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R60704 Alloy vs. R30001 Cobalt

R60704 alloy belongs to the otherwise unclassified metals classification, while R30001 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R60704 alloy and the bottom bar is R30001 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
86
Tensile Strength: Ultimate (UTS), MPa 470
620

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Specific Heat Capacity, J/kg-K 270
430
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 6.0
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
9.0
Embodied Water, L/kg 460
460

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 58
19

Alloy Composition

Carbon (C), % 0 to 0.050
2.0 to 3.0
Chromium (Cr), % 0.2 to 0.4
28 to 32
Cobalt (Co), % 0
43 to 59
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
11 to 13
Zirconium (Zr), % 93 to 98.8
0