AWS BCo-1 vs. Type 4 Magnetic Alloy
AWS BCo-1 belongs to the cobalt alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is AWS BCo-1 and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Poisson's Ratio | 0.3 | |
0.31 |
Shear Modulus, GPa | 78 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 700 | |
620 to 1100 |
Thermal Properties
Latent Heat of Fusion, J/g | 420 | |
290 |
Melting Completion (Liquidus), °C | 1150 | |
1420 |
Melting Onset (Solidus), °C | 1120 | |
1370 |
Specific Heat Capacity, J/kg-K | 480 | |
440 |
Thermal Expansion, µm/m-K | 12 | |
11 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.1 | |
8.8 |
Embodied Carbon, kg CO2/kg material | 8.0 | |
10 |
Embodied Energy, MJ/kg | 110 | |
140 |
Embodied Water, L/kg | 430 | |
210 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
12 |
Stiffness to Weight: Bending, points | 24 | |
22 |
Strength to Weight: Axial, points | 24 | |
19 to 35 |
Strength to Weight: Bending, points | 22 | |
18 to 27 |
Thermal Shock Resistance, points | 21 | |
21 to 37 |
Alloy Composition
Aluminum (Al), % | 0 to 0.050 | |
0 |
Boron (B), % | 0.7 to 0.9 | |
0 |
Carbon (C), % | 0.35 to 0.45 | |
0 to 0.050 |
Chromium (Cr), % | 18 to 20 | |
0 to 0.3 |
Cobalt (Co), % | 46 to 54 | |
0 to 0.5 |
Copper (Cu), % | 0 | |
0 to 0.3 |
Iron (Fe), % | 0 to 1.0 | |
9.5 to 17.5 |
Manganese (Mn), % | 0 | |
0 to 0.8 |
Molybdenum (Mo), % | 0 | |
3.5 to 6.0 |
Nickel (Ni), % | 16 to 18 | |
79 to 82 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.010 |
Selenium (Se), % | 0 to 0.0050 | |
0 |
Silicon (Si), % | 7.5 to 8.5 | |
0 to 0.5 |
Sulfur (S), % | 0 to 0.020 | |
0 to 0.020 |
Titanium (Ti), % | 0 to 0.050 | |
0 |
Tungsten (W), % | 3.5 to 4.5 | |
0 |
Zirconium (Zr), % | 0 to 0.050 | |
0 |
Residuals, % | 0 to 0.5 | |
0 |