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AISI 309 Stainless Steel vs. Z41121 Zinc

AISI 309 stainless steel belongs to the iron alloys classification, while Z41121 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 309 stainless steel and the bottom bar is Z41121 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 34 to 47
50
Poisson's Ratio 0.27
0.25
Shear Modulus, GPa 78
35
Tensile Strength: Ultimate (UTS), MPa 600 to 710
140
Tensile Strength: Yield (Proof), MPa 260 to 350
120

Thermal Properties

Latent Heat of Fusion, J/g 290
110
Maximum Temperature: Mechanical, °C 980
90
Melting Completion (Liquidus), °C 1450
410
Melting Onset (Solidus), °C 1400
400
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 15
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
37

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 51
54
Embodied Water, L/kg 170
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
68
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
79
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 25
6.1
Strength to Weight: Bending, points 20 to 23
9.3
Thermal Diffusivity, mm2/s 4.3
44
Thermal Shock Resistance, points 14 to 16
4.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
0.080 to 0.49
Iron (Fe), % 58 to 66
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0.050 to 0.18
Zinc (Zn), % 0
99.292 to 99.87