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CC760S Brass vs. CC764S Brass

Both CC760S brass and CC764S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is CC760S brass and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
160
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
15
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 180
680
Tensile Strength: Yield (Proof), MPa 80
290

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1000
850
Melting Onset (Solidus), °C 940
810
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 150
94
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
32
Electrical Conductivity: Equal Weight (Specific), % IACS 40
36

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 43
49
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
80
Resilience: Unit (Modulus of Resilience), kJ/m3 29
390
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 5.8
24
Strength to Weight: Bending, points 8.2
22
Thermal Diffusivity, mm2/s 45
30
Thermal Shock Resistance, points 6.2
22

Alloy Composition

Aluminum (Al), % 0 to 0.010
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
52 to 66
Iron (Fe), % 0 to 0.15
0.5 to 2.5
Lead (Pb), % 0 to 0.5
0 to 0.3
Manganese (Mn), % 0 to 0.1
0.3 to 4.0
Nickel (Ni), % 0 to 0.1
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.020
0 to 0.1
Tin (Sn), % 0 to 0.3
0 to 0.3
Zinc (Zn), % 10.7 to 17
20.7 to 50.2