MakeItFrom.com
Menu (ESC)

AWS BCo-1 vs. S32803 Stainless Steel

AWS BCo-1 belongs to the cobalt alloys classification, while S32803 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 18 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BCo-1 and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 700
680

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Melting Completion (Liquidus), °C 1150
1450
Melting Onset (Solidus), °C 1120
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 8.0
3.7
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 430
180

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 21
22

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 0.015
Chromium (Cr), % 18 to 20
28 to 29
Cobalt (Co), % 46 to 54
0
Iron (Fe), % 0 to 1.0
62.9 to 67.1
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 16 to 18
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
0 to 0.55
Sulfur (S), % 0 to 0.020
0 to 0.0035
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