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SAE-AISI T8 Steel vs. Zamak 7

SAE-AISI T8 steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T8 steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
86
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 78
33
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
280

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Melting Completion (Liquidus), °C 1730
390
Melting Onset (Solidus), °C 1670
380
Specific Heat Capacity, J/kg-K 420
410
Thermal Conductivity, W/m-K 18
110
Thermal Expansion, µm/m-K 12
27

Otherwise Unclassified Properties

Base Metal Price, % relative 45
11
Density, g/cm3 9.0
6.4
Embodied Carbon, kg CO2/kg material 10
3.0
Embodied Energy, MJ/kg 160
57
Embodied Water, L/kg 120
380

Common Calculations

Stiffness to Weight: Axial, points 12
7.5
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24 to 66
12
Strength to Weight: Bending, points 21 to 41
15
Thermal Diffusivity, mm2/s 4.8
43
Thermal Shock Resistance, points 24 to 66
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 69.3 to 75.4
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0.0050 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0
Zinc (Zn), % 0
95.3 to 96.5