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CC763S Brass vs. CC767S Brass

Both CC763S brass and CC767S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 93% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC763S brass and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
86
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
34
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 490
430
Tensile Strength: Yield (Proof), MPa 270
150

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 140
120
Melting Completion (Liquidus), °C 870
840
Melting Onset (Solidus), °C 830
790
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
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 2.9
2.7
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
100
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 1.0 to 2.5
0.1 to 0.8
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 56.5 to 67
58 to 64
Iron (Fe), % 0.5 to 2.0
0 to 0.5
Lead (Pb), % 0 to 1.5
0 to 0.1
Manganese (Mn), % 1.0 to 3.5
0 to 0.5
Nickel (Ni), % 0 to 2.5
0 to 1.0
Silicon (Si), % 0 to 1.0
0 to 0.2
Tin (Sn), % 0 to 1.0
0 to 0.1
Zinc (Zn), % 18.9 to 41
32.8 to 41.9