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C93500 Bronze vs. R30035 Cobalt

C93500 bronze belongs to the copper alloys classification, while R30035 cobalt belongs to the cobalt alloys. There are 27 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 C93500 bronze and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220 to 230
Elongation at Break, % 15
9.0 to 46
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 38
84 to 89
Tensile Strength: Ultimate (UTS), MPa 220
900 to 1900
Tensile Strength: Yield (Proof), MPa 110
300 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 1000
1440
Melting Onset (Solidus), °C 850
1320
Specific Heat Capacity, J/kg-K 360
440
Thermal Conductivity, W/m-K 70
11
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 15
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
100
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 49
140
Embodied Water, L/kg 350
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
160 to 320
Resilience: Unit (Modulus of Resilience), kJ/m3 59
210 to 5920
Stiffness to Weight: Axial, points 6.3
14 to 15
Stiffness to Weight: Bending, points 17
23 to 24
Strength to Weight: Axial, points 6.9
29 to 61
Strength to Weight: Bending, points 9.1
24 to 39
Thermal Diffusivity, mm2/s 22
3.0
Thermal Shock Resistance, points 8.5
23 to 46

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.3
0
Boron (B), % 0
0 to 0.015
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
29.1 to 39
Copper (Cu), % 83 to 86
0
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 8.0 to 10
0
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0 to 1.0
33 to 37
Phosphorus (P), % 0 to 1.5
0 to 0.015
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.080
0 to 0.010
Tin (Sn), % 4.3 to 6.0
0
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 1.0
0