MakeItFrom.com
Menu (ESC)

C95820 Bronze vs. R31537 Cobalt

C95820 bronze belongs to the copper alloys classification, while R31537 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 C95820 bronze and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 15
14 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
87
Tensile Strength: Ultimate (UTS), MPa 730
1000 to 1340
Tensile Strength: Yield (Proof), MPa 310
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 230
320
Melting Completion (Liquidus), °C 1080
1360
Melting Onset (Solidus), °C 1020
1290
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 38
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 3.5
8.1
Embodied Energy, MJ/kg 56
110
Embodied Water, L/kg 380
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 400
780 to 1990
Stiffness to Weight: Axial, points 8.0
15
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 24
33 to 44
Strength to Weight: Bending, points 22
26 to 32
Thermal Diffusivity, mm2/s 11
3.4
Thermal Shock Resistance, points 25
24 to 32

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 77.5 to 82.5
0
Iron (Fe), % 4.0 to 5.0
0 to 0.75
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 4.5 to 5.8
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Silicon (Si), % 0 to 0.1
0 to 1.0
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.8
0