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Commercially Pure Zinc vs. S21800 Stainless Steel

Commercially pure zinc belongs to the zinc alloys classification, while S21800 stainless steel belongs to the iron 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 commercially pure zinc and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 38
40
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
75
Tensile Strength: Ultimate (UTS), MPa 97
740
Tensile Strength: Yield (Proof), MPa 79
390

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 6.6
7.5
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 53
45
Embodied Water, L/kg 340
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
250
Resilience: Unit (Modulus of Resilience), kJ/m3 36
390
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 4.1
27
Strength to Weight: Bending, points 7.1
24
Thermal Shock Resistance, points 3.0
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.080
0
Iron (Fe), % 0 to 0.020
59.1 to 65.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
0