Type 4 Magnetic Alloy vs. ASTM A204 Steel
Type 4 magnetic alloy belongs to the nickel alloys classification, while ASTM A204 steel belongs to the iron 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 Type 4 magnetic alloy and the bottom bar is ASTM A204 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 2.0 to 40 | |
| 18 to 22 |
| Fatigue Strength, MPa | 220 to 400 | |
| 200 to 220 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 420 to 630 | |
| 330 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1100 | |
| 520 to 590 |
| Tensile Strength: Yield (Proof), MPa | 270 to 1040 | |
| 290 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 410 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1470 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 to 1430 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 470 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 2.4 |
| Density, g/cm3 | 8.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 1.5 |
| Embodied Energy, MJ/kg | 140 | |
| 20 |
| Embodied Water, L/kg | 210 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 to 200 | |
| 90 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 2840 | |
| 220 to 290 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 35 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 18 to 27 | |
| 18 to 20 |
| Thermal Shock Resistance, points | 21 to 37 | |
| 15 to 17 |