MakeItFrom.com
Menu (ESC)

C18400 Copper vs. R30035 Cobalt

C18400 copper 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 (5, in this case) are not shown.

For each property being compared, the top bar is C18400 copper and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220 to 230
Elongation at Break, % 13 to 50
9.0 to 46
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
84 to 89
Tensile Strength: Ultimate (UTS), MPa 270 to 490
900 to 1900
Tensile Strength: Yield (Proof), MPa 110 to 480
300 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1070
1320
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 320
11
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 81
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
100
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 310
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 120
160 to 320
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 980
210 to 5920
Stiffness to Weight: Axial, points 7.3
14 to 15
Stiffness to Weight: Bending, points 18
23 to 24
Strength to Weight: Axial, points 8.5 to 15
29 to 61
Strength to Weight: Bending, points 10 to 16
24 to 39
Thermal Diffusivity, mm2/s 94
3.0
Thermal Shock Resistance, points 9.6 to 17
23 to 46

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Boron (B), % 0
0 to 0.015
Calcium (Ca), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0.4 to 1.2
19 to 21
Cobalt (Co), % 0
29.1 to 39
Copper (Cu), % 97.2 to 99.6
0
Iron (Fe), % 0 to 0.15
0 to 1.0
Lithium (Li), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.050
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.15
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0 to 0.5
0