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Z21721 Zinc vs. S32803 Stainless Steel

Z21721 zinc belongs to the zinc alloys classification, while S32803 stainless steel belongs to the iron 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 Z21721 zinc and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
210
Elongation at Break, % 40
18
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 35
81
Tensile Strength: Ultimate (UTS), MPa 150
680
Tensile Strength: Yield (Proof), MPa 120
560

Thermal Properties

Latent Heat of Fusion, J/g 110
300
Maximum Temperature: Mechanical, °C 90
1100
Melting Completion (Liquidus), °C 410
1450
Melting Onset (Solidus), °C 390
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 6.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
120
Resilience: Unit (Modulus of Resilience), kJ/m3 88
760
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 6.4
25
Strength to Weight: Bending, points 9.6
22
Thermal Diffusivity, mm2/s 44
4.4
Thermal Shock Resistance, points 4.8
22

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
28 to 29
Copper (Cu), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.010
62.9 to 67.1
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.55
Sulfur (S), % 0
0 to 0.0035
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0