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ZA-27 vs. C23400 Brass

ZA-27 belongs to the zinc alloys classification, while C23400 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
110
Poisson's Ratio 0.27
0.32
Rockwell B Hardness 60 to 72
52 to 91
Shear Modulus, GPa 31
42
Tensile Strength: Ultimate (UTS), MPa 400 to 430
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 130
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 480
970
Melting Onset (Solidus), °C 380
930
Specific Heat Capacity, J/kg-K 530
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 26
19

Otherwise Unclassified Properties

Base Metal Price, % relative 11
27
Density, g/cm3 5.0
8.5
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 80
43
Embodied Water, L/kg 570
320

Common Calculations

Stiffness to Weight: Axial, points 8.6
7.2
Stiffness to Weight: Bending, points 28
19
Strength to Weight: Axial, points 22 to 24
12 to 21
Strength to Weight: Bending, points 24 to 25
13 to 19
Thermal Diffusivity, mm2/s 47
36
Thermal Shock Resistance, points 14 to 15
12 to 22

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Copper (Cu), % 2.0 to 2.5
81 to 84
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.0060
0 to 0.050
Magnesium (Mg), % 0.010 to 0.020
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.080
0
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
15.7 to 19
Residuals, % 0
0 to 0.2