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C54400 Bronze vs. G-CoCr28 Cobalt

C54400 bronze belongs to the copper alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C54400 bronze and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
83
Tensile Strength: Ultimate (UTS), MPa 330 to 720
560

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 930
1270
Specific Heat Capacity, J/kg-K 370
470
Thermal Conductivity, W/m-K 86
8.5
Thermal Expansion, µm/m-K 18
14

Otherwise Unclassified Properties

Base Metal Price, % relative 31
100
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.9
6.2
Embodied Energy, MJ/kg 48
84
Embodied Water, L/kg 340
440

Common Calculations

Stiffness to Weight: Axial, points 6.8
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 10 to 22
19
Strength to Weight: Bending, points 12 to 20
19
Thermal Diffusivity, mm2/s 26
2.2
Thermal Shock Resistance, points 12 to 26
14

Alloy Composition

Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 85.4 to 91.5
0
Iron (Fe), % 0 to 0.1
9.7 to 24.5
Lead (Pb), % 3.5 to 4.5
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0.010 to 0.5
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 3.5 to 4.5
0
Zinc (Zn), % 1.5 to 4.5
0
Residuals, % 0 to 0.5
0