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SAE-AISI O7 Steel vs. Z21210 Zinc

SAE-AISI O7 steel 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 (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O7 steel and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 680 to 2110
150 to 170

Thermal Properties

Melting Completion (Liquidus), °C 1480
420
Melting Onset (Solidus), °C 1430
420
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 41
110
Thermal Expansion, µm/m-K 12
32

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
35

Otherwise Unclassified Properties

Density, g/cm3 7.9
7.1

Common Calculations

Strength to Weight: Axial, points 24 to 74
5.7 to 6.4
Strength to Weight: Bending, points 22 to 46
8.6 to 9.4
Thermal Diffusivity, mm2/s 11
38