The Europe equivalent of 55Si7 (1.0904) is 55Si7 / 1.0904 (1.0904) with a 100% composition match.
🇪🇺 Europe equivalent of
55Si71.0904
Standard: EN · Source: EN 10089
Reference grade
Quick Facts
| Original | 🇪🇺 Equivalent | |
|---|---|---|
| Designation | 55Si7 | 55Si7 / 1.0904 |
| Material Number | 1.0904 | 1.0904 |
| Standard | EN 10089 | EN |
| Category | Alloy Steel | Alloy Steel |
Frequently Asked Questions
Is 55Si7 the same as 55Si7 / 1.0904?
55Si7 (EN 10089) and 55Si7 / 1.0904 (EN) are near-equivalent grades with a 100% composition overlap. Both are alloy steel 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 55Si7 with 55Si7 / 1.0904?
In most cases, yes. The chemical composition ranges overlap significantly (100%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN 10089 and EN standards.
What is the EN equivalent of 55Si7?
The EN equivalent of 55Si7 (1.0904) is 55Si7 / 1.0904 (1.0904), specified in EN 10089.
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN 10089, EN 10089.
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.