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S21900 Stainless Steel vs. Z40101 Zinc

S21900 stainless steel belongs to the iron alloys classification, while Z40101 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 S21900 stainless steel and the bottom bar is Z40101 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 50
44
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 78
35
Tensile Strength: Ultimate (UTS), MPa 710
130
Tensile Strength: Yield (Proof), MPa 390
110

Thermal Properties

Latent Heat of Fusion, J/g 290
110
Maximum Temperature: Mechanical, °C 980
90
Melting Completion (Liquidus), °C 1400
410
Melting Onset (Solidus), °C 1350
400
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
110
Thermal Expansion, µm/m-K 17
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 15
11
Density, g/cm3 7.7
6.6
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
53
Embodied Water, L/kg 160
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
56
Resilience: Unit (Modulus of Resilience), kJ/m3 380
69
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26
5.7
Strength to Weight: Bending, points 23
8.9
Thermal Diffusivity, mm2/s 3.8
44
Thermal Shock Resistance, points 15
4.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
0.080 to 0.4
Iron (Fe), % 59.4 to 67.4
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.542 to 99.92