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Z21721 Zinc vs. EN 1.4621 Stainless Steel

Z21721 zinc belongs to the zinc alloys classification, while EN 1.4621 stainless steel belongs to the iron 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 Z21721 zinc and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 40
25
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 35
78
Tensile Strength: Ultimate (UTS), MPa 150
500
Tensile Strength: Yield (Proof), MPa 120
270

Thermal Properties

Latent Heat of Fusion, J/g 110
290
Maximum Temperature: Mechanical, °C 90
970
Melting Completion (Liquidus), °C 410
1440
Melting Onset (Solidus), °C 390
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 37
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 6.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 53
41
Embodied Water, L/kg 340
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
110
Resilience: Unit (Modulus of Resilience), kJ/m3 88
190
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 6.4
18
Strength to Weight: Bending, points 9.6
18
Thermal Diffusivity, mm2/s 44
5.7
Thermal Shock Resistance, points 4.8
17

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
20 to 21.5
Copper (Cu), % 0 to 0.0050
0.1 to 1.0
Iron (Fe), % 0 to 0.010
74.4 to 79.7
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
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 0.015
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0