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AWS BCo-1 vs. SAE-AISI H10 Steel

AWS BCo-1 belongs to the cobalt alloys classification, while SAE-AISI H10 steel belongs to the iron alloys. There are 18 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 AWS BCo-1 and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 700
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1150
1470
Melting Onset (Solidus), °C 1120
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 110
48
Embodied Water, L/kg 430
71

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
24 to 72
Strength to Weight: Bending, points 22
22 to 46
Thermal Shock Resistance, points 21
22 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0.7 to 0.9
0
Carbon (C), % 0.35 to 0.45
0.35 to 0.45
Chromium (Cr), % 18 to 20
3.0 to 3.8
Cobalt (Co), % 46 to 54
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 1.0
89.5 to 93.4
Manganese (Mn), % 0
0.25 to 0.7
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 16 to 18
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
0.8 to 1.2
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 3.5 to 4.5
0
Vanadium (V), % 0
0.25 to 0.75
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0