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ACI-ASTM CK3MCuN Steel vs. Zamak 2

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while Zamak 2 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 CK3MCuN steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
100
Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 39
6.0
Fatigue Strength, MPa 250
59
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 80
33
Tensile Strength: Ultimate (UTS), MPa 620
360
Tensile Strength: Yield (Proof), MPa 290
270

Thermal Properties

Latent Heat of Fusion, J/g 300
130
Maximum Temperature: Mechanical, °C 1090
95
Melting Completion (Liquidus), °C 1460
390
Melting Onset (Solidus), °C 1350
380
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 16
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
35

Otherwise Unclassified Properties

Base Metal Price, % relative 29
12
Density, g/cm3 8.0
6.5
Embodied Carbon, kg CO2/kg material 5.6
3.0
Embodied Energy, MJ/kg 76
57
Embodied Water, L/kg 190
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
20
Resilience: Unit (Modulus of Resilience), kJ/m3 210
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 3.2
41
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
2.5 to 3.3
Iron (Fe), % 49.5 to 56.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0 to 0.020
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
92.2 to 94