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CC755S Brass vs. C99500 Copper

Both CC755S brass and C99500 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% 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 CC755S brass and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 9.5
13
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 390
540
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 820
1090
Melting Onset (Solidus), °C 780
1040
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
10
Electrical Conductivity: Equal Weight (Specific), % IACS 30
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
63
Resilience: Unit (Modulus of Resilience), kJ/m3 290
410
Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
17
Strength to Weight: Bending, points 15
17
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0.5 to 2.0
Copper (Cu), % 59.5 to 61
82.5 to 92
Iron (Fe), % 0.050 to 0.2
3.0 to 5.0
Lead (Pb), % 1.2 to 1.7
0 to 0.25
Manganese (Mn), % 0 to 0.050
0 to 0.5
Nickel (Ni), % 0 to 0.2
3.5 to 5.5
Silicon (Si), % 0 to 0.050
0.5 to 2.0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0.5 to 2.0
Residuals, % 0
0 to 0.3