MakeItFrom.com
Menu (ESC)

C86300 Bronze vs. R30021 Cobalt

C86300 bronze belongs to the copper alloys classification, while R30021 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 C86300 bronze and the bottom bar is R30021 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 430
1300
Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 14
9.0
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 42
86
Tensile Strength: Ultimate (UTS), MPa 850
700
Tensile Strength: Yield (Proof), MPa 480
500

Thermal Properties

Latent Heat of Fusion, J/g 200
330
Melting Completion (Liquidus), °C 920
1350
Melting Onset (Solidus), °C 890
1190
Specific Heat Capacity, J/kg-K 420
450
Thermal Conductivity, W/m-K 35
15
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.0
8.0
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 360
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
57
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
570
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 30
23
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 28
21

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
Aluminum (Al), % 5.0 to 7.5
0
Carbon (C), % 0
0.2 to 0.35
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
61.7 to 67.3
Copper (Cu), % 60 to 66
0
Iron (Fe), % 2.0 to 4.0
0 to 3.0
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0
Molybdenum (Mo), % 0
4.5 to 6.0
Nickel (Ni), % 0 to 1.0
2.0 to 3.0
Silicon (Si), % 0
0 to 1.5
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
0
Residuals, % 0 to 1.0
0