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N08020 Stainless Steel vs. Z21721 Zinc

N08020 stainless steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N08020 stainless steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 15 to 34
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
35
Tensile Strength: Ultimate (UTS), MPa 610 to 620
150
Tensile Strength: Yield (Proof), MPa 270 to 420
120

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Maximum Temperature: Mechanical, °C 1100
90
Melting Completion (Liquidus), °C 1410
410
Melting Onset (Solidus), °C 1360
390
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 15
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
37

Otherwise Unclassified Properties

Base Metal Price, % relative 38
11
Density, g/cm3 8.2
6.6
Embodied Carbon, kg CO2/kg material 6.6
2.8
Embodied Energy, MJ/kg 92
53
Embodied Water, L/kg 220
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
57
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
88
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 21
6.4
Strength to Weight: Bending, points 20
9.6
Thermal Diffusivity, mm2/s 3.2
44
Thermal Shock Resistance, points 15
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0 to 0.0050
Iron (Fe), % 29.9 to 44
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100