ASTM A302 Alloy Steel vs. Type 4 Magnetic Alloy
ASTM A302 alloy steel belongs to the iron alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 28 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 A302 alloy steel and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 to 23 | |
| 2.0 to 40 |
| Fatigue Strength, MPa | 250 to 280 | |
| 220 to 400 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 370 to 390 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 620 | |
| 620 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 270 to 1040 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 900 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1420 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 440 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.4 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.4 | |
| 3.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 3.0 | |
| 60 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 10 |
| Embodied Energy, MJ/kg | 20 to 21 | |
| 140 |
| Embodied Water, L/kg | 48 to 50 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 22 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 410 | |
| 190 to 2840 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 | |
| 22 |
| Strength to Weight: Axial, points | 21 to 22 | |
| 19 to 35 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 18 to 27 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 21 to 37 |