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C91600 Bronze vs. R30035 Cobalt

C91600 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 (4, in this case) are not shown.

For each property being compared, the top bar is C91600 bronze and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220 to 230
Elongation at Break, % 11
9.0 to 46
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
84 to 89
Tensile Strength: Ultimate (UTS), MPa 310
900 to 1900
Tensile Strength: Yield (Proof), MPa 160
300 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1030
1440
Melting Onset (Solidus), °C 860
1320
Specific Heat Capacity, J/kg-K 370
440
Thermal Conductivity, W/m-K 71
11
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
100
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 3.7
10
Embodied Energy, MJ/kg 61
140
Embodied Water, L/kg 390
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
160 to 320
Resilience: Unit (Modulus of Resilience), kJ/m3 120
210 to 5920
Stiffness to Weight: Axial, points 7.0
14 to 15
Stiffness to Weight: Bending, points 18
23 to 24
Strength to Weight: Axial, points 9.9
29 to 61
Strength to Weight: Bending, points 12
24 to 39
Thermal Diffusivity, mm2/s 22
3.0
Thermal Shock Resistance, points 11
23 to 46

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
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), % 85.9 to 89.1
0
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 1.2 to 2.0
33 to 37
Phosphorus (P), % 0 to 0.3
0 to 0.015
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.050
0 to 0.010
Tin (Sn), % 9.7 to 10.8
0
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.25
0