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CR019A Copper vs. CC766S Brass

Both CR019A copper and CC766S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CR019A copper and the bottom bar is CC766S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
28
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
500
Tensile Strength: Yield (Proof), MPa 130
190

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1090
840
Melting Onset (Solidus), °C 1040
800
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
89
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
32
Electrical Conductivity: Equal Weight (Specific), % IACS 100
36

Otherwise Unclassified Properties

Base Metal Price, % relative 35
24
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
180
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.8
17
Strength to Weight: Bending, points 9.0
18
Thermal Diffusivity, mm2/s 110
28
Thermal Shock Resistance, points 7.8
17

Alloy Composition

Aluminum (Al), % 0
0.3 to 1.8
Antimony (Sb), % 0
0 to 0.1
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.874 to 99.92
58 to 64
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 2.0
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0.080 to 0.12
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
29.5 to 41.7