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SAE-AISI A2 Steel vs. Zamak 5

SAE-AISI A2 steel belongs to the iron alloys classification, while Zamak 5 belongs to the zinc alloys. There are 23 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 SAE-AISI A2 steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 74
33
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
330

Thermal Properties

Latent Heat of Fusion, J/g 260
120
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 38
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
37

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
12
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 38
57
Embodied Water, L/kg 73
380

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 73
14
Strength to Weight: Bending, points 23 to 46
16
Thermal Diffusivity, mm2/s 10
42
Thermal Shock Resistance, points 25 to 71
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0.7 to 1.3
Iron (Fe), % 89.4 to 93.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.030
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Vanadium (V), % 0.15 to 0.5
0
Zinc (Zn), % 0
94.3 to 95.7