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Zamak 5 vs. ACI-ASTM CF8 Steel

Zamak 5 belongs to the zinc alloys classification, while ACI-ASTM CF8 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is ACI-ASTM CF8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
140
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
55
Fatigue Strength, MPa 56
260
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
77
Tensile Strength: Ultimate (UTS), MPa 330
540
Tensile Strength: Yield (Proof), MPa 240
260

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
980
Melting Completion (Liquidus), °C 390
1420
Melting Onset (Solidus), °C 380
1430
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 27
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 57
44
Embodied Water, L/kg 380
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
240
Resilience: Unit (Modulus of Resilience), kJ/m3 330
160
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 42
4.3
Thermal Shock Resistance, points 9.9
13

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
63.8 to 74
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
8.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0