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Commercially Pure Zinc vs. S31266 Stainless Steel

Commercially pure zinc belongs to the zinc alloys classification, while S31266 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is commercially pure zinc and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
210
Elongation at Break, % 38
40
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
81
Tensile Strength: Ultimate (UTS), MPa 97
860
Tensile Strength: Yield (Proof), MPa 79
470

Thermal Properties

Latent Heat of Fusion, J/g 110
310
Maximum Temperature: Mechanical, °C 90
1100
Melting Completion (Liquidus), °C 410
1470
Melting Onset (Solidus), °C 400
1420
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 6.6
8.2
Embodied Carbon, kg CO2/kg material 2.8
6.5
Embodied Energy, MJ/kg 53
89
Embodied Water, L/kg 340
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
290
Resilience: Unit (Modulus of Resilience), kJ/m3 36
540
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 4.1
29
Strength to Weight: Bending, points 7.1
24
Thermal Diffusivity, mm2/s 44
3.1
Thermal Shock Resistance, points 3.0
18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0 to 0.080
1.0 to 2.5
Iron (Fe), % 0 to 0.020
34.1 to 46
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 99.827 to 100
0