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AWS BCo-1 vs. SAE-AISI 1026 Steel

AWS BCo-1 belongs to the cobalt alloys classification, while SAE-AISI 1026 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, 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 1026 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
73
Tensile Strength: Ultimate (UTS), MPa 700
500 to 550

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Melting Completion (Liquidus), °C 1150
1460
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
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 430
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
18 to 20
Strength to Weight: Bending, points 22
18 to 19
Thermal Shock Resistance, points 21
16 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0.7 to 0.9
0
Carbon (C), % 0.35 to 0.45
0.22 to 0.28
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 46 to 54
0
Iron (Fe), % 0 to 1.0
98.7 to 99.18
Manganese (Mn), % 0
0.6 to 0.9
Nickel (Ni), % 16 to 18
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
0
Sulfur (S), % 0 to 0.020
0 to 0.050
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