Super Duplex 2507 (UNS S32750) represents the pinnacle of duplex stainless steel performance. 25% chromium, 7% nickel, and 4% molybdenum deliver PREN >42 — the threshold required for the most aggressi...
Super Duplex 2507 (UNS S32750) represents the pinnacle of duplex stainless steel performance. 25% chromium, 7% nickel, and 4% molybdenum deliver PREN >42 — the threshold required for the most aggressive chloride and offshore environments. Yield strength of 550 MPa minimum. Specified for deepwater offshore, FPSO equipment, subsea systems, and North Sea NORSOK applications.
| Property | Value |
|---|---|
| Grade | Super Duplex 2507 (S32750) |
| ASTM / ASME | ASTM A815 WP-S32750 |
| UNS Number | S32750 |
| Chromium (Cr) | 24–26% |
| Nickel (Ni) | 6.0–8.0% |
| Molybdenum (Mo) | 3.0–5.0% |
| Max/Min Service Temp | 280°C |
| Fitting Standard | ASME B16.9 / MSS SP-43 |
| Size Range | ½" NB to 48" NB |
| Certificate | EN 10204 3.1 MTC |
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