10CrMo9-10 vs 20MnCr5: 31% composition overlap. Significantly different materials serving different application areas.
10CrMo9-10 vs 20MnCr5
Side-by-side chemical composition and mechanical property comparison.
Overview
10CrMo9-10
1.7380
Low-carbon Cr-Mo steel for elevated temperature pressure equipment. Excellent creep resistance up to 530°C. The standard grade for boiler tubes, headers, and pressure vessels in power generation and petrochemical industries.
20MnCr5
1.7147
Manganese-chromium case-hardening steel with higher core strength than 16MnCr5. Used for heavily loaded gears, shafts, camshafts, and transmission components requiring high surface hardness with tough core. Popular in automotive and heavy machinery.
| 10CrMo9-10 | 20MnCr5 | |
|---|---|---|
| Material Number | 1.7380 | 1.7147 |
| Category | Alloy Steel | Alloy Steel |
| Standard | EN 10028-2 | EN 10084 |
Chemical composition (wt%)
| Element | 10CrMo9-10 | 20MnCr5 | Overlap |
|---|---|---|---|
| C | 0.08–0.14% | 0.17–0.22% | No overlap |
| Si | 0–0.5% | 0–0.4% | OK |
| Mn | 0.4–0.8% | 1.1–1.4% | No overlap |
| P | 0–0.02% | 0–0.025% | OK |
Mechanical properties
| Property | 10CrMo9-10 | 20MnCr5 | Unit |
|---|---|---|---|
| tensile_strength | 450–600 | 900–1200 | MPa |
| yield_strength | ≥ 280 | — | MPa |
| elongation | ≥ 18 | — | % |
Compatibility Assessment
10CrMo9-10 and 20MnCr5 have significantly different compositions (31% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is 10CrMo9-10 the same as 20MnCr5?
10CrMo9-10 and 20MnCr5 have a 31% composition overlap. They are generally not directly interchangeable.
Can I replace 10CrMo9-10 with 20MnCr5?
Generally not recommended. The compositions differ significantly (31% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between 10CrMo9-10 and 20MnCr5?
The main differences are in the following elements: C, Mn, Cr. 10CrMo9-10 is a Alloy Steel grade, while 20MnCr5 is a Alloy Steel grade.
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Data provided for reference only. Always verify against the applicable specification for critical applications.
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.