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C91000 Bronze vs. G-CoCr28 Cobalt

C91000 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 C91000 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, % 7.0
6.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 39
83
Tensile Strength: Ultimate (UTS), MPa 230
560
Tensile Strength: Yield (Proof), MPa 150
260

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Maximum Temperature: Mechanical, °C 160
1200
Melting Completion (Liquidus), °C 960
1330
Melting Onset (Solidus), °C 820
1270
Specific Heat Capacity, J/kg-K 360
470
Thermal Conductivity, W/m-K 64
8.5
Thermal Expansion, µm/m-K 18
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
100
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 4.1
6.2
Embodied Energy, MJ/kg 67
84
Embodied Water, L/kg 420
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
31
Resilience: Unit (Modulus of Resilience), kJ/m3 100
160
Stiffness to Weight: Axial, points 6.8
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.5
19
Strength to Weight: Bending, points 9.7
19
Thermal Diffusivity, mm2/s 20
2.2
Thermal Shock Resistance, points 8.8
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 84 to 86
0
Iron (Fe), % 0 to 0.1
9.7 to 24.5
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.8
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 1.5
0 to 0.040
Silicon (Si), % 0 to 0.0050
0.5 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 14 to 16
0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.6
0