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S20910 Stainless Steel vs. Z21210 Zinc

S20910 stainless steel belongs to the iron alloys classification, while Z21210 zinc belongs to the zinc alloys. There are 10 material properties with values for both materials. Properties with values for just one material (25, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 7.8
7.1
Melting Completion (Liquidus), °C 1420
420
Melting Onset (Solidus), °C 1380
420
Specific Heat Capacity, J/kg-K 480
400
Strength to Weight: Axial, points 28 to 33
5.7 to 6.4
Strength to Weight: Bending, points 24 to 27
8.6 to 9.4
Tensile Strength: Ultimate (UTS), MPa 780 to 940
150 to 170
Thermal Conductivity, W/m-K 13
110
Thermal Diffusivity, mm2/s 3.6
38
Thermal Expansion, µm/m-K 16
32

Comparable Variants