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CR014A Copper vs. CC762S Brass

Both CR014A copper and CC762S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% 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 CR014A copper and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
7.3
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 230
840
Tensile Strength: Yield (Proof), MPa 140
540

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
920
Melting Onset (Solidus), °C 1040
870
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 380
51
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
28
Electrical Conductivity: Equal Weight (Specific), % IACS 99
32

Otherwise Unclassified Properties

Base Metal Price, % relative 32
24
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 42
51
Embodied Water, L/kg 340
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
54
Resilience: Unit (Modulus of Resilience), kJ/m3 83
1290
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.1
29
Strength to Weight: Bending, points 9.3
25
Thermal Diffusivity, mm2/s 110
15
Thermal Shock Resistance, points 8.1
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.913 to 99.969
57 to 67
Iron (Fe), % 0
1.5 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0.030 to 0.050
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
13.4 to 36