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C87500 Brass vs. ZA-8

C87500 brass belongs to the copper alloys classification, while ZA-8 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
85 to 86
Elongation at Break, % 18
1.3 to 8.0
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 42
34
Tensile Strength: Ultimate (UTS), MPa 460
210 to 370
Tensile Strength: Yield (Proof), MPa 190
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 260
110
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 920
400
Melting Onset (Solidus), °C 820
380
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 28
120
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
28
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
40

Otherwise Unclassified Properties

Base Metal Price, % relative 27
11
Density, g/cm3 8.3
6.3
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
62
Embodied Water, L/kg 300
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 160
260 to 490
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 16
9.3 to 17
Strength to Weight: Bending, points 16
12 to 18
Thermal Diffusivity, mm2/s 8.3
42
Thermal Shock Resistance, points 17
7.6 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.5
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 79 to 85
0.8 to 1.3
Iron (Fe), % 0
0 to 0.075
Lead (Pb), % 0 to 0.5
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 3.0 to 5.0
0 to 0.045
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 12 to 16
89.7 to 91.2
Residuals, % 0 to 0.5
0