Type 1 Magnetic Alloy vs. SAE-AISI 81B45 Steel
Both Type 1 magnetic alloy and SAE-AISI 81B45 steel are iron alloys. They have 55% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is Type 1 magnetic alloy and the bottom bar is SAE-AISI 81B45 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 4.0 to 38 | |
12 to 24 |
Poisson's Ratio | 0.3 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 500 to 830 | |
540 to 670 |
Tensile Strength: Yield (Proof), MPa | 220 to 790 | |
350 to 560 |
Thermal Properties
Latent Heat of Fusion, J/g | 270 | |
250 |
Melting Completion (Liquidus), °C | 1420 | |
1460 |
Melting Onset (Solidus), °C | 1370 | |
1420 |
Specific Heat Capacity, J/kg-K | 460 | |
470 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 3.1 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 31 | |
2.3 |
Density, g/cm3 | 8.3 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 5.6 | |
1.5 |
Embodied Energy, MJ/kg | 77 | |
20 |
Embodied Water, L/kg | 130 | |
49 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 33 to 150 | |
77 to 110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 1690 | |
320 to 840 |
Stiffness to Weight: Axial, points | 12 | |
13 |
Stiffness to Weight: Bending, points | 23 | |
24 |
Strength to Weight: Axial, points | 17 to 28 | |
19 to 24 |
Strength to Weight: Bending, points | 17 to 24 | |
19 to 22 |
Thermal Shock Resistance, points | 16 to 26 | |
17 to 21 |
Alloy Composition
Boron (B), % | 0 | |
0.00050 to 0.0030 |
Carbon (C), % | 0 to 0.050 | |
0.43 to 0.48 |
Chromium (Cr), % | 0 to 0.3 | |
0.35 to 0.55 |
Cobalt (Co), % | 0 to 0.5 | |
0 |
Copper (Cu), % | 0 to 0.3 | |
0 |
Iron (Fe), % | 50.7 to 56.5 | |
97 to 98 |
Manganese (Mn), % | 0 to 0.8 | |
0.75 to 1.0 |
Molybdenum (Mo), % | 0 to 0.3 | |
0.080 to 0.15 |
Nickel (Ni), % | 43.5 to 46.5 | |
0.2 to 0.4 |
Phosphorus (P), % | 0 to 0.010 | |
0 to 0.035 |
Silicon (Si), % | 0 to 0.5 | |
0.15 to 0.35 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.040 |