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CC767S Brass vs. CR011A Copper

Both CC767S brass and CR011A copper 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 CC767S brass and the bottom bar is CR011A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 34
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 430
220
Tensile Strength: Yield (Proof), MPa 150
130

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 840
1090
Melting Onset (Solidus), °C 790
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
390
Thermal Expansion, µm/m-K 21
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
29
Resilience: Unit (Modulus of Resilience), kJ/m3 100
76
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
6.8
Strength to Weight: Bending, points 16
9.0
Thermal Diffusivity, mm2/s 34
110
Thermal Shock Resistance, points 14
7.8

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 58 to 64
99.88 to 99.97
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Oxygen (O), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
0.030 to 0.050
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 32.8 to 41.9
0