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C68700 Brass vs. C14180 Copper

Both C68700 brass and C14180 copper are copper alloys. They have 78% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is C14180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 390
210
Tensile Strength: Yield (Proof), MPa 140
130

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 970
1080
Melting Onset (Solidus), °C 930
1080
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 100
370
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
31
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
69
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
6.5
Strength to Weight: Bending, points 14
8.8
Thermal Diffusivity, mm2/s 30
110
Thermal Shock Resistance, points 13
7.4

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0 to 0.010
Arsenic (As), % 0.020 to 0.1
0
Copper (Cu), % 76 to 79
99.9 to 100
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
0 to 0.020
Phosphorus (P), % 0
0 to 0.075
Zinc (Zn), % 17.8 to 22.2
0
Residuals, % 0 to 0.5
0