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CC751S Brass vs. G-CoCr28 Cobalt

CC751S 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 CC751S 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, % 5.6
6.7
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
83
Tensile Strength: Ultimate (UTS), MPa 450
560
Tensile Strength: Yield (Proof), MPa 320
260

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Maximum Temperature: Mechanical, °C 130
1200
Melting Completion (Liquidus), °C 850
1330
Melting Onset (Solidus), °C 810
1270
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
8.5
Thermal Expansion, µm/m-K 20
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
100
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 46
84
Embodied Water, L/kg 330
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
31
Resilience: Unit (Modulus of Resilience), kJ/m3 480
160
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 35
2.2
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 62.7 to 66
0
Iron (Fe), % 0.25 to 0.5
9.7 to 24.5
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.8
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.65 to 1.1
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0