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R60704 Alloy vs. R30006 Cobalt

R60704 alloy belongs to the otherwise unclassified metals classification, while R30006 cobalt belongs to the cobalt alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R60704 alloy and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
220
Elongation at Break, % 16
1.0
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
85
Tensile Strength: Ultimate (UTS), MPa 470
900
Tensile Strength: Yield (Proof), MPa 270
540

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Specific Heat Capacity, J/kg-K 270
450
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 6.0
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.6
Embodied Water, L/kg 460
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 370
670
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 58
26

Alloy Composition

Carbon (C), % 0 to 0.050
0.9 to 1.4
Chromium (Cr), % 0.2 to 0.4
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
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
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
0 to 2.0
Tin (Sn), % 1.0 to 2.0
0
Tungsten (W), % 0
4.0 to 6.0
Zirconium (Zr), % 93 to 98.8
0