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Zamak 7 vs. 50Cr-50Ni Alloy

Zamak 7 belongs to the zinc alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
210
Elongation at Break, % 13
5.7
Poisson's Ratio 0.25
0.26
Shear Modulus, GPa 33
84
Tensile Strength: Ultimate (UTS), MPa 280
620
Tensile Strength: Yield (Proof), MPa 250
390

Thermal Properties

Latent Heat of Fusion, J/g 120
350
Specific Heat Capacity, J/kg-K 410
490
Thermal Expansion, µm/m-K 27
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
50
Density, g/cm3 6.4
8.0
Embodied Carbon, kg CO2/kg material 3.0
7.9
Embodied Energy, MJ/kg 57
110
Embodied Water, L/kg 380
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
31
Resilience: Unit (Modulus of Resilience), kJ/m3 370
350
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 15
20
Thermal Shock Resistance, points 8.6
14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.25
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
48 to 52
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
0 to 1.0
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0.0050 to 0.020
44.5 to 52
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 95.3 to 96.5
0