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AWS E385 vs. Z21721 Zinc

AWS E385 belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E385 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 34
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 79
35
Tensile Strength: Ultimate (UTS), MPa 580
150

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Melting Completion (Liquidus), °C 1440
410
Melting Onset (Solidus), °C 1390
390
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 14
110
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
37

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.1
6.6
Embodied Carbon, kg CO2/kg material 5.8
2.8
Embodied Energy, MJ/kg 79
53
Embodied Water, L/kg 200
340

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 20
6.4
Strength to Weight: Bending, points 19
9.6
Thermal Diffusivity, mm2/s 3.6
44
Thermal Shock Resistance, points 15
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 1.2 to 2.0
0 to 0.0050
Iron (Fe), % 41.8 to 50.1
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 1.0 to 2.5
0
Molybdenum (Mo), % 4.2 to 5.2
0
Nickel (Ni), % 24 to 26
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100