2024-10-02T07:32:35
Duplex Stainless Steel UNS S32205 / S31803 / EN 1.4462 Stockist & Exporter
Sachin Steel Centre is a renowned stockist and exporter of Duplex Stainless Steel UNS S32205 / S31803 / EN 1.4462, offering high-quality material for diverse industrial applications. Our duplex stainless steel combines the benefits of both ferritic and austenitic stainless steels, providing excellent resistance to corrosion, high strength, and good weldability.
Material Description:
Duplex Stainless Steel UNS S32205 / S31803 / EN 1.4462 is known for its excellent mechanical properties and high corrosion resistance, particularly in chloride environments. It offers twice the strength of regular austenitic stainless steel and is commonly used in applications where high strength and resistance to pitting and crevice corrosion are critical.
- Form: Sheets, plates, pipes, bars, fittings, and flanges
- Industry Applications: Oil and gas, chemical processing, marine environments, paper and pulp, and structural components exposed to seawater.
Chemical Composition:
| Element | UNS S32205 / S31803 |
|---|---|
| Chromium (Cr) | 21.0 – 23.0% |
| Nickel (Ni) | 4.5 – 6.5% |
| Molybdenum (Mo) | 2.5 – 3.5% |
| Nitrogen (N) | 0.08 – 0.20% |
| Manganese (Mn) | ≤ 2.00% |
| Silicon (Si) | ≤ 1.00% |
| Carbon (C) | ≤ 0.03% |
| Phosphorus (P) | ≤ 0.030% |
| Sulfur (S) | ≤ 0.020% |
| Iron (Fe) | Balance |
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 – 880 MPa |
| Yield Strength (MPa) | ≥ 450 MPa |
| Elongation (%) | ≥ 25% |
| Hardness (Brinell) | ≤ 290 HB |
| Impact Toughness | High at both ambient and low temperatures |
Key Features of Duplex UNS S32205 / S31803:
- Superior Corrosion Resistance: Outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich environments.
- High Strength: Twice the yield strength of austenitic stainless steels like 304 and 316, offering better mechanical performance.
- Excellent Weldability: Suitable for various welding processes without the risk of grain boundary sensitization.
Why Choose Sachin Steel Centre?
- Global Export: We export Duplex UNS S32205 / S31803 to clients across industries worldwide.
- Certified Quality: All materials are tested and certified to international standards like ASTM and EN.
- Custom Sizes Available: We offer customization to meet the specific needs of our clients.
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