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ACI-ASTM CG3M Steel vs. Zamak 5

ACI-ASTM CG3M steel belongs to the iron alloys classification, while Zamak 5 belongs to the zinc 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 ACI-ASTM CG3M steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
92
Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 28
6.3
Fatigue Strength, MPa 200
56
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 79
33
Tensile Strength: Ultimate (UTS), MPa 580
330
Tensile Strength: Yield (Proof), MPa 270
240

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Maximum Temperature: Mechanical, °C 1020
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 16
27

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 4.1
3.0
Embodied Energy, MJ/kg 56
57
Embodied Water, L/kg 160
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
19
Resilience: Unit (Modulus of Resilience), kJ/m3 190
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
14
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 4.1
42
Thermal Shock Resistance, points 13
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 58.9 to 70
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 9.0 to 13
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.030
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
94.3 to 95.7