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50Cr-50Ni Alloy vs. EN 2.4964 Cobalt

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while EN 2.4964 cobalt belongs to the cobalt alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 5.7
40
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
86
Tensile Strength: Ultimate (UTS), MPa 620
960
Tensile Strength: Yield (Proof), MPa 390
390

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Specific Heat Capacity, J/kg-K 490
400
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Density, g/cm3 8.0
9.6
Embodied Carbon, kg CO2/kg material 7.9
9.8
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 350
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
310
Resilience: Unit (Modulus of Resilience), kJ/m3 350
340
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
23
Thermal Shock Resistance, points 14
25

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.050 to 0.15
Chromium (Cr), % 48 to 52
19 to 21
Cobalt (Co), % 0
46.4 to 58
Iron (Fe), % 0 to 1.0
0 to 3.0
Manganese (Mn), % 0 to 0.3
0 to 2.0
Nickel (Ni), % 44.5 to 52
9.0 to 11
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.5
0
Tungsten (W), % 0
14 to 16