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Grade Comparison Tool
Compare chemical composition, mechanical properties, and international standard equivalents side by side. Differences highlighted in gold.
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Nickel-Chromium-Molybdenum Alloy
Alloy 625
UNS: N06625 | Werkstoff: 2.4856
ASTM: N06625
Super Duplex Stainless Steel
Super Duplex 2507
UNS: S32750 | Werkstoff: 1.4410
ASTM: S32750
15 differences found
11 in chemical composition, 4 in mechanical properties. Differences highlighted in gold.
Chemical Composition (% max unless range)
| Element | Alloy 625 | Super Duplex 2507 | Match |
|---|---|---|---|
| C | 0.10 max | 0.030 max | |
| Mn | 0.50 max | 1.20 max | |
| Si | 0.50 max | 0.80 max | |
| P | - | 0.035 max | |
| S | - | 0.020 max | |
| Cr | 20.0-23.0 | 24.0-26.0 | |
| Ni | 58.0 min | 6.0-8.0 | |
| Mo | 8.0-10.0 | 3.0-5.0 | |
| N | - | 0.24-0.32 | |
| Ti | 0.40 max | - | |
| Fe | 5.0 max | - |
Mechanical Properties
| Property | Alloy 625 | Super Duplex 2507 | Match |
|---|---|---|---|
| Tensile Strength | 827 MPa min | 795 MPa min | |
| Yield Strength | 414 MPa min | 550 MPa min | |
| Elongation | 30% min | 15% min | |
| Hardness | N/A | 32 HRC max |
International Standard Equivalents
| Standard | Alloy 625 | Super Duplex 2507 |
|---|---|---|
| UNS Number | N06625 | S32750 |
| Werkstoff Nr. | 2.4856 | 1.4410 |
| EN Name | NiCr22Mo9Nb | X2CrNiMoN25-7-4 |
| ASTM / ASME | N06625 | S32750 |
| Applicable Standards | ASTM B444 / ASME SB444, ASTM B163 / ASME SB163, ASTM B704 / ASME SB704, DIN 17751 | ASTM A789 / ASME SA789, ASTM A790 / ASME SA790, NORSOK MDS D56, DIN EN 10216-5 |
