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Super Duplex 2507 (S32750) | Product Overview
Introduction To Super Duplex Stainless Steel 2507
Super Duplex Stainless Steel 2507 (S32750) is a premium duplex stainless steel grade with exceptional corrosion resistance and high mechanical strength. Featuring high levels of chromium (25%), molybdenum (4%), and nitrogen, this alloy offers unmatched resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich and aggressive environments.
Moksh Tubes & Fittings LLP is a trusted supplier, exporter, importer, and stockist of Super Duplex Stainless Steel 2507 (UNS S32750 / ASTM A182 F53). We offer Pipes & Tubes, Sheets, Plates, Coils, Bars, Pipe Fittings, Flanges, Fasteners, Welding Rods, Wire Mesh, and custom-fabricated components.
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Duplex Stainless Steel S31803 Specifications
| Category | Details |
|---|---|
| Grade | Duplex S31803 / UNS S31803 / 2205 / EN 1.4462 |
| Type | Duplex Stainless Steel (Austenitic–Ferritic) |
| Typical Chemical Composition | 22% Cr, 5–6% Ni, 3% Mo, 0.14–0.20% N |
| Conditions | Annealed, Solution Annealed, Hot Rolled, Cold Worked |
| Heat Treatment | Solution Annealing |
| Testing | Tensile, Hardness, Microstructure, PMI, UT, IGC |
| Certification | EN 10204 3.1 / 3.2 |
Chemical Composition of Super Duplex 2507
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 24.0 – 26.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Molybdenum (Mo) | 3.0 – 5.0 |
| Nitrogen (N) | 0.24 – 0.32 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.020 |
| Carbon (C) | ≤ 0.030 |
| Iron (Fe) | Balance |
PREN ≥ 40 → Confirms Super Duplex category with excellent seawater resistance.
Mechanical Properties of Duplex Stainless Steel S31803
| Property | Metric | Imperial |
|---|---|---|
| Tensile Strength | 750–850 MPa | 108,700–123,300 psi |
| Yield Strength (0.2%) | 550–650 MPa | 79,800–94,300 psi |
| Elongation | ≥ 25% | ≥ 25% |
| Hardness | ≤ 92 HRB | ≤ 92 HRB |
| Impact Toughness | Excellent | Excellent |
| PREN | ≥ 40 | ≥ 40 |
Uses and Advantages
Highest corrosion resistance among duplex stainless steels
Exceptional resistance to pitting and crevice corrosion, even in seawater and acidic environments
Excellent resistance to chloride stress corrosion cracking
High mechanical strength (twice that of austenitic stainless steels)
Long service life in the most aggressive environments
Good weldability and formability
Applications of Super Duplex Stainless Steel 2507 (S32750)
Chemical Processing
Oil & Gas
Marine
Pharmaceutical
Heat Exchangers
Power Plants
WHY CHOOSE US?
FAQ – Super Duplex Stainless Steel 2507
What is Super Duplex 2507?
A premium super duplex stainless steel offering exceptionally high strength and outstanding chloride corrosion resistance.
What makes 2507 highly corrosion resistant?
High chromium–molybdenum–nitrogen (Cr–Mo–N) content and PREN ≥ 40.
Where is 2507 commonly used?
Offshore oil & gas, chemical plants, desalination, marine engineering & high-pressure systems.
Is Super Duplex 2507 weldable?
Yes, but requires strict heat input control to maintain correct phase balance.
What services do you offer?
Reliable supply, custom fabrication, technical support & global export.
Contact Us
For inquiries, pricing, or customized Super Duplex Stainless Steel 2507 solutions, Moksh Tubes & Fittings LLP is your reliable partner in Super Duplex Stainless Steel 2507.
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