316L vs Super Duplex 2507: 42% composition overlap. Significantly different materials serving different application areas.
316L vs Super Duplex 2507
Side-by-side chemical composition and mechanical property comparison.
Overview
316L
1.4404
Low-carbon austenitic stainless steel with molybdenum addition. Superior corrosion resistance to 304, especially against chlorides and pitting. Standard choice for chemical processing, marine, medical implants, and pharmaceutical equipment.
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.
| 316L | Super Duplex 2507 | |
|---|---|---|
| Material Number | 1.4404 | 1.4410 |
| Category | Stainless Steel | Stainless Steel |
| Standard | EN 10088-2 | EN 10088-2 |
Chemical composition (wt%)
| Element | 316L | Super Duplex 2507 | Overlap |
|---|---|---|---|
| C | 0–0.03% | 0–0.03% | OK |
| Si | 0–1% | 0–0.8% | OK |
| Mn | 0–2% | 0–1.2% | OK |
| P | 0–0.045% | 0–0.035% | OK |
Mechanical properties
| Property | 316L | Super Duplex 2507 | Unit |
|---|---|---|---|
| tensile_strength | 520–680 | 730–930 | MPa |
| yield_strength | ≥ 220 | ≥ 530 | MPa |
| elongation | ≥ 40 | ≥ 20 | % |
Compatibility Assessment
316L and Super Duplex 2507 have significantly different compositions (42% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is 316L the same as Super Duplex 2507?
316L and Super Duplex 2507 have a 42% composition overlap. They are generally not directly interchangeable.
Can I replace 316L with Super Duplex 2507?
Generally not recommended. The compositions differ significantly (42% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between 316L and Super Duplex 2507?
The main differences are in the following elements: Cr, Mo, Ni, N. 316L is a Stainless Steel grade, while Super Duplex 2507 is a Stainless Steel grade.
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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.