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C17300 Copper vs. C87500 Brass

Both C17300 copper and C87500 brass are copper alloys. They have 83% 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 C17300 copper and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.0 to 23
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
460
Tensile Strength: Yield (Proof), MPa 160 to 1200
190

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Maximum Temperature: Mechanical, °C 270
170
Melting Completion (Liquidus), °C 980
920
Melting Onset (Solidus), °C 870
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 23
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 9.4
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 88
67
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5410
160
Stiffness to Weight: Axial, points 7.6
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 44
16
Strength to Weight: Bending, points 16 to 31
16
Thermal Diffusivity, mm2/s 32
8.3
Thermal Shock Resistance, points 17 to 48
17

Alloy Composition

Aluminum (Al), % 0 to 0.2
0 to 0.5
Beryllium (Be), % 1.8 to 2.0
0
Copper (Cu), % 95.5 to 97.8
79 to 85
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0.2 to 0.6
0 to 0.5
Nickel (Ni), % 0.2 to 0.6
0
Silicon (Si), % 0 to 0.2
3.0 to 5.0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5