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Nickel 625 vs. Z21721 Zinc

Nickel 625 belongs to the nickel alloys classification, while Z21721 zinc belongs to the zinc alloys. 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 nickel 625 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 33 to 34
40
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 79
35
Tensile Strength: Ultimate (UTS), MPa 790 to 910
150
Tensile Strength: Yield (Proof), MPa 320 to 450
120

Thermal Properties

Latent Heat of Fusion, J/g 330
110
Maximum Temperature: Mechanical, °C 980
90
Melting Completion (Liquidus), °C 1350
410
Melting Onset (Solidus), °C 1290
390
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 11
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
37

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 8.6
6.6
Embodied Carbon, kg CO2/kg material 14
2.8
Embodied Energy, MJ/kg 190
53
Embodied Water, L/kg 290
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
57
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
88
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 26 to 29
6.4
Strength to Weight: Bending, points 22 to 24
9.6
Thermal Diffusivity, mm2/s 2.9
44
Thermal Shock Resistance, points 22 to 25
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.4
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 0 to 5.0
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0 to 0.020
Zinc (Zn), % 0
98.9 to 100