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AWS BCo-1 vs. EN 1.4854 Stainless Steel

AWS BCo-1 belongs to the cobalt alloys classification, while EN 1.4854 stainless steel belongs to the iron alloys. They have a modest 38% 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 (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 1.4854 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
78
Tensile Strength: Ultimate (UTS), MPa 700
750

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Melting Completion (Liquidus), °C 1150
1370
Melting Onset (Solidus), °C 1120
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 8.0
5.7
Embodied Energy, MJ/kg 110
81
Embodied Water, L/kg 430
220

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 21
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
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 18 to 20
24 to 26
Cobalt (Co), % 46 to 54
0
Iron (Fe), % 0 to 1.0
33.6 to 40.6
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 16 to 18
34 to 36
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
1.2 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.015
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