ASTM A790 (UNS S32205 / S31803) Stainless Steel Pipe
Top A790 (UNS S32205 / S31803) Stainless Steel Pipe Manufacturer in China
ASTM A790 (UNS S32205/S31803) stainless steel pipes offer high strength, excellent corrosion resistance, and durability. Ideal for marine, chemical, and oil industries, they are available in seamless and welded forms, meeting stringent ASTM standards. These pipes are perfect for applications requiring resistance to stress corrosion cracking and harsh environments. Custom sizes and finishes are available for diverse needs.
Discover high-quality A790 (UNS S32205 / S31803) Stainless Steel Pipe products here.
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Characteristics of A790 (UNS S32205 / S31803) Stainless Steel
- Corrosion Resistance: Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in harsh environments.
- High Strength: Combines high tensile and yield strength, making it suitable for demanding applications.
- Durability: Long-lasting performance under extreme conditions, including high pressure and temperature.
- Versatility: Widely used in marine, chemical, oil, and gas industries for diverse applications.
- Heat Resistance: Maintains mechanical properties and resists oxidation up to 300°C.
- Standard Compliance: Meets ASTM A790 specifications, ensuring consistent quality and reliability.
- Form Availability: Offered in seamless and welded forms to meet various project requirements.
- Customizability: Available in a range of sizes, thicknesses, and surface finishes for tailored solutions.
ASTM A790 (UNS S32205 / S31803) Stainless Steel Technical Specifications
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.030 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.020 |
| Silicon (Si) | ≤ 1.00 |
| Nickel (Ni) | 4.50 - 6.50 |
| Chromium (Cr) | 22.00 - 23.00 |
| Molybdenum (Mo) | 3.00 - 3.50 |
| Nitrogen (N) | 0.14 - 0.20 |
| Property | Value |
|---|---|
| Tensile Strength (min) | 800 MPa (116 ksi) |
| Yield Strength (min) | 550 MPa (80 ksi) |
| Elongation (min) | 25% |
| Hardness (max) | 293 HBW / 31 HRC |
| Property | Value |
|---|---|
| Density | 7.8 g/cm³ |
| Melting Point | 1350°C (2460°F) |
| Thermal Conductivity | ~19 W/m·K |
| Specific Heat Capacity | ~500 J/kg·K |
| Modulus of Elasticity | ~200 GPa |
- ASTM: A790
- UNS: S32205 / S31803
- EN / DIN: 1.4462
- JIS: SUS 329J3L
- BS: 318S13
- AFNOR: Z3CrNiMoN22-5-3
Common Applications of A790 (UNS S32205 / S31803) Stainless Steel
Oil & Gas
Power Generation
Chemical Processing
Pulp & Paper
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A790 (UNS S32205 / S31803) Stainless Steel Pipe Customization
Beyond standard stock, we provide comprehensive processing services to deliver products that meet your exact project requirements.
- Custom Dimensions: Outer diameter from 6mm to 203mm, lengths up to 25m or customized.
- Thickness Range: 0.5mm to 25mm, tailored to your specifications.
- Surface Finishing: Pickled, polished, bright annealed, or custom finishes available.
- Processing Services: Cutting, bending, welding, and heat treatment for precise customization.
Contact our technical team to discuss your custom fabrication needs.
Contact Us
Your project’s success relies on quality materials. We offer certified ASTM A790 (UNS S32205 / S31803) stainless steel pipes meeting strict standards, ensuring top performance and durability. With a vast inventory and advanced processing, we deliver tailored solutions, from standard stock to custom components. Partner with us for reliable products and unmatched support for your toughest projects.
Ready to start? Contact our team for a no-obligation quote and expert consultation. We’ll discuss your needs and provide customized solutions with competitive pricing and timely delivery. Simplify your procurement and bring your project to life with our premium materials. Send your inquiry today!
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