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Zamak 2 vs. SAE-AISI D7 Steel

Zamak 2 belongs to the zinc alloys classification, while SAE-AISI D7 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 2 and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
190
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
73
Tensile Strength: Ultimate (UTS), MPa 360
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 130
270
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
27
Thermal Expansion, µm/m-K 28
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 6.5
7.6
Embodied Carbon, kg CO2/kg material 3.0
11
Embodied Energy, MJ/kg 57
180
Embodied Water, L/kg 380
130

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
29 to 78
Strength to Weight: Bending, points 17
25 to 48
Thermal Diffusivity, mm2/s 41
7.4
Thermal Shock Resistance, points 11
27 to 72

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
2.2 to 2.5
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 2.5 to 3.3
0 to 0.25
Iron (Fe), % 0 to 0.1
76.6 to 81.9
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0 to 0.020
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Vanadium (V), % 0
3.8 to 4.4
Zinc (Zn), % 92.2 to 94
0