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CC331G Bronze vs. EN 2.4964 Cobalt

CC331G bronze belongs to the copper alloys classification, while EN 2.4964 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 CC331G bronze and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 20
40
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
86
Tensile Strength: Ultimate (UTS), MPa 620
960
Tensile Strength: Yield (Proof), MPa 240
390

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Melting Completion (Liquidus), °C 1060
1630
Melting Onset (Solidus), °C 1000
1550
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 61
15
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 14
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.3
9.6
Embodied Carbon, kg CO2/kg material 3.2
9.8
Embodied Energy, MJ/kg 53
140
Embodied Water, L/kg 390
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
310
Resilience: Unit (Modulus of Resilience), kJ/m3 250
340
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 17
3.9
Thermal Shock Resistance, points 22
25

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 83 to 86.5
0
Iron (Fe), % 1.5 to 3.5
0 to 3.0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 1.5
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.2
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.5
0