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AWS BCo-1 vs. EN 1.4105 Stainless Steel

AWS BCo-1 belongs to the cobalt alloys classification, while EN 1.4105 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BCo-1 and the bottom bar is EN 1.4105 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 700
530

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Melting Completion (Liquidus), °C 1150
1430
Melting Onset (Solidus), °C 1120
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 8.0
2.2
Embodied Energy, MJ/kg 110
31
Embodied Water, L/kg 430
120

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 21
19

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 0.080
Chromium (Cr), % 18 to 20
16 to 18
Cobalt (Co), % 46 to 54
0
Iron (Fe), % 0 to 1.0
77.9 to 83.7
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0.2 to 0.6
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 to 1.5
Sulfur (S), % 0 to 0.020
0.15 to 0.35
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