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C26000 Brass vs. Z21721 Zinc

C26000 brass belongs to the copper alloys classification, while Z21721 zinc belongs to the zinc alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C26000 brass and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 2.5 to 66
40
Poisson's Ratio 0.31
0.25
Shear Modulus, GPa 41
35
Tensile Strength: Ultimate (UTS), MPa 320 to 680
150
Tensile Strength: Yield (Proof), MPa 110 to 570
120

Thermal Properties

Latent Heat of Fusion, J/g 180
110
Maximum Temperature: Mechanical, °C 140
90
Melting Completion (Liquidus), °C 950
410
Melting Onset (Solidus), °C 920
390
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 31
37

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 8.2
6.6
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
57
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
88
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 11 to 23
6.4
Strength to Weight: Bending, points 13 to 21
9.6
Thermal Diffusivity, mm2/s 38
44
Thermal Shock Resistance, points 11 to 23
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Bismuth (Bi), % 0 to 0.0059
0
Cadmium (Cd), % 0
0 to 0.070
Copper (Cu), % 68.5 to 71.5
0 to 0.0050
Iron (Fe), % 0 to 0.050
0 to 0.010
Lead (Pb), % 0 to 0.070
0 to 1.0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 28.1 to 31.5
98.9 to 100
Residuals, % 0 to 0.3
0