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C69710 Brass vs. ZA-8

C69710 brass belongs to the copper alloys classification, while ZA-8 belongs to the zinc alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C69710 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, % 25
1.3 to 8.0
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 41
34
Shear Strength, MPa 300
240 to 280
Tensile Strength: Ultimate (UTS), MPa 470
210 to 370
Tensile Strength: Yield (Proof), MPa 230
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 240
110
Maximum Temperature: Mechanical, °C 160
100
Melting Completion (Liquidus), °C 930
400
Melting Onset (Solidus), °C 880
380
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
40

Otherwise Unclassified Properties

Base Metal Price, % relative 26
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 310
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 250
260 to 490
Stiffness to Weight: Axial, points 7.3
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 12
42
Thermal Shock Resistance, points 16
7.6 to 13

Alloy Composition


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Aluminum (Al), % 0
8.0 to 8.8
Arsenic (As), % 0.030 to 0.060
0
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 75 to 80
0.8 to 1.3
Iron (Fe), % 0 to 0.2
0 to 0.075
Lead (Pb), % 0.5 to 1.5
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.4
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 2.5 to 3.5
0 to 0.045
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 13.8 to 22
89.7 to 91.2
Residuals, % 0 to 0.5
0