The USA equivalent of C45R (1.1201) is AISI 1045 (G10450) with a 95% composition match.
🇺🇸 USA equivalent of
C45R1.1201
Standard: AISI · Source: ASTM A29
Approx equivalent (no S control in AISI)
Quick Facts
| Original | 🇺🇸 Equivalent | |
|---|---|---|
| Designation | C45R | AISI 1045 |
| Material Number | 1.1201 | G10450 |
| Standard | EN 10083-2 | AISI |
| Category | Carbon Steel | Carbon Steel |
Frequently Asked Questions
Is C45R the same as AISI 1045?
C45R (EN 10083-2) and AISI 1045 (AISI) are near-equivalent grades with a 95% composition overlap. Both are carbon 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 C45R with AISI 1045?
In most cases, yes. The chemical composition ranges overlap significantly (95%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN 10083-2 and AISI standards.
What is the AISI equivalent of C45R?
The AISI equivalent of C45R (1.1201) is AISI 1045 (G10450), specified in ASTM A29.
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN 10083-2, ASTM A29.
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.