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CC760S Brass vs. CR007A Copper

Both CC760S brass and CR007A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% 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 CC760S brass and the bottom bar is CR007A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 22
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 180
230
Tensile Strength: Yield (Proof), MPa 80
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1000
1090
Melting Onset (Solidus), °C 940
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 150
380
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
100
Electrical Conductivity: Equal Weight (Specific), % IACS 40
100

Otherwise Unclassified Properties

Base Metal Price, % relative 28
31
Density, g/cm3 8.6
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 43
41
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
31
Resilience: Unit (Modulus of Resilience), kJ/m3 29
83
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 5.8
7.1
Strength to Weight: Bending, points 8.2
9.3
Thermal Diffusivity, mm2/s 45
110
Thermal Shock Resistance, points 6.2
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0.050 to 0.15
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Copper (Cu), % 83 to 88
99.994 to 100
Iron (Fe), % 0 to 0.15
0 to 0.0010
Lead (Pb), % 0 to 0.5
0 to 0.00050
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.020
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 10.7 to 17
0