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Zamak 2 vs. ACI-ASTM CG3M Steel

Zamak 2 belongs to the zinc alloys classification, while ACI-ASTM CG3M 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 CG3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
170
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
28
Fatigue Strength, MPa 59
200
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
79
Tensile Strength: Ultimate (UTS), MPa 360
580
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Maximum Temperature: Mechanical, °C 95
1020
Melting Completion (Liquidus), °C 390
1450
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 28
16

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
20
Density, g/cm3 6.5
7.9
Embodied Carbon, kg CO2/kg material 3.0
4.1
Embodied Energy, MJ/kg 57
56
Embodied Water, L/kg 380
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
130
Resilience: Unit (Modulus of Resilience), kJ/m3 420
190
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 41
4.1
Thermal Shock Resistance, points 11
13

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
18 to 21
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
58.9 to 70
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
3.0 to 4.0
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