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CC484K Bronze vs. G-CoCr28 Cobalt

CC484K bronze belongs to the copper alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC484K bronze and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 11
6.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
83
Tensile Strength: Ultimate (UTS), MPa 330
560
Tensile Strength: Yield (Proof), MPa 200
260

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Maximum Temperature: Mechanical, °C 170
1200
Melting Completion (Liquidus), °C 1000
1330
Melting Onset (Solidus), °C 870
1270
Specific Heat Capacity, J/kg-K 370
470
Thermal Conductivity, W/m-K 70
8.5
Thermal Expansion, µm/m-K 18
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
100
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 3.9
6.2
Embodied Energy, MJ/kg 64
84
Embodied Water, L/kg 400
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
31
Resilience: Unit (Modulus of Resilience), kJ/m3 180
160
Stiffness to Weight: Axial, points 6.9
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 10
19
Strength to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 22
2.2
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.1
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 84.5 to 87.5
0
Iron (Fe), % 0 to 0.2
9.7 to 24.5
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0 to 0.2
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 1.5 to 2.5
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0.050 to 0.4
0 to 0.040
Silicon (Si), % 0 to 0.010
0.5 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 11 to 13
0
Zinc (Zn), % 0 to 0.4
0