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C87600 Bronze vs. R30008 Cobalt

C87600 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 (7, in this case) are not shown.

For each property being compared, the top bar is C87600 bronze and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 18
1.1 to 73
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
83
Tensile Strength: Ultimate (UTS), MPa 470
950 to 1700
Tensile Strength: Yield (Proof), MPa 230
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 970
1400
Melting Onset (Solidus), °C 860
1330
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 29
95
Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 300
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 240
590 to 2720
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
31 to 56
Strength to Weight: Bending, points 16
25 to 37
Thermal Shock Resistance, points 17
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), % 88 to 92.5
0
Iron (Fe), % 0
7.6 to 20
Lead (Pb), % 0 to 0.5
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
0 to 0.015
Silicon (Si), % 3.5 to 5.5
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 4.0 to 7.0
0
Residuals, % 0 to 0.5
0