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CC762S Brass vs. CC765S Brass

Both CC762S brass and CC765S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is CC762S brass and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
21
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 840
540
Tensile Strength: Yield (Proof), MPa 540
220

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 920
860
Melting Onset (Solidus), °C 870
820
Specific Heat Capacity, J/kg-K 420
400
Thermal Conductivity, W/m-K 51
91
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
30
Electrical Conductivity: Equal Weight (Specific), % IACS 32
34

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
90
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
220
Stiffness to Weight: Axial, points 7.8
7.6
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 15
28
Thermal Shock Resistance, points 27
17

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0.5 to 2.5
Antimony (Sb), % 0 to 0.030
0 to 0.080
Copper (Cu), % 57 to 67
51 to 65
Iron (Fe), % 1.5 to 4.0
0.5 to 2.0
Lead (Pb), % 0 to 0.2
0 to 0.5
Manganese (Mn), % 2.5 to 5.0
0.3 to 3.0
Nickel (Ni), % 0 to 3.0
0 to 6.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.1
Tin (Sn), % 0 to 0.2
0 to 1.0
Zinc (Zn), % 13.4 to 36
19.8 to 47.7