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AISI 431 Stainless Steel vs. Z24311 Zinc

AISI 431 stainless steel belongs to the iron alloys classification, while Z24311 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is Z24311 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 15 to 17
63
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
35
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
140
Tensile Strength: Yield (Proof), MPa 710 to 1040
120

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 850
90
Melting Completion (Liquidus), °C 1510
410
Melting Onset (Solidus), °C 1450
400
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
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 140 to 180
85
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
81
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 50
6.1
Strength to Weight: Bending, points 27 to 36
9.3
Thermal Diffusivity, mm2/s 7.0
44
Thermal Shock Resistance, points 28 to 43
4.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 78.2 to 83.8
0 to 0.010
Lead (Pb), % 0
0.030 to 0.080
Magnesium (Mg), % 0
0 to 0.0015
Manganese (Mn), % 0 to 1.0
0 to 0.015
Nickel (Ni), % 1.3 to 2.5
0
Phosphorus (P), % 0 to 0.040
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
99.862 to 100