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CC481K Bronze vs. R30001 Cobalt

CC481K bronze belongs to the copper alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 23 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 R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 4.5
1.0
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
86
Tensile Strength: Ultimate (UTS), MPa 350
620

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Melting Completion (Liquidus), °C 1000
1530
Melting Onset (Solidus), °C 880
1260
Specific Heat Capacity, J/kg-K 370
430
Thermal Conductivity, W/m-K 64
15
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.7
9.0
Embodied Carbon, kg CO2/kg material 3.7
8.9
Embodied Energy, MJ/kg 60
130
Embodied Water, L/kg 390
460

Common Calculations

Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 11
19
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 20
3.7
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.050
0
Carbon (C), % 0
2.0 to 3.0
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
43 to 59
Copper (Cu), % 87 to 89.5
0
Iron (Fe), % 0 to 0.1
0 to 3.0
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.050
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.1
0 to 3.0
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.010
0 to 2.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 10 to 11.5
0
Tungsten (W), % 0
11 to 13
Zinc (Zn), % 0 to 0.5
0