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ACI-ASTM CA40 Steel vs. Zamak 2

ACI-ASTM CA40 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 CA40 steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
100
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 10
6.0
Fatigue Strength, MPa 460
59
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 76
33
Tensile Strength: Ultimate (UTS), MPa 910
360
Tensile Strength: Yield (Proof), MPa 860
270

Thermal Properties

Latent Heat of Fusion, J/g 280
130
Maximum Temperature: Mechanical, °C 750
95
Melting Completion (Liquidus), °C 1440
390
Melting Onset (Solidus), °C 1500
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 10
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
35

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
12
Density, g/cm3 7.7
6.5
Embodied Carbon, kg CO2/kg material 2.0
3.0
Embodied Energy, MJ/kg 28
57
Embodied Water, L/kg 100
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
20
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 33
15
Strength to Weight: Bending, points 27
17
Thermal Diffusivity, mm2/s 6.7
41
Thermal Shock Resistance, points 33
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.2 to 0.4
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
2.5 to 3.3
Iron (Fe), % 81.5 to 88.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
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
92.2 to 94