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CC762S Brass vs. CR019A Copper

Both CC762S brass and CR019A copper 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 CC762S brass and the bottom bar is CR019A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.3
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 840
220
Tensile Strength: Yield (Proof), MPa 540
130

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
100
Electrical Conductivity: Equal Weight (Specific), % IACS 32
100

Otherwise Unclassified Properties

Base Metal Price, % relative 24
35
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
42
Embodied Water, L/kg 350
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
29
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
76
Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 29
6.8
Strength to Weight: Bending, points 25
9.0
Thermal Diffusivity, mm2/s 15
110
Thermal Shock Resistance, points 27
7.8

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 57 to 67
99.874 to 99.92
Iron (Fe), % 1.5 to 4.0
0
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0.080 to 0.12
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0