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S20431 Stainless Steel vs. Z24311 Zinc

S20431 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 S20431 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, % 46
63
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
35
Tensile Strength: Ultimate (UTS), MPa 710
140
Tensile Strength: Yield (Proof), MPa 350
120

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 890
90
Melting Completion (Liquidus), °C 1400
410
Melting Onset (Solidus), °C 1360
400
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
37

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
6.6
Embodied Carbon, kg CO2/kg material 2.5
2.8
Embodied Energy, MJ/kg 36
53
Embodied Water, L/kg 140
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
85
Resilience: Unit (Modulus of Resilience), kJ/m3 310
81
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
6.1
Strength to Weight: Bending, points 23
9.3
Thermal Diffusivity, mm2/s 4.0
44
Thermal Shock Resistance, points 15
4.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 1.5 to 3.5
0 to 0.0050
Iron (Fe), % 66.1 to 74.4
0 to 0.010
Lead (Pb), % 0
0.030 to 0.080
Magnesium (Mg), % 0
0 to 0.0015
Manganese (Mn), % 5.0 to 7.0
0 to 0.015
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.1 to 0.25
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
99.862 to 100