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ACI-ASTM CA15M Steel vs. Zamak 2

ACI-ASTM CA15M 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 (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
100
Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 20
6.0
Fatigue Strength, MPa 330
59
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 76
33
Tensile Strength: Ultimate (UTS), MPa 690
360
Tensile Strength: Yield (Proof), MPa 510
270

Thermal Properties

Latent Heat of Fusion, J/g 270
130
Maximum Temperature: Mechanical, °C 760
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 27
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 7.8
6.5
Embodied Carbon, kg CO2/kg material 2.1
3.0
Embodied Energy, MJ/kg 29
57
Embodied Water, L/kg 100
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
20
Resilience: Unit (Modulus of Resilience), kJ/m3 670
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 7.2
41
Thermal Shock Resistance, points 25
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
2.5 to 3.3
Iron (Fe), % 82.1 to 88.4
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), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.65
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