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Z21721 Zinc vs. AISI 439 Stainless Steel

Z21721 zinc belongs to the zinc alloys classification, while AISI 439 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 40
23
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
77
Tensile Strength: Ultimate (UTS), MPa 150
490
Tensile Strength: Yield (Proof), MPa 120
250

Thermal Properties

Latent Heat of Fusion, J/g 110
280
Maximum Temperature: Mechanical, °C 90
890
Melting Completion (Liquidus), °C 410
1510
Melting Onset (Solidus), °C 390
1430
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 37
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 6.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 53
34
Embodied Water, L/kg 340
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
95
Resilience: Unit (Modulus of Resilience), kJ/m3 88
160
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
6.7
Thermal Shock Resistance, points 4.8
16

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0 to 0.15
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.010
77.1 to 82.8
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
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 0.030
Titanium (Ti), % 0 to 0.020
0.2 to 1.1
Zinc (Zn), % 98.9 to 100
0