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CC764S Brass vs. CR004A Copper

Both CC764S brass and CR004A copper 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 CC764S brass and the bottom bar is CR004A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 15
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 680
220
Tensile Strength: Yield (Proof), MPa 290
130

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 850
1090
Melting Onset (Solidus), °C 810
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 94
380
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
100
Electrical Conductivity: Equal Weight (Specific), % IACS 36
100

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 49
41
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
29
Resilience: Unit (Modulus of Resilience), kJ/m3 390
76
Stiffness to Weight: Axial, points 7.6
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
6.8
Strength to Weight: Bending, points 22
9.0
Thermal Diffusivity, mm2/s 30
110
Thermal Shock Resistance, points 22
7.8

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Antimony (Sb), % 0 to 0.050
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 52 to 66
99.9 to 100
Iron (Fe), % 0.5 to 2.5
0
Lead (Pb), % 0 to 0.3
0 to 0.0050
Manganese (Mn), % 0.3 to 4.0
0
Nickel (Ni), % 0 to 3.0
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 20.7 to 50.2
0