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C70260 Copper vs. C87500 Brass

Both C70260 copper and C87500 brass are copper alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C70260 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, % 9.5 to 19
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 520 to 760
460
Tensile Strength: Yield (Proof), MPa 410 to 650
190

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1060
920
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 160
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 50
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 40 to 51
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 46 to 140
67
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 1810
160
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 16 to 24
16
Strength to Weight: Bending, points 16 to 21
16
Thermal Diffusivity, mm2/s 45
8.3
Thermal Shock Resistance, points 18 to 27
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 95.8 to 98.8
79 to 85
Lead (Pb), % 0
0 to 0.5
Nickel (Ni), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.2 to 0.7
3.0 to 5.0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5