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CR015A Copper vs. C66700 Brass

Both CR015A copper and C66700 brass are copper alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR015A copper and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
2.0 to 58
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 220
340 to 690
Tensile Strength: Yield (Proof), MPa 130
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
1090
Melting Onset (Solidus), °C 1040
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
97
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
17
Electrical Conductivity: Equal Weight (Specific), % IACS 99
19

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 76
49 to 1900
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
11 to 23
Strength to Weight: Bending, points 9.0
13 to 21
Thermal Diffusivity, mm2/s 110
30
Thermal Shock Resistance, points 7.8
11 to 23

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.883 to 99.939
68.5 to 71.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0
0.8 to 1.5
Phosphorus (P), % 0.0010 to 0.0070
0
Silver (Ag), % 0.060 to 0.080
0
Zinc (Zn), % 0
26.3 to 30.7
Residuals, % 0
0 to 0.5