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ZA-8 vs. C77400 Nickel Silver

ZA-8 belongs to the zinc alloys classification, while C77400 nickel silver belongs to the copper alloys. They have 46% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ZA-8 and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85 to 86
110
Elongation at Break, % 1.3 to 8.0
25
Poisson's Ratio 0.26
0.3
Rockwell B Hardness 54 to 65
73
Shear Modulus, GPa 34
42
Shear Strength, MPa 240 to 280
360
Tensile Strength: Ultimate (UTS), MPa 210 to 370
570
Tensile Strength: Yield (Proof), MPa 210 to 290
250

Thermal Properties

Latent Heat of Fusion, J/g 110
170
Maximum Temperature: Mechanical, °C 100
130
Melting Completion (Liquidus), °C 400
810
Melting Onset (Solidus), °C 380
770
Specific Heat Capacity, J/kg-K 440
390
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 40
31

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 6.3
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 62
57
Embodied Water, L/kg 420
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 28
120
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
290
Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 9.3 to 17
20
Strength to Weight: Bending, points 12 to 18
19
Thermal Shock Resistance, points 7.6 to 13
18

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
43 to 47
Iron (Fe), % 0 to 0.075
0
Lead (Pb), % 0 to 0.0060
0 to 0.2
Magnesium (Mg), % 0.015 to 0.030
0
Nickel (Ni), % 0 to 0.020
9.0 to 11
Silicon (Si), % 0 to 0.045
0
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 89.7 to 91.2
41.3 to 48
Residuals, % 0
0 to 0.5