Super Duplex S32760 — Sheet, Plate, Pipe & Tube, Fittings & Flanges
Also sold as UNS S32760 · W.Nr 1.4501 · F55 · Zeron 100 · SAF 32760
Super Duplex S32760 is a super duplex stainless steel with copper and tungsten, chosen for seawater firewater, injection and offshore piping. We supply it as sheet, plate, pipe & tube, fittings, flanges, with EN 10204 3.1 certificates, from Mumbai to India, the Gulf, South-East Asia, South America, Europe, the UK and the USA.
- UNS S32760
- W.Nr 1.4501
- PREN ≈ 41
- ρ 7.84 g/cm³
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
Super Duplex S32760 Specifications by Product (ASTM / ASME)
The material standard changes with the product form. This is the table buyers ask for most.
| Product | Material standard | Dimensions |
|---|---|---|
| Super Duplex S32760 sheet | ASTM A240 | ASTM A480 / B906 |
| Super Duplex S32760 plate | ASTM A240 | ASTM A480 / B906 / A20 |
| Super Duplex S32760 pipe & tube | ASTM A790 · ASTM A790 · A928 | ASME B36.19 / B36.10 |
| Super Duplex S32760 fittings | ASTM A815 WPS32760 · ASTM A182 F55 | ASME B16.9 · B16.11 |
| Super Duplex S32760 flanges | ASTM A182 F55 | ASME B16.5 · B16.47 |
Super Duplex S32760 Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 24.0 – 26.0 |
| Nickel | 6.0 – 8.0 |
| Molybdenum | 3.0 – 4.0 |
| Nitrogen | 0.20 – 0.30 |
| Copper | 0.50 – 1.00 |
| Tungsten | 0.50 – 1.00 |
| Carbon | 0.030 max |
| Manganese | 1.00 max |
| Silicon | 1.00 max |
| Iron | Balance |
Super Duplex S32760 Mechanical Properties
| Solution-annealed plate | Value |
|---|---|
| Tensile strength | 750 MPa · 109 ksi |
| Yield strength 0.2% | 550 MPa · 80 ksi |
| Elongation | 25% |
| Hardness | 270 HB max |
Density & Physical Properties
| Property | Value |
|---|---|
| Density | 7.84 g/cm³ |
| Melting range | 1350 – 1400 °C |
| Magnetic | Magnetic (ferritic phase) |
| PREN (approx.) | ≈ 41 |
Super Duplex S32760 Equivalent Grades
Values per ASTM A240 for UNS S32760. Confirm against the edition on your purchase order.
Super Duplex S32760 Corrosion Resistance — What Each Element Does
Guaranteed PREN of 40 or more for seawater systems.
Copper and tungsten add resistance to sulphuric acid and crevice corrosion.
Yield around 550 MPa.
Keep service below about 250 °C.
Super Duplex S32760 Applications
Super Duplex S32760 vs 2507, 2205 and 625
| Grade | PREN (approx.) | Pick it for |
|---|---|---|
| Duplex 2205 | ≈ 35 | Strength with chloride resistance at a stainless-steel budget |
| Super Duplex S32760 | ≈ 41 | Seawater firewater, injection and offshore piping |
| Super Duplex 2507 | ≈ 42 | Seawater and high-chloride service where strength also matters |
| Inconel 625 | ≈ 51 | Seawater, high strength and high temperature in one alloy |
Welding Super Duplex S32760
| Matching filler | ER2594 · Zeron 100X |
|---|---|
| Also used | Qualified procedures with ferrite and impact checks |
Super Duplex S32760 for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSuper Duplex S32760 — questions buyers ask
What is Super Duplex S32760?
Super Duplex S32760 is a super duplex stainless steel with copper and tungsten. It is chosen for seawater firewater, injection and offshore piping.
Which standards cover Super Duplex S32760 products?
Sheet: ASTM A240; Plate: ASTM A240; Pipe & Tube: ASTM A790 · ASTM A790 · A928; Fittings: ASTM A815 WPS32760 · ASTM A182 F55; Flanges: ASTM A182 F55. Always name the standard and edition on your order.
What is the UNS number of Super Duplex S32760?
UNS S32760, with the European material number W.Nr 1.4501.
What is the density of Super Duplex S32760?
7.84 g/cm³ — use it to calculate weights: plate kg = L(m) × W(m) × t(mm) × 7.84.
Super Duplex S32760 or Inconel 625?
Super Duplex S32760 suits seawater firewater, injection and offshore piping; Inconel 625 is the step up for seawater, high strength and high temperature in one alloy.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026