Part of Engineering Database. 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
EN 30CrNiMo8 vs EN 37Cr4
Property comparison of EN 30CrNiMo8 and EN 37Cr4, both carbon steel.
| Property | EN 30CrNiMo8 | EN 37Cr4 | Difference |
|---|---|---|---|
| Yield strength | 1,050 MPa | 630 MPa | -40% |
| Tensile strength | 1,250 MPa | 850 MPa | -32% |
| Elongation | 9 % | 13 % | +44% |
| 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 | 51.9 W/m·K | 51.9 W/m·K | 0% |
| Specific heat | 460 J/kg·K | 462 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 EN 37Cr4 relative to EN 30CrNiMo8. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
EN 30CrNiMo8
- standard
- ISO
- heat treatment
- heat treated
EN 37Cr4
- standard
- ISO
- heat treatment
- heat treated
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