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C68700 Brass vs. CC760S Brass

Both C68700 brass and CC760S brass are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 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 C68700 brass and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 390
180
Tensile Strength: Yield (Proof), MPa 140
80

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 970
1000
Melting Onset (Solidus), °C 930
940
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
38
Electrical Conductivity: Equal Weight (Specific), % IACS 25
40

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
29
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
5.8
Strength to Weight: Bending, points 14
8.2
Thermal Diffusivity, mm2/s 30
45
Thermal Shock Resistance, points 13
6.2

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0 to 0.010
Arsenic (As), % 0.020 to 0.1
0.050 to 0.15
Copper (Cu), % 76 to 79
83 to 88
Iron (Fe), % 0 to 0.060
0 to 0.15
Lead (Pb), % 0 to 0.070
0 to 0.5
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.020
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 17.8 to 22.2
10.7 to 17
Residuals, % 0 to 0.5
0