MakeItFrom.com
Menu (ESC)

C66900 Brass vs. R30008 Cobalt

C66900 brass belongs to the copper alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 1.1 to 26
1.1 to 73
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 45
83
Tensile Strength: Ultimate (UTS), MPa 460 to 770
950 to 1700
Tensile Strength: Yield (Proof), MPa 330 to 760
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 860
1400
Melting Onset (Solidus), °C 850
1330
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 20
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
95
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.1
Embodied Energy, MJ/kg 46
110
Embodied Water, L/kg 310
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
590 to 2720
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15 to 26
31 to 56
Strength to Weight: Bending, points 16 to 23
25 to 37
Thermal Shock Resistance, points 14 to 23
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 62.5 to 64.5
0
Iron (Fe), % 0 to 0.25
7.6 to 20
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0
15 to 18
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0 to 0.2
0