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R60704 Alloy vs. EN 2.4964 Cobalt

R60704 alloy belongs to the otherwise unclassified metals classification, while EN 2.4964 cobalt belongs to the cobalt alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R60704 alloy and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
220
Elongation at Break, % 16
40
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
86
Tensile Strength: Ultimate (UTS), MPa 470
960
Tensile Strength: Yield (Proof), MPa 270
390

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Specific Heat Capacity, J/kg-K 270
400
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 6.0
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
9.6
Embodied Water, L/kg 460
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
310
Resilience: Unit (Modulus of Resilience), kJ/m3 370
340
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 20
28
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 58
25

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 0.2 to 0.4
19 to 21
Cobalt (Co), % 0
46.4 to 58
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
0 to 3.0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.0 to 2.0
0
Tungsten (W), % 0
14 to 16
Zirconium (Zr), % 93 to 98.8
0