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C16500 Copper vs. C68700 Brass

Both C16500 copper and C68700 brass are copper alloys. They have 78% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C16500 copper and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 280 to 530
390
Tensile Strength: Yield (Proof), MPa 97 to 520
140

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 340
160
Melting Completion (Liquidus), °C 1070
970
Melting Onset (Solidus), °C 1010
930
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 250
100
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
23
Electrical Conductivity: Equal Weight (Specific), % IACS 61
25

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1160
90
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.6 to 17
13
Strength to Weight: Bending, points 11 to 16
14
Thermal Diffusivity, mm2/s 74
30
Thermal Shock Resistance, points 9.8 to 19
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Cadmium (Cd), % 0.6 to 1.0
0
Copper (Cu), % 97.8 to 98.9
76 to 79
Iron (Fe), % 0 to 0.020
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Tin (Sn), % 0.5 to 0.7
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5