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ACI-ASTM CN3M Steel vs. Zamak 5

ACI-ASTM CN3M 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 CN3M steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
92
Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 34
6.3
Fatigue Strength, MPa 150
56
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 80
33
Tensile Strength: Ultimate (UTS), MPa 500
330
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 310
120
Maximum Temperature: Mechanical, °C 1100
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 13
110
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
26
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
37

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.1
6.4
Embodied Carbon, kg CO2/kg material 5.9
3.0
Embodied Energy, MJ/kg 80
57
Embodied Water, L/kg 200
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
19
Resilience: Unit (Modulus of Resilience), kJ/m3 89
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 3.4
42
Thermal Shock Resistance, points 11
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), % 20 to 22
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 42.4 to 52.5
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 23 to 27
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
94.3 to 95.7