ASTM A266 Carbon Steel vs. EN 1.4029 Stainless Steel
Both ASTM A266 carbon steel and EN 1.4029 stainless steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is EN 1.4029 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 21 to 26 | |
| 10 to 20 |
| Fatigue Strength, MPa | 170 to 200 | |
| 270 to 400 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 320 to 380 | |
| 440 to 550 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
| 700 to 930 |
| Tensile Strength: Yield (Proof), MPa | 230 to 290 | |
| 410 to 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 750 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 51 to 52 | |
| 30 |
| Thermal Expansion, µm/m-K | 12 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 3.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 7.0 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.0 |
| Embodied Energy, MJ/kg | 18 to 19 | |
| 28 |
| Embodied Water, L/kg | 46 to 47 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 89 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 230 | |
| 440 to 1410 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 25 to 33 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 23 to 27 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.1 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 26 to 34 |