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ZA-27 vs. C85500 Brass

ZA-27 belongs to the zinc alloys classification, while C85500 brass belongs to the copper alloys. They have 40% of their average alloy composition in common. 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-27 and the bottom bar is C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
85
Elastic (Young's, Tensile) Modulus, GPa 78
100
Elongation at Break, % 2.0 to 4.5
40
Poisson's Ratio 0.27
0.31
Rockwell B Hardness 60 to 72
55
Shear Modulus, GPa 31
40
Tensile Strength: Ultimate (UTS), MPa 400 to 430
410
Tensile Strength: Yield (Proof), MPa 260 to 370
160

Thermal Properties

Latent Heat of Fusion, J/g 130
170
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 480
900
Melting Onset (Solidus), °C 380
890
Specific Heat Capacity, J/kg-K 530
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
26
Electrical Conductivity: Equal Weight (Specific), % IACS 53
29

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 5.0
8.0
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 80
46
Embodied Water, L/kg 570
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
130
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
120
Stiffness to Weight: Axial, points 8.6
7.3
Stiffness to Weight: Bending, points 28
20
Strength to Weight: Axial, points 22 to 24
14
Strength to Weight: Bending, points 24 to 25
15
Thermal Diffusivity, mm2/s 47
38
Thermal Shock Resistance, points 14 to 15
14

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Copper (Cu), % 2.0 to 2.5
59 to 63
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.0060
0 to 0.2
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.020
0 to 0.2
Silicon (Si), % 0 to 0.080
0
Tin (Sn), % 0 to 0.0030
0 to 0.2
Zinc (Zn), % 69.3 to 73
35.1 to 41
Residuals, % 0
0 to 0.9