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CC762S Brass vs. G-CoCr28 Cobalt

CC762S brass belongs to the copper alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC762S brass and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 7.3
6.7
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 43
83
Tensile Strength: Ultimate (UTS), MPa 840
560
Tensile Strength: Yield (Proof), MPa 540
260

Thermal Properties

Latent Heat of Fusion, J/g 200
320
Maximum Temperature: Mechanical, °C 160
1200
Melting Completion (Liquidus), °C 920
1330
Melting Onset (Solidus), °C 870
1270
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 51
8.5
Thermal Expansion, µm/m-K 20
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
100
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.1
6.2
Embodied Energy, MJ/kg 51
84
Embodied Water, L/kg 350
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
31
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
160
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 15
2.2
Thermal Shock Resistance, points 27
14

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 57 to 67
0
Iron (Fe), % 1.5 to 4.0
9.7 to 24.5
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 3.0
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.1
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0