |
| Chromium (Cr) | 21.0–23.0 |
| Nickel (Ni) | 4.5–6.5 |
| Molybdenum (Mo) | 2.5–3.5 |
| Nitrogen (N) | 0.08–0.20 |
Mechanical Properties
| Property | ASTM A790 UNS S31803 |
|---|---|
| Tensile Strength | ≥620 MPa |
| Yield Strength | ≥450 MPa |
| Elongation | ≥25% |
| Hardness | ≤290 HB |
Physical Properties
| Property | Value |
|---|---|
| Density | 7.80 g/cm³ |
| Melting Point | Approx. 1350–1400℃ |
| Modulus of Elasticity | 200 GPa |
| Thermal Conductivity | Approx. 19 W/m·K |
| Electrical Resistivity | Approx. 0.85 μΩ·m |
Applications
5. Water Treatment & Desalination
1. Offshore Oil & Gas Industry
2. Chemical Processing Industry
3. Marine Engineering
4. Petrochemical Industry
5. Water Treatment & Desalination
Duplex 2205 vs 316L Stainless Steel Pipe
| Property | Duplex 2205 | 316L |
|---|---|---|
| Structure | Austenitic + Ferritic | Austenitic |
| Yield Strength | ≥450 MPa | ≥170 MPa |
| Corrosion Resistance | Excellent | Good |
| Chloride Resistance | Superior | Moderate |
| Stress Corrosion Cracking Resistance | Excellent | Lower |
| Typical Use | Offshore, Chemical, Marine | General Industrial |
FAQ
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Company
JUDE STEEL MANUFACTURING CO., LTD
Location
Room 1804, Unit 1, Jinqiao International Building, Xixian New Area, Xi'an City, Shaanxi Province
Contact Person
Deng