16MnCr5 vs 16MnCrS5: 52% composition overlap. Moderate differences, generally not direct substitutes.
16MnCr5 vs 16MnCrS5
Side-by-side chemical composition and mechanical property comparison.
Overview
16MnCr5
1.7131
Low-carbon case-hardening steel with manganese and chromium. Excellent for carburizing to produce a hard, wear-resistant surface with a tough core. Standard choice for gears, camshafts, piston pins, and transmission components.
16MnCrS5
1.7139
Free-cutting variant of 16MnCr5 (1.7131) — sulfur addition (0.020-0.040%) for improved machinability on CNC automatics. Same case-hardening properties: surface 60-62 HRC after carburizing. THE high-volume automotive gear steel where machining cost matters. Used for transmission gears, shafts, pinions, and other carburized parts produced on CNC lathes and multi-spindle automatics.
| 16MnCr5 | 16MnCrS5 | |
|---|---|---|
| Material Number | 1.7131 | 1.7139 |
| Category | Alloy Steel | Alloy Steel |
| Standard | EN 10084 | EN 10084 |
Chemical composition (wt%)
| Element | 16MnCr5 | 16MnCrS5 | Overlap |
|---|---|---|---|
| C | 0.14–0.19% | 0.14–0.19% | OK |
| Si | 0–0.4% | 0–0.4% | OK |
| Mn | 1–1.3% | 1–1.3% | OK |
| P | 0–0.025% | 0–0.025% | OK |
Mechanical properties
| Property | 16MnCr5 | 16MnCrS5 | Unit |
|---|---|---|---|
| tensile_strength | 800–1100 | 700–1000 | MPa |
| yield_strength | ≥ 590 | 450–700 | MPa |
| elongation | ≥ 10 | — | % |
Compatibility Assessment
16MnCr5 and 16MnCrS5 have moderate differences (52% overlap). They are generally not direct substitutes. Consider the specific requirements of your application.
Automated assessment based on composition analysis
Frequently Asked Questions
Is 16MnCr5 the same as 16MnCrS5?
16MnCr5 and 16MnCrS5 have a 52% composition overlap. They are generally not directly interchangeable.
Can I replace 16MnCr5 with 16MnCrS5?
Generally not recommended. The compositions differ significantly (52% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between 16MnCr5 and 16MnCrS5?
The main differences are in the following elements: S. 16MnCr5 is a Alloy Steel grade, while 16MnCrS5 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.