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S13800 Stainless Steel vs. Z21721 Zinc

S13800 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 (7, in this case) are not shown.

For each property being compared, the top bar is S13800 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, % 11 to 18
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
35
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
150
Tensile Strength: Yield (Proof), MPa 660 to 1580
120

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 810
90
Melting Completion (Liquidus), °C 1450
410
Melting Onset (Solidus), °C 1410
390
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 11
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.9
6.6
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 46
53
Embodied Water, L/kg 140
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
57
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 5490
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 35 to 61
6.4
Strength to Weight: Bending, points 28 to 41
9.6
Thermal Diffusivity, mm2/s 4.3
44
Thermal Shock Resistance, points 33 to 58
4.8

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 12.3 to 13.2
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 73.6 to 77.3
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 0.2
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 7.5 to 8.5
0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.0080
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100