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C86100 Bronze vs. R30003 Cobalt

C86100 bronze belongs to the copper alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C86100 bronze and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 20
10 to 73
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 43
83
Tensile Strength: Ultimate (UTS), MPa 660
970 to 1720
Tensile Strength: Yield (Proof), MPa 350
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 200
310
Melting Completion (Liquidus), °C 940
1400
Melting Onset (Solidus), °C 900
1440
Specific Heat Capacity, J/kg-K 420
450
Thermal Conductivity, W/m-K 35
13
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
95
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.9
8.0
Embodied Energy, MJ/kg 49
110
Embodied Water, L/kg 350
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 530
600 to 2790
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 23
32 to 57
Strength to Weight: Bending, points 21
26 to 38
Thermal Diffusivity, mm2/s 10
3.3
Thermal Shock Resistance, points 21
26 to 45

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Boron (B), % 0
0 to 0.1
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Copper (Cu), % 66 to 68
0
Iron (Fe), % 2.0 to 4.0
10 to 20.5
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 2.5 to 5.0
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
14 to 16
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 17.3 to 25
0