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Zamak 3 vs. S66286 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while S66286 stainless steel belongs to the iron 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 Zamak 3 and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 11
17 to 40
Fatigue Strength, MPa 48
240 to 410
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
75
Shear Strength, MPa 210
420 to 630
Tensile Strength: Ultimate (UTS), MPa 280
620 to 1020
Tensile Strength: Yield (Proof), MPa 210
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
920
Melting Completion (Liquidus), °C 390
1430
Melting Onset (Solidus), °C 380
1370
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 38
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 6.4
7.9
Embodied Carbon, kg CO2/kg material 3.0
6.0
Embodied Energy, MJ/kg 57
87
Embodied Water, L/kg 380
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 260
190 to 1150
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
22 to 36
Strength to Weight: Bending, points 15
20 to 28
Thermal Diffusivity, mm2/s 43
4.0
Thermal Shock Resistance, points 8.6
13 to 22

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13.5 to 16
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
49.1 to 59.5
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.020
24 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 95.3 to 96.5
0