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C95820 Bronze vs. G-CoCr28 Cobalt

C95820 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 (3, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
6.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
83
Tensile Strength: Ultimate (UTS), MPa 730
560
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 230
320
Maximum Temperature: Mechanical, °C 230
1200
Melting Completion (Liquidus), °C 1080
1330
Melting Onset (Solidus), °C 1020
1270
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 38
8.5
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 29
100
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.5
6.2
Embodied Energy, MJ/kg 56
84
Embodied Water, L/kg 380
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
31
Resilience: Unit (Modulus of Resilience), kJ/m3 400
160
Stiffness to Weight: Axial, points 8.0
15
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 11
2.2
Thermal Shock Resistance, points 25
14

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 77.5 to 82.5
0
Iron (Fe), % 4.0 to 5.0
9.7 to 24.5
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.5 to 5.8
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.8
0