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R30075 Cobalt vs. CC494K Bronze

R30075 cobalt belongs to the cobalt alloys classification, while CC494K bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30075 cobalt and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210 to 250
100
Elongation at Break, % 12
7.6
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 82 to 98
39
Tensile Strength: Ultimate (UTS), MPa 780 to 1280
210
Tensile Strength: Yield (Proof), MPa 480 to 840
94

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1360
970
Melting Onset (Solidus), °C 1290
890
Specific Heat Capacity, J/kg-K 450
360
Thermal Conductivity, W/m-K 13
63
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
16

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.1
Embodied Carbon, kg CO2/kg material 8.1
3.1
Embodied Energy, MJ/kg 110
50
Embodied Water, L/kg 530
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 140
13
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1410
43
Stiffness to Weight: Axial, points 14 to 17
6.4
Stiffness to Weight: Bending, points 24 to 25
17
Strength to Weight: Axial, points 26 to 42
6.5
Strength to Weight: Bending, points 22 to 31
8.8
Thermal Diffusivity, mm2/s 3.5
19
Thermal Shock Resistance, points 21 to 29
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.35
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 58.7 to 68
0
Copper (Cu), % 0
78 to 87
Iron (Fe), % 0 to 0.75
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 0.5
0 to 2.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.1
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.010
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0 to 0.2
0
Zinc (Zn), % 0
0 to 2.0