Super Duplex 2507 flange manufacturer, Mumbai. UNS S32750 F53, PREN >=42, high yield 550 MPa. Sour gas & deepwater subsea spec. Quote in 30 min.
Super Duplex 2507 (UNS S32750) delivers extreme resistance to localized pitting and crevice corrosion with PREN ≥ 42, engineered for severe marine, subsea oilfield, and aggressive acid processing.
Governing specification limits per ASTM / ASME standards. Actual values provided on EN 10204 3.1 MTC.
| Element | Specification Limit / Composition |
|---|---|
| Chromium (Cr) | 24.0 - 26.0% |
| Molybdenum (Mo) | 3.0 - 5.0% |
| Nickel (Ni) | 6.0 - 8.0% |
| Nitrogen (N) | 0.24 - 0.32% |
| Property | Specification Limit |
|---|---|
| Yield Strength | 550 MPa (80 ksi) min |
| Tensile Strength | 795 MPa (116 ksi) min |
| Hardness | 310 HBW max |
| PREN | ≥ 42 |
| Service Temp | Class 150 | Class 300 | Class 600 | Class 900 |
|---|---|---|---|---|
| Ambient (-29 to 38°C) | 290 psi | 750 psi | 1500 psi | 2250 psi |
A: PREN (Pitting Resistance Equivalent Number = %Cr + 3.3%Mo + 16%N) quantifies resistance to localized pitting. A score ≥ 42 guarantees immunity to pitting in high-temperature seawater and chloride-saturated environments.
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