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AISI 420 Stainless Steel vs. Z41321 Zinc

AISI 420 stainless steel belongs to the iron alloys classification, while Z41321 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 AISI 420 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, % 8.0 to 15
60
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
35
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
190
Tensile Strength: Yield (Proof), MPa 380 to 1310
150

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 620
90
Melting Completion (Liquidus), °C 1510
410
Melting Onset (Solidus), °C 1450
400
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 27
110
Thermal Expansion, µm/m-K 10
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
37

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
12
Density, g/cm3 7.7
6.6
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
54
Embodied Water, L/kg 100
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
130
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 62
7.9
Strength to Weight: Bending, points 22 to 41
11
Thermal Diffusivity, mm2/s 7.3
44
Thermal Shock Resistance, points 25 to 62
5.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 82.3 to 87.9
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
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
0.080 to 0.18
Zinc (Zn), % 0
98.8 to 99.42