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Zamak 7 vs. Grade TDC Steel

Zamak 7 belongs to the zinc alloys classification, while grade TDC 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 7 and the bottom bar is grade TDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
510
Elastic (Young's, Tensile) Modulus, GPa 86
190
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
80
Tensile Strength: Ultimate (UTS), MPa 280
1700

Thermal Properties

Latent Heat of Fusion, J/g 120
250
Maximum Temperature: Mechanical, °C 95
400
Melting Completion (Liquidus), °C 390
1450
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
51
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.9
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 57
19
Embodied Water, L/kg 380
47

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
60
Strength to Weight: Bending, points 15
40
Thermal Diffusivity, mm2/s 43
14
Thermal Shock Resistance, points 8.6
50

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.075
98 to 99.4
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0.5 to 1.2
Nickel (Ni), % 0.0050 to 0.020
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.1 to 0.35
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0