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Zamak 2 vs. ACI-ASTM CF3M Steel

Zamak 2 belongs to the zinc alloys classification, while ACI-ASTM CF3M 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 CF3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
150
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
55
Fatigue Strength, MPa 59
270
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
78
Tensile Strength: Ultimate (UTS), MPa 360
520
Tensile Strength: Yield (Proof), MPa 270
260

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Maximum Temperature: Mechanical, °C 95
990
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 28
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 6.5
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 57
53
Embodied Water, L/kg 380
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
240
Resilience: Unit (Modulus of Resilience), kJ/m3 420
170
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 41
4.3
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 21
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
59.9 to 72
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.020
9.0 to 13
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