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CC755S Brass vs. C17500 Copper

Both CC755S brass and C17500 copper are copper alloys. They have 60% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC755S brass and the bottom bar is C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 9.5
6.0 to 30
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 390
310 to 860
Tensile Strength: Yield (Proof), MPa 250
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 820
1060
Melting Onset (Solidus), °C 780
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
200
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 30
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 23
60
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
4.7
Embodied Energy, MJ/kg 46
73
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
120 to 2390
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 14
9.7 to 27
Strength to Weight: Bending, points 15
11 to 23
Thermal Diffusivity, mm2/s 38
59
Thermal Shock Resistance, points 13
11 to 29

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 59.5 to 61
95.6 to 97.2
Iron (Fe), % 0.050 to 0.2
0 to 0.1
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.050
0 to 0.2
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0
Residuals, % 0
0 to 0.5