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Zamak 2 vs. ACI-ASTM CA40 Steel

Zamak 2 belongs to the zinc alloys classification, while ACI-ASTM CA40 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 2 and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
310
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
10
Fatigue Strength, MPa 59
460
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
76
Tensile Strength: Ultimate (UTS), MPa 360
910
Tensile Strength: Yield (Proof), MPa 270
860

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Maximum Temperature: Mechanical, °C 95
750
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1500
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 28
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 35
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.5
Density, g/cm3 6.5
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 57
28
Embodied Water, L/kg 380
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
89
Resilience: Unit (Modulus of Resilience), kJ/m3 420
1910
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
33
Strength to Weight: Bending, points 17
27
Thermal Diffusivity, mm2/s 41
6.7
Thermal Shock Resistance, points 11
33

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.2 to 0.4
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
81.5 to 88.3
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0