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CR007A Copper vs. C85800 Brass

Both CR007A copper and C85800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% 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 C85800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
15
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 230
380
Tensile Strength: Yield (Proof), MPa 140
210

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1040
870
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 380
84
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
20
Electrical Conductivity: Equal Weight (Specific), % IACS 100
22

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 9.0
8.0
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
48
Resilience: Unit (Modulus of Resilience), kJ/m3 83
210
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.1
13
Strength to Weight: Bending, points 9.3
15
Thermal Diffusivity, mm2/s 110
27
Thermal Shock Resistance, points 8.1
13

Alloy Composition


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Aluminum (Al), % 0
0 to 0.55
Antimony (Sb), % 0 to 0.00040
0 to 0.050
Arsenic (As), % 0 to 0.00050
0 to 0.050
Bismuth (Bi), % 0 to 0.00020
0
Copper (Cu), % 99.994 to 100
57 to 69
Iron (Fe), % 0 to 0.0010
0 to 0.5
Lead (Pb), % 0 to 0.00050
0 to 1.5
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.25
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.050
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
31 to 41
Residuals, % 0
0 to 1.3