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C85400 Brass vs. CC760S Brass

Both C85400 brass and CC760S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is C85400 brass and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
51
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 23
22
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 220
180
Tensile Strength: Yield (Proof), MPa 85
80

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 940
1000
Melting Onset (Solidus), °C 940
940
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 89
150
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
38
Electrical Conductivity: Equal Weight (Specific), % IACS 22
40

Otherwise Unclassified Properties

Base Metal Price, % relative 25
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 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
33
Resilience: Unit (Modulus of Resilience), kJ/m3 35
29
Stiffness to Weight: Axial, points 7.0
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.5
5.8
Strength to Weight: Bending, points 9.9
8.2
Thermal Diffusivity, mm2/s 28
45
Thermal Shock Resistance, points 7.6
6.2

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.010
Arsenic (As), % 0
0.050 to 0.15
Copper (Cu), % 65 to 70
83 to 88
Iron (Fe), % 0 to 0.7
0 to 0.15
Lead (Pb), % 1.5 to 3.8
0 to 0.5
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 1.0
0 to 0.1
Silicon (Si), % 0 to 0.050
0 to 0.020
Tin (Sn), % 0.5 to 1.5
0 to 0.3
Zinc (Zn), % 24 to 32
10.7 to 17
Residuals, % 0 to 1.1
0