Part of Engineering Database. 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
DIN 42Cr4 vs DIN 49CrMo4
Property comparison of DIN 42Cr4 and DIN 49CrMo4, both carbon steel.
| Property | DIN 42Cr4 | DIN 49CrMo4 | Difference |
|---|---|---|---|
| Yield strength | 670 MPa | 690 MPa | +3% |
| Tensile strength | 880 MPa | 880 MPa | 0% |
| Elongation | 12 % | 12 % | 0% |
| Elastic modulus | 206,000 MPa | 206,000 MPa | 0% |
| Shear modulus | 80,000 MPa | 80,000 MPa | 0% |
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 7,860 kg/m³ | 7,860 kg/m³ | 0% |
| Thermal conductivity | 57 W/m·K | 54.4 W/m·K | -5% |
| Specific heat | 463 J/kg·K | 465 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000012 1/K | 0% |
| Melting point | 1,480 °C | 1,480 °C | 0% |
Difference is DIN 49CrMo4 relative to DIN 42Cr4. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
DIN 42Cr4
- standard
- DIN
DIN 49CrMo4
- standard
- DIN
What else is in Engineering Database
Iron Engine ↗Engineering AI at ironengine.ai
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators