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Z21721 Zinc vs. AWS ERNiCrMo-2

Z21721 zinc belongs to the zinc alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
210
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
81
Tensile Strength: Ultimate (UTS), MPa 150
750

Thermal Properties

Latent Heat of Fusion, J/g 110
320
Melting Completion (Liquidus), °C 410
1460
Melting Onset (Solidus), °C 390
1410
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 37
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
55
Density, g/cm3 6.6
8.4
Embodied Carbon, kg CO2/kg material 2.8
9.2
Embodied Energy, MJ/kg 53
120
Embodied Water, L/kg 340
270

Common Calculations

Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 6.4
25
Strength to Weight: Bending, points 9.6
22
Thermal Diffusivity, mm2/s 44
2.9
Thermal Shock Resistance, points 4.8
20

Alloy Composition


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Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0 to 0.0050
0 to 0.5
Iron (Fe), % 0 to 0.010
17 to 20
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0
0.2 to 1.0
Zinc (Zn), % 98.9 to 100
0
Residuals, % 0
0 to 0.5