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S21800 Stainless Steel vs. Z41321 Zinc

S21800 stainless steel belongs to the iron alloys classification, while Z41321 zinc belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is Z41321 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 40
60
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 75
35
Tensile Strength: Ultimate (UTS), MPa 740
190
Tensile Strength: Yield (Proof), MPa 390
150

Thermal Properties

Latent Heat of Fusion, J/g 340
110
Maximum Temperature: Mechanical, °C 900
90
Melting Completion (Liquidus), °C 1360
410
Melting Onset (Solidus), °C 1310
400
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 16
26

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.5
6.6
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 45
54
Embodied Water, L/kg 150
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 390
130
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 27
7.9
Strength to Weight: Bending, points 24
11
Thermal Shock Resistance, points 17
5.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 59.1 to 65.4
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0.080 to 0.18
Zinc (Zn), % 0
98.8 to 99.42