The United Kingdom equivalent of 35NiCr6 (1.5815) is 640M40 / EN111 with a 93% composition match.
🇬🇧 United Kingdom equivalent of
35NiCr61.5815
Standard: BS · Source: BS 970
Quick Facts
| Original | 🇬🇧 Equivalent | |
|---|---|---|
| Designation | 35NiCr6 | 640M40 / EN111 |
| Material Number | 1.5815 | — |
| Standard | EN 10083-3 | BS |
| Category | Alloy Steel | Alloy Steel |
Frequently Asked Questions
Is 35NiCr6 the same as 640M40 / EN111?
35NiCr6 (EN 10083-3) and 640M40 / EN111 (BS) are near-equivalent grades with a 93% composition overlap. Both are alloy 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 35NiCr6 with 640M40 / EN111?
In most cases, yes. The chemical composition ranges overlap significantly (93%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN 10083-3 and BS standards.
What is the BS equivalent of 35NiCr6?
The BS equivalent of 35NiCr6 (1.5815) is 640M40 / EN111, specified in BS 970.
Other International Equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇫🇷 | France | AFNOR | 35NC6 | 97% |
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN 10083-3, BS 970.
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.