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CC492K Bronze vs. R30012 Cobalt

CC492K bronze belongs to the copper alloys classification, while R30012 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC492K bronze and the bottom bar is R30012 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 14
1.0
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
86
Tensile Strength: Ultimate (UTS), MPa 280
830
Tensile Strength: Yield (Proof), MPa 150
650

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1000
1470
Melting Onset (Solidus), °C 900
1280
Specific Heat Capacity, J/kg-K 370
440
Thermal Conductivity, W/m-K 73
15
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 13
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 3.4
8.3
Embodied Energy, MJ/kg 54
120
Embodied Water, L/kg 370
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 100
960
Stiffness to Weight: Axial, points 6.8
14
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 8.7
26
Strength to Weight: Bending, points 11
22
Thermal Diffusivity, mm2/s 23
3.8
Thermal Shock Resistance, points 10
23

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
1.4 to 2.0
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
47.5 to 64.1
Copper (Cu), % 83 to 89
0
Iron (Fe), % 0 to 0.2
0 to 3.0
Lead (Pb), % 2.5 to 3.5
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 2.0
0 to 3.0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 2.0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 6.0 to 8.0
0
Tungsten (W), % 0
7.5 to 9.5
Zinc (Zn), % 1.5 to 3.0
0