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CC481K Bronze vs. R30008 Cobalt

CC481K 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 CC481K 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, % 4.5
1.1 to 73
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
83
Tensile Strength: Ultimate (UTS), MPa 350
950 to 1700
Tensile Strength: Yield (Proof), MPa 180
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1000
1400
Melting Onset (Solidus), °C 880
1330
Specific Heat Capacity, J/kg-K 370
450
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 35
95
Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 3.7
8.1
Embodied Energy, MJ/kg 60
110
Embodied Water, L/kg 390
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
590 to 2720
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
31 to 56
Strength to Weight: Bending, points 13
25 to 37
Thermal Shock Resistance, points 13
25 to 44

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.050
0
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), % 87 to 89.5
0
Iron (Fe), % 0 to 0.1
7.6 to 20
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.050
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.1
15 to 18
Phosphorus (P), % 0 to 1.0
0 to 0.015
Silicon (Si), % 0 to 0.010
0 to 1.2
Sulfur (S), % 0 to 0.050
0 to 0.015
Tin (Sn), % 10 to 11.5
0
Zinc (Zn), % 0 to 0.5
0