100Cr6 vs 34CrNiMo6: 30% composition overlap. Significantly different materials serving different application areas.
100Cr6 vs 34CrNiMo6
Side-by-side chemical composition and mechanical property comparison.
Overview
100Cr6
1.3505
High-carbon chromium bearing steel. The most widely used bearing steel worldwide. Extremely high hardness and wear resistance after heat treatment. Standard for ball and roller bearings, precision shafts, and measuring instruments.
34CrNiMo6
1.6582
High-strength quenched and tempered Cr-Ni-Mo steel. Excellent hardenability and toughness, suitable for large cross-sections. Used for heavy-duty shafts, gears, turbine parts, and aerospace components.
| 100Cr6 | 34CrNiMo6 | |
|---|---|---|
| Material Number | 1.3505 | 1.6582 |
| Category | Alloy Steel | Alloy Steel |
| Standard | EN ISO 683-17 | EN 10083-3 |
Chemical composition (wt%)
| Element | 100Cr6 | 34CrNiMo6 | Overlap |
|---|---|---|---|
| C | 0.93–1.05% | 0.3–0.38% | No overlap |
| Si | 0.15–0.35% | 0–0.4% | OK |
| Mn | 0.25–0.45% | 0.5–0.8% | No overlap |
| P | 0–0.025% | 0–0.025% | OK |
Mechanical properties
| Property | 100Cr6 | 34CrNiMo6 | Unit |
|---|---|---|---|
| hardness_hrc | 60–66 | 30–36 | HRC |
| hardness_hb | ≤ 223 | — | HB |
| e_modulus | ≥ 210 | ≥ 210 | GPa |
Compatibility Assessment
100Cr6 and 34CrNiMo6 have significantly different compositions (30% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is 100Cr6 the same as 34CrNiMo6?
100Cr6 and 34CrNiMo6 have a 30% composition overlap. They are generally not directly interchangeable.
Can I replace 100Cr6 with 34CrNiMo6?
Generally not recommended. The compositions differ significantly (30% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between 100Cr6 and 34CrNiMo6?
The main differences are in the following elements: C, Mn, Mo. 100Cr6 is a Alloy Steel grade, while 34CrNiMo6 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.