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C36000 Brass vs. R30008 Cobalt

C36000 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 C36000 brass and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 5.8 to 23
1.1 to 73
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 39
83
Tensile Strength: Ultimate (UTS), MPa 330 to 530
950 to 1700
Tensile Strength: Yield (Proof), MPa 140 to 260
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Melting Completion (Liquidus), °C 900
1400
Melting Onset (Solidus), °C 890
1330
Specific Heat Capacity, J/kg-K 380
450
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
95
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 2.6
8.1
Embodied Energy, MJ/kg 45
110
Embodied Water, L/kg 320
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 89 to 340
590 to 2720
Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 11 to 18
31 to 56
Strength to Weight: Bending, points 13 to 18
25 to 37
Thermal Shock Resistance, points 11 to 18
25 to 44

Alloy Composition


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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), % 60 to 63
0
Iron (Fe), % 0 to 0.35
7.6 to 20
Lead (Pb), % 2.5 to 3.7
0
Manganese (Mn), % 0
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), % 32.5 to 37.5
0
Residuals, % 0 to 0.5
0