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Zamak 5 vs. S44401 Stainless Steel

Zamak 5 belongs to the zinc alloys classification, while S44401 stainless steel belongs to the iron 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 Zamak 5 and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
21
Fatigue Strength, MPa 56
200
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
78
Shear Strength, MPa 260
300
Tensile Strength: Ultimate (UTS), MPa 330
480
Tensile Strength: Yield (Proof), MPa 240
300

Thermal Properties

Latent Heat of Fusion, J/g 120
280
Maximum Temperature: Mechanical, °C 95
930
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
22
Thermal Expansion, µm/m-K 27
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 57
40
Embodied Water, L/kg 380
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
90
Resilience: Unit (Modulus of Resilience), kJ/m3 330
230
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
17
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 42
5.9
Thermal Shock Resistance, points 9.9
17

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
75.1 to 80.6
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0 to 0.020
0 to 1.0
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0.2 to 0.8
Zinc (Zn), % 94.3 to 95.7
0