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G-CoCr28 Cobalt vs. C33000 Brass

G-CoCr28 cobalt belongs to the cobalt alloys classification, while C33000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is C33000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 6.7
7.0 to 60
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 83
40
Tensile Strength: Ultimate (UTS), MPa 560
320 to 520
Tensile Strength: Yield (Proof), MPa 260
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Maximum Temperature: Mechanical, °C 1200
130
Melting Completion (Liquidus), °C 1330
940
Melting Onset (Solidus), °C 1270
900
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 8.5
120
Thermal Expansion, µm/m-K 14
20

Otherwise Unclassified Properties

Base Metal Price, % relative 100
24
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 6.2
2.7
Embodied Energy, MJ/kg 84
45
Embodied Water, L/kg 440
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
60 to 950
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19
11 to 18
Strength to Weight: Bending, points 19
13 to 18
Thermal Diffusivity, mm2/s 2.2
37
Thermal Shock Resistance, points 14
11 to 17

Alloy Composition

Carbon (C), % 0.050 to 0.25
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
65 to 68
Iron (Fe), % 9.7 to 24.5
0 to 0.070
Lead (Pb), % 0
0.25 to 0.7
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
30.8 to 34.8
Residuals, % 0
0 to 0.4