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Nickel 725 vs. Zamak 2

Nickel 725 belongs to the nickel alloys classification, while Zamak 2 belongs to the zinc alloys. 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 nickel 725 and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 34
6.0
Fatigue Strength, MPa 260
59
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 78
33
Shear Strength, MPa 580
320
Tensile Strength: Ultimate (UTS), MPa 860
360
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 320
130
Maximum Temperature: Mechanical, °C 980
95
Melting Completion (Liquidus), °C 1340
390
Melting Onset (Solidus), °C 1270
380
Specific Heat Capacity, J/kg-K 440
410
Thermal Expansion, µm/m-K 13
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
35

Otherwise Unclassified Properties

Base Metal Price, % relative 75
12
Density, g/cm3 8.5
6.5
Embodied Carbon, kg CO2/kg material 13
3.0
Embodied Energy, MJ/kg 190
57
Embodied Water, L/kg 270
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
20
Resilience: Unit (Modulus of Resilience), kJ/m3 300
420
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 28
15
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 23
11

Alloy Composition

Aluminum (Al), % 0 to 0.35
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19 to 22.5
0
Copper (Cu), % 0
2.5 to 3.3
Iron (Fe), % 2.3 to 15.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 7.0 to 9.5
0
Nickel (Ni), % 55 to 59
0 to 0.020
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.2
0 to 0.030
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 1.0 to 1.7
0
Zinc (Zn), % 0
92.2 to 94