MakeItFrom.com
Menu (ESC)

R30016 Cobalt vs. C38500 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C38500 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 8.4
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 85
37
Tensile Strength: Ultimate (UTS), MPa 1010
370
Tensile Strength: Yield (Proof), MPa 580
130

Thermal Properties

Latent Heat of Fusion, J/g 320
160
Melting Completion (Liquidus), °C 1360
890
Melting Onset (Solidus), °C 1270
880
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
31

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 110
45
Embodied Water, L/kg 500
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
48
Resilience: Unit (Modulus of Resilience), kJ/m3 770
78
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 33
13
Strength to Weight: Bending, points 26
14
Thermal Diffusivity, mm2/s 3.9
40
Thermal Shock Resistance, points 24
12

Alloy Composition

Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
55 to 59
Iron (Fe), % 0 to 3.0
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0.2 to 2.0
0
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5