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C50100 Bronze vs. R30003 Cobalt

C50100 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 (5, in this case) are not shown.

For each property being compared, the top bar is C50100 bronze and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 40
10 to 73
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
83
Tensile Strength: Ultimate (UTS), MPa 270
970 to 1720
Tensile Strength: Yield (Proof), MPa 82
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1070
1440
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 230
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 55
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
95
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 42
110
Embodied Water, L/kg 310
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 29
600 to 2790
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.3
32 to 57
Strength to Weight: Bending, points 10
26 to 38
Thermal Diffusivity, mm2/s 66
3.3
Thermal Shock Resistance, points 9.5
26 to 45

Alloy Composition


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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), % 98.6 to 99.49
0
Iron (Fe), % 0 to 0.050
10 to 20.5
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
14 to 16
Phosphorus (P), % 0.010 to 0.050
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0.5 to 0.8
0
Residuals, % 0 to 0.5
0