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C54400 Bronze vs. R30008 Cobalt

C54400 bronze belongs to the copper alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C54400 bronze and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
83
Tensile Strength: Ultimate (UTS), MPa 330 to 720
950 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1000
1400
Melting Onset (Solidus), °C 930
1330
Specific Heat Capacity, J/kg-K 370
450
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
95
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.9
8.1
Embodied Energy, MJ/kg 48
110
Embodied Water, L/kg 340
400

Common Calculations

Stiffness to Weight: Axial, points 6.8
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 10 to 22
31 to 56
Strength to Weight: Bending, points 12 to 20
25 to 37
Thermal Shock Resistance, points 12 to 26
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 85.4 to 91.5
0
Iron (Fe), % 0 to 0.1
7.6 to 20
Lead (Pb), % 3.5 to 4.5
0
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0
15 to 18
Phosphorus (P), % 0.010 to 0.5
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 3.5 to 4.5
0
Zinc (Zn), % 1.5 to 4.5
0
Residuals, % 0 to 0.5
0