The China equivalent of 11SMn30 (1.0715) is Y15 with a 85% composition match.
🇨🇳 China equivalent of
11SMn301.0715
Standard: GB · Source: GB/T 8731
Chinese free-cutting steel
Quick Facts
| Original | 🇨🇳 Equivalent | |
|---|---|---|
| Designation | 11SMn30 | Y15 |
| Material Number | 1.0715 | — |
| Standard | EN ISO 683-4 | GB |
| Category | Carbon Steel | Carbon Steel |
Frequently Asked Questions
Is 11SMn30 the same as Y15?
11SMn30 (EN ISO 683-4) and Y15 (GB) are near-equivalent grades with a 85% composition overlap. Both are carbon 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 11SMn30 with Y15?
In most cases, yes. The chemical composition ranges overlap significantly (85%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN ISO 683-4 and GB standards.
What is the GB equivalent of 11SMn30?
The GB equivalent of 11SMn30 (1.0715) is Y15, specified in GB/T 8731.
Other International Equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | 11SMn30 | 100% |
| 🇪🇺 | Europe | DIN | 9SMn28 (old) | 98% |
| 🇯🇵 | Japan | JIS | SUM22 | 88% |
| 🇺🇸 | USA | SAE | SAE 1215 | 85% |
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN ISO 683-4, GB/T 8731.
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.