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Z21721 Zinc vs. SAE-AISI A4 Steel

Z21721 zinc belongs to the zinc alloys classification, while SAE-AISI A4 steel belongs to the iron alloys. There are 23 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 SAE-AISI A4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
190
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 35
73
Tensile Strength: Ultimate (UTS), MPa 150
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 110
250
Melting Completion (Liquidus), °C 410
1450
Melting Onset (Solidus), °C 390
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 37
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.9
Density, g/cm3 6.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 53
24
Embodied Water, L/kg 340
59

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 6.4
25 to 73
Strength to Weight: Bending, points 9.6
23 to 46
Thermal Diffusivity, mm2/s 44
11
Thermal Shock Resistance, points 4.8
23 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
0.9 to 2.2
Copper (Cu), % 0 to 0.0050
0 to 0.25
Iron (Fe), % 0 to 0.010
92 to 95.5
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0