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C17500 Copper vs. C68100 Brass

Both C17500 copper and C68100 brass are copper alloys. They have 58% 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 C17500 copper and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 6.0 to 30
29
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 310 to 860
380
Tensile Strength: Yield (Proof), MPa 170 to 760
140

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1060
890
Melting Onset (Solidus), °C 1020
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 200
98
Thermal Expansion, µm/m-K 18
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 60
23
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 4.7
2.8
Embodied Energy, MJ/kg 73
47
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
86
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 2390
94
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.7 to 27
13
Strength to Weight: Bending, points 11 to 23
15
Thermal Diffusivity, mm2/s 59
32
Thermal Shock Resistance, points 11 to 29
13

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0 to 0.010
Beryllium (Be), % 0.4 to 0.7
0
Cobalt (Co), % 2.4 to 2.7
0
Copper (Cu), % 95.6 to 97.2
56 to 60
Iron (Fe), % 0 to 0.1
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Silicon (Si), % 0 to 0.2
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
36.4 to 43
Residuals, % 0 to 0.5
0 to 0.5