MakeItFrom.com
Menu (ESC)

R31538 Cobalt vs. C17500 Copper

R31538 cobalt belongs to the cobalt alloys classification, while C17500 copper belongs to the copper alloys. There are 27 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 C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 13 to 23
6.0 to 30
Fatigue Strength, MPa 310 to 480
170 to 310
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
45
Tensile Strength: Ultimate (UTS), MPa 1020 to 1360
310 to 860
Tensile Strength: Yield (Proof), MPa 580 to 930
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 320
220
Melting Completion (Liquidus), °C 1360
1060
Melting Onset (Solidus), °C 1290
1020
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
200
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
24 to 54

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.1
4.7
Embodied Energy, MJ/kg 110
73
Embodied Water, L/kg 530
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 750 to 1920
120 to 2390
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 34 to 45
9.7 to 27
Strength to Weight: Bending, points 27 to 32
11 to 23
Thermal Diffusivity, mm2/s 3.5
59
Thermal Shock Resistance, points 25 to 33
11 to 29

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Carbon (C), % 0.15 to 0.35
0
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 58.7 to 68.9
2.4 to 2.7
Copper (Cu), % 0
95.6 to 97.2
Iron (Fe), % 0 to 0.75
0 to 0.1
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
0
Nitrogen (N), % 0 to 0.25
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Residuals, % 0
0 to 0.5