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S35140 Stainless Steel vs. Z21721 Zinc

S35140 stainless steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 28 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 S35140 stainless steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 34
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 78
35
Tensile Strength: Ultimate (UTS), MPa 690
150
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Maximum Temperature: Mechanical, °C 1100
90
Melting Completion (Liquidus), °C 1420
410
Melting Onset (Solidus), °C 1370
390
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
110
Thermal Expansion, µm/m-K 16
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
37

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.0
6.6
Embodied Carbon, kg CO2/kg material 5.5
2.8
Embodied Energy, MJ/kg 78
53
Embodied Water, L/kg 190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
57
Resilience: Unit (Modulus of Resilience), kJ/m3 250
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 24
6.4
Strength to Weight: Bending, points 22
9.6
Thermal Diffusivity, mm2/s 3.7
44
Thermal Shock Resistance, points 16
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 44.1 to 52.7
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 1.0 to 3.0
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 25 to 27
0
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100