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CR007A Copper vs. CC753S Brass

Both CR007A copper and CC753S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% 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 CR007A copper and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 230
340
Tensile Strength: Yield (Proof), MPa 140
170

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
820
Melting Onset (Solidus), °C 1040
780
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
99
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
26
Electrical Conductivity: Equal Weight (Specific), % IACS 100
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
47
Resilience: Unit (Modulus of Resilience), kJ/m3 83
140
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
12
Strength to Weight: Bending, points 9.3
13
Thermal Diffusivity, mm2/s 110
32
Thermal Shock Resistance, points 8.1
11

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.8
Antimony (Sb), % 0 to 0.00040
0 to 0.050
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Copper (Cu), % 99.994 to 100
56.8 to 60.5
Iron (Fe), % 0 to 0.0010
0.5 to 0.8
Lead (Pb), % 0 to 0.00050
1.8 to 2.5
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0.5 to 1.2
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.050
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 0
33.1 to 40