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AISI 440A Stainless Steel vs. Z20301 Zinc

AISI 440A stainless steel belongs to the iron alloys classification, while Z20301 zinc belongs to the zinc alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is Z20301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 5.0 to 20
53
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
35
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
160
Tensile Strength: Yield (Proof), MPa 420 to 1650
130

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 760
90
Melting Completion (Liquidus), °C 1480
410
Melting Onset (Solidus), °C 1370
400
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
110
Thermal Expansion, µm/m-K 10
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 7.7
6.6
Embodied Carbon, kg CO2/kg material 2.2
2.8
Embodied Energy, MJ/kg 31
53
Embodied Water, L/kg 120
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
78
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26 to 65
6.7
Strength to Weight: Bending, points 23 to 43
9.9
Thermal Diffusivity, mm2/s 6.2
44
Thermal Shock Resistance, points 26 to 65
5.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 78.4 to 83.4
0 to 0.010
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.853 to 100