15-5PH / X5CrNiCuNb15-5 vs Super Duplex 2507: 51% composition overlap. Moderate differences, generally not direct substitutes.
15-5PH / X5CrNiCuNb15-5 vs Super Duplex 2507
Side-by-side chemical composition and mechanical property comparison.
Overview
15-5PH / X5CrNiCuNb15-5
1.4545
Martensitic precipitation-hardening stainless steel. Similar to 17-4PH but with better transverse ductility and toughness due to lower delta ferrite. Used for aerospace structural components, nuclear reactor parts, food processing equipment, and high-performance fasteners.
Super Duplex 2507
1.4410
Super duplex stainless steel with PREN >40. Superior corrosion resistance to standard 2205 duplex, especially in chloride and H₂S environments. Used for subsea pipelines, offshore platform components, desalination plants, and chemical processing equipment.
| 15-5PH / X5CrNiCuNb15-5 | Super Duplex 2507 | |
|---|---|---|
| Material Number | 1.4545 | 1.4410 |
| Category | Stainless Steel | Stainless Steel |
| Standard | AMS 5659 | EN 10088-2 |
Chemical composition (wt%)
| Element | 15-5PH / X5CrNiCuNb15-5 | Super Duplex 2507 | Overlap |
|---|---|---|---|
| C | 0–0.07% | 0–0.03% | OK |
| Si | 0–1% | 0–0.8% | OK |
| Mn | 0–1% | 0–1.2% | OK |
| P | 0–0.03% | 0–0.035% | OK |
Mechanical properties
| Property | 15-5PH / X5CrNiCuNb15-5 | Super Duplex 2507 | Unit |
|---|---|---|---|
| tensile_strength | ≥ 1310 | 730–930 | MPa |
| yield_strength | ≥ 1170 | ≥ 530 | MPa |
| elongation | ≥ 10 | ≥ 20 | % |
Compatibility Assessment
15-5PH / X5CrNiCuNb15-5 and Super Duplex 2507 have moderate differences (51% overlap). They are generally not direct substitutes. Consider the specific requirements of your application.
Automated assessment based on composition analysis
Frequently Asked Questions
Is 15-5PH / X5CrNiCuNb15-5 the same as Super Duplex 2507?
15-5PH / X5CrNiCuNb15-5 and Super Duplex 2507 have a 51% composition overlap. They are generally not directly interchangeable.
Can I replace 15-5PH / X5CrNiCuNb15-5 with Super Duplex 2507?
Generally not recommended. The compositions differ significantly (51% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between 15-5PH / X5CrNiCuNb15-5 and Super Duplex 2507?
The main differences are in the following elements: Cr, Ni. 15-5PH / X5CrNiCuNb15-5 is a Stainless Steel grade, while Super Duplex 2507 is a Stainless Steel grade.
Related Comparisons
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Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.