The United Kingdom equivalent of Inconel 625 (2.4856) is NA21 with a 98% composition match.
🇬🇧 United Kingdom equivalent of
Inconel 6252.4856
Standard: BS · Source: BS 3072
British designation
Quick Facts
| Original | 🇬🇧 Equivalent | |
|---|---|---|
| Designation | Inconel 625 | NA21 |
| Material Number | 2.4856 | — |
| Standard | ASTM B443 | BS |
| Category | Nickel Alloys | Nickel Alloys |
Frequently Asked Questions
Is Inconel 625 the same as NA21?
Inconel 625 (ASTM B443) and NA21 (BS) are near-equivalent grades with a 98% composition overlap. Both are nickel grades. Minor differences may exist in alloying element ranges. For most applications, they are interchangeable. Always verify against the applicable specification for safety-critical components.
Can I substitute Inconel 625 with NA21?
In most cases, yes. The chemical composition ranges overlap significantly (98%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between ASTM B443 and BS standards.
What is the BS equivalent of Inconel 625?
The BS equivalent of Inconel 625 (2.4856) is NA21, specified in BS 3072.
Other International Equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | NiCr22Mo9Nb | 100% |
| 🇫🇷 | France | AFNOR | NC22DNb | 97% |
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: ASTM B443, BS 3072.
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.