41Cr4 vs 42CrMo4: Similar Cr steels — 42CrMo4 adds molybdenum
41Cr4 vs 42CrMo4
Side-by-side chemical composition and mechanical property comparison.
Overview
41Cr4
1.7035
Medium-carbon chromium steel with good hardenability. Standard grade for induction-hardened and nitrided components. Used for crankshafts, gears, axle shafts, bolts, studs, and machine parts requiring surface hardening.
42CrMo4
1.7225
High-strength quenched and tempered chromium-molybdenum steel. Widely used for shafts, gears, crankshafts, connecting rods, and high-strength bolts. Excellent hardenability and good fatigue resistance.
| 41Cr4 | 42CrMo4 | |
|---|---|---|
| Material Number | 1.7035 | 1.7225 |
| Category | Alloy Steel | Alloy Steel |
| Standard | EN 10083-3 | EN 10083-3 |
Chemical composition (wt%)
| Element | 41Cr4 | 42CrMo4 | Overlap |
|---|---|---|---|
| C | 0.38–0.45% | 0.38–0.45% | OK |
| Si | 0–0.4% | 0–0.4% | OK |
| Mn | 0.6–0.9% | 0.6–0.9% | OK |
| P | 0–0.025% | 0–0.025% | OK |
Mechanical properties
| Property | 41Cr4 | 42CrMo4 | Unit |
|---|---|---|---|
| tensile_strength | 900–1100 | 900–1100 | MPa |
| yield_strength | ≥ 600 | ≥ 650 | MPa |
| elongation | ≥ 12 | ≥ 12 | % |
Compatibility Assessment
Both are medium-carbon Cr steels from EN 10083-3 with similar C content. 42CrMo4 adds 0.15-0.30% Mo for improved hardenability and high-temperature strength. Choose 42CrMo4 for larger sections or higher performance requirements.
Frequently Asked Questions
Is 41Cr4 the same as 42CrMo4?
41Cr4 and 42CrMo4 have a 80% composition overlap. Similar Cr steels — 42CrMo4 adds molybdenum
Can I replace 41Cr4 with 42CrMo4?
In many cases, yes. The compositions overlap significantly (80%). However, always verify mechanical property requirements and heat treatment compatibility for your specific application.
What is the difference between 41Cr4 and 42CrMo4?
The main differences are in the following elements: overall alloying content. 41Cr4 is a Alloy Steel grade, while 42CrMo4 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.