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AISI 384 Stainless Steel vs. Z21721 Zinc

AISI 384 stainless steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
35
Tensile Strength: Ultimate (UTS), MPa 480
150

Thermal Properties

Latent Heat of Fusion, J/g 290
110
Maximum Temperature: Mechanical, °C 910
90
Melting Completion (Liquidus), °C 1420
410
Melting Onset (Solidus), °C 1380
390
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 16
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
37

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.9
6.6
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 52
53
Embodied Water, L/kg 150
340

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 17
6.4
Strength to Weight: Bending, points 17
9.6
Thermal Diffusivity, mm2/s 4.3
44
Thermal Shock Resistance, points 11
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 60.9 to 68
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 17 to 19
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100