Part of Engineering Database. 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
EN C30 vs EN C55
Property comparison of EN C30 and EN C55, both carbon steel.
| Property | EN C30 | EN C55 | Difference |
|---|---|---|---|
| Yield strength | 350 MPa | 490 MPa | +40% |
| Tensile strength | 550 MPa | 750 MPa | +36% |
| Elongation | 20 % | 14 % | -30% |
| 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 | 61.6 W/m·K | 52.9 W/m·K | -14% |
| Specific heat | 460 J/kg·K | 466 J/kg·K | +1% |
| 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 C55 relative to EN C30. 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 C30
- standard
- ISO
- heat treatment
- —
EN C55
- 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