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C95520 Bronze vs. R30008 Cobalt

C95520 bronze belongs to the copper alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C95520 bronze and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 2.6
1.1 to 73
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 44
83
Tensile Strength: Ultimate (UTS), MPa 970
950 to 1700
Tensile Strength: Yield (Proof), MPa 530
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 1070
1400
Melting Onset (Solidus), °C 1020
1330
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 29
95
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 3.6
8.1
Embodied Energy, MJ/kg 58
110
Embodied Water, L/kg 390
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1210
590 to 2720
Stiffness to Weight: Axial, points 8.0
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 33
31 to 56
Strength to Weight: Bending, points 27
25 to 37
Thermal Shock Resistance, points 33
25 to 44

Alloy Composition

Aluminum (Al), % 10.5 to 11.5
0
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.050
18.5 to 21.5
Cobalt (Co), % 0 to 0.2
39 to 42
Copper (Cu), % 74.5 to 81.3
0
Iron (Fe), % 4.0 to 5.5
7.6 to 20
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0 to 1.5
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 4.2 to 6.0
15 to 18
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.15
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.5
0