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Z21721 Zinc vs. S40910 Stainless Steel

Z21721 zinc belongs to the zinc alloys classification, while S40910 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 Z21721 zinc and the bottom bar is S40910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 40
23
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
75
Tensile Strength: Ultimate (UTS), MPa 150
430
Tensile Strength: Yield (Proof), MPa 120
190

Thermal Properties

Latent Heat of Fusion, J/g 110
270
Maximum Temperature: Mechanical, °C 90
710
Melting Completion (Liquidus), °C 410
1450
Melting Onset (Solidus), °C 390
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
26
Thermal Expansion, µm/m-K 26
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 6.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 53
28
Embodied Water, L/kg 340
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
80
Resilience: Unit (Modulus of Resilience), kJ/m3 88
94
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 6.4
16
Strength to Weight: Bending, points 9.6
16
Thermal Diffusivity, mm2/s 44
6.9
Thermal Shock Resistance, points 4.8
16

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.010
85 to 89.5
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.17
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.020
0 to 0.5
Zinc (Zn), % 98.9 to 100
0