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Nickel 725 vs. Z21721 Zinc

Nickel 725 belongs to the nickel alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 26 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 nickel 725 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 34
40
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 78
35
Tensile Strength: Ultimate (UTS), MPa 860
150
Tensile Strength: Yield (Proof), MPa 350
120

Thermal Properties

Latent Heat of Fusion, J/g 320
110
Maximum Temperature: Mechanical, °C 980
90
Melting Completion (Liquidus), °C 1340
410
Melting Onset (Solidus), °C 1270
390
Specific Heat Capacity, J/kg-K 440
390
Thermal Expansion, µm/m-K 13
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 75
11
Density, g/cm3 8.5
6.6
Embodied Carbon, kg CO2/kg material 13
2.8
Embodied Energy, MJ/kg 190
53
Embodied Water, L/kg 270
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
57
Resilience: Unit (Modulus of Resilience), kJ/m3 300
88
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 28
6.4
Strength to Weight: Bending, points 24
9.6
Thermal Shock Resistance, points 23
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19 to 22.5
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 2.3 to 15.3
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 7.0 to 9.5
0
Nickel (Ni), % 55 to 59
0
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 1.0 to 1.7
0 to 0.020
Zinc (Zn), % 0
98.9 to 100