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EN 2.4964 Cobalt vs. R04295 Alloy

EN 2.4964 cobalt belongs to the cobalt alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is R04295 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 40
22
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 86
37
Tensile Strength: Ultimate (UTS), MPa 960
410
Tensile Strength: Yield (Proof), MPa 390
300

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Specific Heat Capacity, J/kg-K 400
260
Thermal Expansion, µm/m-K 12
7.2

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.0
Embodied Water, L/kg 450
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
84
Resilience: Unit (Modulus of Resilience), kJ/m3 340
430
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 21
17
Strength to Weight: Axial, points 28
13
Strength to Weight: Bending, points 23
14
Thermal Shock Resistance, points 25
40

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.015
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Hafnium (Hf), % 0
9.0 to 11
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 3.0
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0
85.9 to 90.3
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.7 to 1.3
Tungsten (W), % 14 to 16
0 to 0.5
Zirconium (Zr), % 0
0 to 0.7