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CC763S Brass vs. C87500 Brass

Both CC763S brass and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC763S brass and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
18
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 490
460
Tensile Strength: Yield (Proof), MPa 270
190

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 870
920
Melting Onset (Solidus), °C 830
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 32
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
67
Resilience: Unit (Modulus of Resilience), kJ/m3 340
160
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 16
17

Alloy Composition

Aluminum (Al), % 1.0 to 2.5
0 to 0.5
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 56.5 to 67
79 to 85
Iron (Fe), % 0.5 to 2.0
0
Lead (Pb), % 0 to 1.5
0 to 0.5
Manganese (Mn), % 1.0 to 3.5
0
Nickel (Ni), % 0 to 2.5
0
Silicon (Si), % 0 to 1.0
3.0 to 5.0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 18.9 to 41
12 to 16
Residuals, % 0
0 to 0.5