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S31266 Stainless Steel vs. Zamak 3

S31266 stainless steel belongs to the iron alloys classification, while Zamak 3 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
86
Elongation at Break, % 40
11
Fatigue Strength, MPa 400
48
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 81
33
Shear Strength, MPa 590
210
Tensile Strength: Ultimate (UTS), MPa 860
280
Tensile Strength: Yield (Proof), MPa 470
210

Thermal Properties

Latent Heat of Fusion, J/g 310
120
Maximum Temperature: Mechanical, °C 1100
95
Melting Completion (Liquidus), °C 1470
390
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
38

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 8.2
6.4
Embodied Carbon, kg CO2/kg material 6.5
3.0
Embodied Energy, MJ/kg 89
57
Embodied Water, L/kg 220
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
28
Resilience: Unit (Modulus of Resilience), kJ/m3 540
260
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 29
12
Strength to Weight: Bending, points 24
15
Thermal Diffusivity, mm2/s 3.1
43
Thermal Shock Resistance, points 18
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
0 to 0.25
Iron (Fe), % 34.1 to 46
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0 to 0.020
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0030
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
95.3 to 96.5