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EN 1.4938 Stainless Steel vs. Z21721 Zinc

EN 1.4938 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 EN 1.4938 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, % 16 to 17
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
35
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
150
Tensile Strength: Yield (Proof), MPa 640 to 870
120

Thermal Properties

Latent Heat of Fusion, J/g 270
110
Maximum Temperature: Mechanical, °C 750
90
Melting Completion (Liquidus), °C 1460
410
Melting Onset (Solidus), °C 1420
390
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 30
110
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
37

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
53
Embodied Water, L/kg 110
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
57
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 31 to 37
6.4
Strength to Weight: Bending, points 26 to 29
9.6
Thermal Diffusivity, mm2/s 8.1
44
Thermal Shock Resistance, points 30 to 35
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 80.5 to 84.8
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0.4 to 0.9
0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.020
Vanadium (V), % 0.25 to 0.4
0
Zinc (Zn), % 0
98.9 to 100