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ACI-ASTM CA6NM Steel vs. Zamak 5

ACI-ASTM CA6NM 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 (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
92
Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 17
6.3
Fatigue Strength, MPa 380
56
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
33
Tensile Strength: Ultimate (UTS), MPa 850
330
Tensile Strength: Yield (Proof), MPa 620
240

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 770
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 10
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
26
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
37

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.5
3.0
Embodied Energy, MJ/kg 34
57
Embodied Water, L/kg 110
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
19
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30
14
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 6.7
42
Thermal Shock Resistance, points 31
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 78.4 to 84.6
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
0 to 0.020
Phosphorus (P), % 0 to 0.040
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