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C87500 Brass vs. C66700 Brass

Both C87500 brass and C66700 brass are copper alloys. They have 84% of their average alloy composition in common. There are 28 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 C87500 brass and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
2.0 to 58
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 460
340 to 690
Tensile Strength: Yield (Proof), MPa 190
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 920
1090
Melting Onset (Solidus), °C 820
1050
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
97
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
17
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
19

Otherwise Unclassified Properties

Base Metal Price, % relative 27
25
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
49 to 1900
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
11 to 23
Strength to Weight: Bending, points 16
13 to 21
Thermal Diffusivity, mm2/s 8.3
30
Thermal Shock Resistance, points 17
11 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 79 to 85
68.5 to 71.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.5
0 to 0.070
Manganese (Mn), % 0
0.8 to 1.5
Silicon (Si), % 3.0 to 5.0
0
Zinc (Zn), % 12 to 16
26.3 to 30.7
Residuals, % 0
0 to 0.5