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ZA-8 vs. C27200 Brass

ZA-8 belongs to the zinc alloys classification, while C27200 brass belongs to the copper alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ZA-8 and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85 to 86
110
Elongation at Break, % 1.3 to 8.0
10 to 50
Poisson's Ratio 0.26
0.31
Rockwell B Hardness 54 to 65
53 to 86
Shear Modulus, GPa 34
40
Shear Strength, MPa 240 to 280
230 to 320
Tensile Strength: Ultimate (UTS), MPa 210 to 370
370 to 590
Tensile Strength: Yield (Proof), MPa 210 to 290
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 110
170
Maximum Temperature: Mechanical, °C 100
130
Melting Completion (Liquidus), °C 400
920
Melting Onset (Solidus), °C 380
870
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
28
Electrical Conductivity: Equal Weight (Specific), % IACS 40
31

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 6.3
8.1
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 62
45
Embodied Water, L/kg 420
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 28
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
110 to 810
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 9.3 to 17
13 to 20
Strength to Weight: Bending, points 12 to 18
14 to 19
Thermal Diffusivity, mm2/s 42
37
Thermal Shock Resistance, points 7.6 to 13
12 to 20

Alloy Composition


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Aluminum (Al), % 8.0 to 8.8
0
Cadmium (Cd), % 0 to 0.0060
0
Copper (Cu), % 0.8 to 1.3
62 to 65
Iron (Fe), % 0 to 0.075
0 to 0.070
Lead (Pb), % 0 to 0.0060
0 to 0.070
Magnesium (Mg), % 0.015 to 0.030
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.045
0
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 89.7 to 91.2
34.6 to 38
Residuals, % 0
0 to 0.3

Comparable Variants