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CR016A Copper vs. CC765S Brass

Both CR016A copper and CC765S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 58% 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 CR016A copper and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 230
540
Tensile Strength: Yield (Proof), MPa 140
220

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
860
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 390
91
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
30
Electrical Conductivity: Equal Weight (Specific), % IACS 99
34

Otherwise Unclassified Properties

Base Metal Price, % relative 35
24
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 42
51
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
90
Resilience: Unit (Modulus of Resilience), kJ/m3 83
220
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.1
19
Strength to Weight: Bending, points 9.3
18
Thermal Diffusivity, mm2/s 110
28
Thermal Shock Resistance, points 8.1
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.843 to 99.919
51 to 65
Iron (Fe), % 0
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
0.3 to 3.0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0.080 to 0.12
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19.8 to 47.7