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EN 1.4729 Stainless Steel vs. Z21721 Zinc

EN 1.4729 stainless steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 15
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 75
35

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Maximum Temperature: Mechanical, °C 850
90
Melting Completion (Liquidus), °C 1420
410
Melting Onset (Solidus), °C 1380
390
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 24
110
Thermal Expansion, µm/m-K 10
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
37

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
11
Density, g/cm3 7.6
6.6
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 29
53
Embodied Water, L/kg 100
340

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 6.5
44

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 80.4 to 86.7
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100