ASTM A302 Alloy Steel vs. EN 1.7216 Steel
Both ASTM A302 alloy steel and EN 1.7216 steel are iron alloys.
For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is EN 1.7216 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 190 | |
| 200 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 23 | |
| 12 to 23 |
| Fatigue Strength, MPa | 250 to 280 | |
| 290 to 440 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 370 to 390 | |
| 410 to 560 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 650 to 930 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 400 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 420 |
| 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 | |
| 46 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.4 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 2.4 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 1.5 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 20 |
| Embodied Water, L/kg | 48 to 50 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 110 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 430 to 1280 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 23 to 33 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 21 to 27 |
| Thermal Diffusivity, mm2/s | 10 to 14 | |
| 12 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 19 to 27 |