SAE-AISI A8 Steel vs. Type 4 Magnetic Alloy
SAE-AISI A8 steel belongs to the iron alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Poisson's Ratio | 0.29 | |
0.31 |
Shear Modulus, GPa | 74 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 700 to 1920 | |
620 to 1100 |
Thermal Properties
Latent Heat of Fusion, J/g | 270 | |
290 |
Melting Completion (Liquidus), °C | 1480 | |
1420 |
Melting Onset (Solidus), °C | 1430 | |
1370 |
Specific Heat Capacity, J/kg-K | 470 | |
440 |
Thermal Expansion, µm/m-K | 12 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.3 | |
2.9 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 9.5 | |
3.0 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 8.5 | |
60 |
Density, g/cm3 | 7.9 | |
8.8 |
Embodied Carbon, kg CO2/kg material | 2.3 | |
10 |
Embodied Energy, MJ/kg | 31 | |
140 |
Embodied Water, L/kg | 73 | |
210 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
12 |
Stiffness to Weight: Bending, points | 24 | |
22 |
Strength to Weight: Axial, points | 25 to 68 | |
19 to 35 |
Strength to Weight: Bending, points | 22 to 44 | |
18 to 27 |
Thermal Shock Resistance, points | 22 to 62 | |
21 to 37 |
Alloy Composition
Carbon (C), % | 0.5 to 0.6 | |
0 to 0.050 |
Chromium (Cr), % | 4.8 to 5.5 | |
0 to 0.3 |
Cobalt (Co), % | 0 | |
0 to 0.5 |
Copper (Cu), % | 0 to 0.25 | |
0 to 0.3 |
Iron (Fe), % | 88.5 to 91.9 | |
9.5 to 17.5 |
Manganese (Mn), % | 0 to 0.5 | |
0 to 0.8 |
Molybdenum (Mo), % | 1.2 to 1.7 | |
3.5 to 6.0 |
Nickel (Ni), % | 0 to 0.3 | |
79 to 82 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.010 |
Silicon (Si), % | 0.75 to 1.1 | |
0 to 0.5 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.020 |
Tungsten (W), % | 1.0 to 1.5 | |
0 |