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Z21721 Zinc vs. Nickel 684

Z21721 zinc belongs to the zinc alloys classification, while nickel 684 belongs to the nickel alloys. There are 24 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 Z21721 zinc and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 40
11
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 35
76
Tensile Strength: Ultimate (UTS), MPa 150
1190
Tensile Strength: Yield (Proof), MPa 120
800

Thermal Properties

Latent Heat of Fusion, J/g 110
320
Maximum Temperature: Mechanical, °C 90
1000
Melting Completion (Liquidus), °C 410
1370
Melting Onset (Solidus), °C 390
1320
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 6.6
8.3
Embodied Carbon, kg CO2/kg material 2.8
10
Embodied Energy, MJ/kg 53
140
Embodied Water, L/kg 340
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
120
Resilience: Unit (Modulus of Resilience), kJ/m3 88
1610
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 6.4
40
Strength to Weight: Bending, points 9.6
30
Thermal Shock Resistance, points 4.8
34

Alloy Composition

Aluminum (Al), % 0 to 0.0020
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0 to 0.0050
0 to 0.15
Iron (Fe), % 0 to 0.010
0 to 4.0
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
42.7 to 64
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.020
2.5 to 3.3
Zinc (Zn), % 98.9 to 100
0