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S66286 Stainless Steel vs. Zamak 7

S66286 stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S66286 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 17 to 40
13
Fatigue Strength, MPa 240 to 410
47
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 75
33
Shear Strength, MPa 420 to 630
210
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
280
Tensile Strength: Yield (Proof), MPa 280 to 670
250

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
36
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22 to 36
12
Strength to Weight: Bending, points 20 to 28
15
Thermal Diffusivity, mm2/s 4.0
43
Thermal Shock Resistance, points 13 to 22
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.35
3.5 to 4.3
Boron (B), % 0.0010 to 0.010
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 13.5 to 16
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 49.1 to 59.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
0.0050 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0
Zinc (Zn), % 0
95.3 to 96.5