Super Duplex 2507
Super Duplex 2507 is a high-chromium, high-molybdenum, nitrogen-alloyed duplex stainless steel designed for very high resistance to chloride pitting, crevice corrosion and stress-corrosion cracking while retaining high mechanical strength.
Super Duplex 2507 Information
Super Duplex 2507 is a high-chromium, high-molybdenum, nitrogen-alloyed duplex stainless steel designed for very high resistance to chloride pitting, crevice corrosion and stress-corrosion cracking while retaining high mechanical strength.
Metallic winding and compatible ring components where service conditions are suitable.
| Material specification | ASTM A240 |
|---|---|
| Specified grade / UNS | 2507 S32750 |
Super Duplex 2507 Chemical Composition
ASTM A240 · Grade-specific requirements
| Element / requirement | Value |
|---|---|
| C % | ≤0.030 |
| Mn % | ≤1.20 |
| P % | ≤0.035 |
| S % | ≤0.020 |
| Si % | ≤0.80 |
| Cr % | 24.0–26.0 |
| Ni % | 6.0–8.0 |
| Mo % | 3.0–5.0 |
| N % | 0.24–0.32 |
| Cu % | ≤0.50 |
| Other elements | - |
Super Duplex 2507 Mechanical Properties
ASTM A240 · Grade-specific requirements
| Tensile min (MPa) | Yield min (MPa) | Elongation min (%) | Hardness max |
|---|---|---|---|
| 795 | 550 | 15 | ≤310 HBW |
ASTM A240 Grade Reference
2507 S32750
The chemical and mechanical tables on this page use the ASTM A240 requirements for this grade, including the product conditions listed in the standard overview.
Specify Super Duplex 2507 for your gasket
Share your gasket dimensions, service conditions and quantity for Super Duplex 2507 material options and pricing.