100Cr6 vs 13CrMo4-5: 33% composition overlap. Significantly different materials serving different application areas.
100Cr6 vs 13CrMo4-5
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.
13CrMo4-5
1.7335
Low-alloy Cr-Mo steel for elevated-temperature service. Good creep resistance up to 500°C. The standard grade for boiler tubes, headers, superheater tubes, and pressure equipment in power generation. Lower alloy content than 10CrMo9-10.
| 100Cr6 | 13CrMo4-5 | |
|---|---|---|
| Material Number | 1.3505 | 1.7335 |
| Category | Alloy Steel | Alloy Steel |
| Standard | EN ISO 683-17 | EN 10028-2 |
Chemical composition (wt%)
| Element | 100Cr6 | 13CrMo4-5 | Overlap |
|---|---|---|---|
| C | 0.93–1.05% | 0.1–0.17% | No overlap |
| Si | 0.15–0.35% | 0–0.35% | OK |
| Mn | 0.25–0.45% | 0.4–1% | Partial |
| P | 0–0.025% | 0–0.025% | OK |
Mechanical properties
| Property | 100Cr6 | 13CrMo4-5 | Unit |
|---|---|---|---|
| hardness_hrc | 60–66 | — | HRC |
| hardness_hb | ≤ 223 | — | HB |
| e_modulus | ≥ 210 | ≥ 210 | GPa |
Compatibility Assessment
100Cr6 and 13CrMo4-5 have significantly different compositions (33% 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 13CrMo4-5?
100Cr6 and 13CrMo4-5 have a 33% composition overlap. They are generally not directly interchangeable.
Can I replace 100Cr6 with 13CrMo4-5?
Generally not recommended. The compositions differ significantly (33% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between 100Cr6 and 13CrMo4-5?
The main differences are in the following elements: C, Mn, Cr, Mo. 100Cr6 is a Alloy Steel grade, while 13CrMo4-5 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.