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Z41321 Zinc vs. S20431 Stainless Steel

Z41321 zinc belongs to the zinc alloys classification, while S20431 stainless steel belongs to the iron 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 Z41321 zinc and the bottom bar is S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 60
46
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
76
Tensile Strength: Ultimate (UTS), MPa 190
710
Tensile Strength: Yield (Proof), MPa 150
350

Thermal Properties

Latent Heat of Fusion, J/g 110
280
Maximum Temperature: Mechanical, °C 90
890
Melting Completion (Liquidus), °C 410
1400
Melting Onset (Solidus), °C 400
1360
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 6.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 54
36
Embodied Water, L/kg 340
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 130
310
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 7.9
25
Strength to Weight: Bending, points 11
23
Thermal Diffusivity, mm2/s 44
4.0
Thermal Shock Resistance, points 5.9
15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0.5 to 1.0
1.5 to 3.5
Iron (Fe), % 0 to 0.010
66.1 to 74.4
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0
5.0 to 7.0
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0.080 to 0.18
0
Zinc (Zn), % 98.8 to 99.42
0