MakeItFrom.com
Menu (ESC)

R31538 Cobalt vs. C94400 Bronze

R31538 cobalt belongs to the cobalt alloys classification, while C94400 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R31538 cobalt and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 13 to 23
18
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 86
37
Tensile Strength: Ultimate (UTS), MPa 1020 to 1360
220
Tensile Strength: Yield (Proof), MPa 580 to 930
110

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1360
940
Melting Onset (Solidus), °C 1290
790
Specific Heat Capacity, J/kg-K 450
350
Thermal Conductivity, W/m-K 13
52
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
9.9

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.1
Embodied Carbon, kg CO2/kg material 8.1
3.4
Embodied Energy, MJ/kg 110
54
Embodied Water, L/kg 530
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
33
Resilience: Unit (Modulus of Resilience), kJ/m3 750 to 1920
60
Stiffness to Weight: Axial, points 15
6.1
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 34 to 45
6.8
Strength to Weight: Bending, points 27 to 32
9.0
Thermal Diffusivity, mm2/s 3.5
17
Thermal Shock Resistance, points 25 to 33
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.15 to 0.35
0
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 58.7 to 68.9
0
Copper (Cu), % 0
76.1 to 84
Iron (Fe), % 0 to 0.75
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8