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CC760S Brass vs. C87400 Brass

Both CC760S brass and C87400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 96% 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 CC760S brass and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
21
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 180
390
Tensile Strength: Yield (Proof), MPa 80
160

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1000
920
Melting Onset (Solidus), °C 940
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 150
28
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 40
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 28
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
65
Resilience: Unit (Modulus of Resilience), kJ/m3 29
120
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 5.8
13
Strength to Weight: Bending, points 8.2
14
Thermal Diffusivity, mm2/s 45
8.3
Thermal Shock Resistance, points 6.2
14

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.8
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
79 to 85.5
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0 to 0.5
0 to 1.0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 0 to 0.020
2.5 to 4.0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 10.7 to 17
12 to 16
Residuals, % 0
0 to 0.8