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Zamak 2 vs. EN 1.7321 Steel

Zamak 2 belongs to the zinc alloys classification, while EN 1.7321 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is EN 1.7321 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
150 to 170
Elastic (Young's, Tensile) Modulus, GPa 87
190
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 33
73
Tensile Strength: Ultimate (UTS), MPa 360
490 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Maximum Temperature: Mechanical, °C 95
410
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
45
Thermal Expansion, µm/m-K 28
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 35
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.5
Density, g/cm3 6.5
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 57
20
Embodied Water, L/kg 380
50

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
17 to 52
Strength to Weight: Bending, points 17
18 to 36
Thermal Diffusivity, mm2/s 41
12
Thermal Shock Resistance, points 11
14 to 43

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
0.3 to 0.6
Copper (Cu), % 2.5 to 3.3
0 to 0.25
Iron (Fe), % 0 to 0.1
97.1 to 98.4
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0.7 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.5
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.030
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0