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AWS E120C-K4 vs. Z21210 Zinc

AWS E120C-K4 belongs to the iron alloys classification, while Z21210 zinc belongs to the zinc alloys. There are 12 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS E120C-K4 and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 950
150 to 170

Thermal Properties

Melting Completion (Liquidus), °C 1460
420
Melting Onset (Solidus), °C 1410
420
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 41
110
Thermal Expansion, µm/m-K 13
32

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
35

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.1

Common Calculations

Strength to Weight: Axial, points 34
5.7 to 6.4
Strength to Weight: Bending, points 27
8.6 to 9.4
Thermal Diffusivity, mm2/s 11
38