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CC762S Brass vs. CC767S Brass

Both CC762S brass and CC767S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is CC762S brass and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
86
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
34
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 840
430
Tensile Strength: Yield (Proof), MPa 540
150

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 920
840
Melting Onset (Solidus), °C 870
790
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
32
Electrical Conductivity: Equal Weight (Specific), % IACS 32
36

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
100
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 29
15
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 15
34
Thermal Shock Resistance, points 27
14

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0.1 to 0.8
Antimony (Sb), % 0 to 0.030
0
Copper (Cu), % 57 to 67
58 to 64
Iron (Fe), % 1.5 to 4.0
0 to 0.5
Lead (Pb), % 0 to 0.2
0 to 0.1
Manganese (Mn), % 2.5 to 5.0
0 to 0.5
Nickel (Ni), % 0 to 3.0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0 to 0.2
Tin (Sn), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 13.4 to 36
32.8 to 41.9