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Zamak 5 vs. SAE-AISI M3 Class 2 Steel

Zamak 5 belongs to the zinc alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
77
Tensile Strength: Ultimate (UTS), MPa 330
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 120
260
Melting Completion (Liquidus), °C 390
1620
Melting Onset (Solidus), °C 380
1570
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 110
26
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 6.4
8.3
Embodied Carbon, kg CO2/kg material 3.0
12
Embodied Energy, MJ/kg 57
180
Embodied Water, L/kg 380
110

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 14
26 to 74
Strength to Weight: Bending, points 16
22 to 45
Thermal Diffusivity, mm2/s 42
7.2
Thermal Shock Resistance, points 9.9
24 to 69

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0.7 to 1.3
0 to 0.25
Iron (Fe), % 0 to 0.1
75.8 to 82.3
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0 to 0.020
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Zinc (Zn), % 94.3 to 95.7
0