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AWS BCo-1 vs. EN 1.8895 Steel

AWS BCo-1 belongs to the cobalt alloys classification, while EN 1.8895 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 EN 1.8895 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
400

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
13

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.6
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 430
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
14
Strength to Weight: Bending, points 22
15
Thermal Shock Resistance, points 21
12

Alloy Composition

Aluminum (Al), % 0 to 0.050
0.020 to 0.060
Boron (B), % 0.7 to 0.9
0
Carbon (C), % 0.35 to 0.45
0 to 0.13
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 46 to 54
0
Iron (Fe), % 0 to 1.0
97 to 99.98
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 16 to 18
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.035
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 0.030
Titanium (Ti), % 0 to 0.050
0 to 0.050
Tungsten (W), % 3.5 to 4.5
0
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0