ASTM A302 Alloy Steel vs. EN 1.0034 Steel
Both ASTM A302 alloy steel and EN 1.0034 steel are iron alloys.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is EN 1.0034 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 97 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 23 | |
| 9.0 to 32 |
| Fatigue Strength, MPa | 250 to 280 | |
| 140 to 170 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 370 to 390 | |
| 220 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 340 to 380 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 180 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 39 to 51 | |
| 53 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.4 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.4 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 1.8 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 18 |
| Embodied Water, L/kg | 48 to 50 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 31 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 84 to 210 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 12 to 13 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 14 to 15 |
| Thermal Diffusivity, mm2/s | 10 to 14 | |
| 14 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 11 to 12 |