ASTM A302 Alloy Steel vs. EN 1.1151 Steel
Both ASTM A302 alloy steel and EN 1.1151 steel are iron alloys.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is EN 1.1151 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 130 to 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 23 | |
| 21 to 26 |
| Fatigue Strength, MPa | 250 to 280 | |
| 180 to 240 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 370 to 390 | |
| 300 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 460 to 520 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 240 to 340 |
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 | |
| 50 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.4 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.4 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 2.1 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 19 |
| Embodied Water, L/kg | 48 to 50 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 98 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 160 to 310 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 10 to 14 | |
| 13 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 15 to 16 |