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CC754S Brass vs. R30008 Cobalt

CC754S 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 CC754S 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, % 11
1.1 to 73
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
83
Tensile Strength: Ultimate (UTS), MPa 320
950 to 1700
Tensile Strength: Yield (Proof), MPa 160
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Melting Completion (Liquidus), °C 830
1400
Melting Onset (Solidus), °C 780
1330
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
95
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.1
Embodied Energy, MJ/kg 47
110
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130
590 to 2720
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 11
31 to 56
Strength to Weight: Bending, points 13
25 to 37
Thermal Shock Resistance, points 10
25 to 44

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
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), % 57 to 63
0
Iron (Fe), % 0 to 0.7
7.6 to 20
Lead (Pb), % 0.5 to 2.5
0
Manganese (Mn), % 0 to 0.5
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 1.0
15 to 18
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.3
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 30.2 to 42.5
0