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AWS E2209 vs. ZA-8

AWS E2209 belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E2209 and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
85 to 86
Elongation at Break, % 23
1.3 to 8.0
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 79
34
Tensile Strength: Ultimate (UTS), MPa 770
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Melting Completion (Liquidus), °C 1440
400
Melting Onset (Solidus), °C 1390
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
40

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.8
6.3
Embodied Carbon, kg CO2/kg material 4.0
3.3
Embodied Energy, MJ/kg 55
62
Embodied Water, L/kg 170
420

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
9.3 to 17
Strength to Weight: Bending, points 24
12 to 18
Thermal Diffusivity, mm2/s 4.3
42
Thermal Shock Resistance, points 20
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 21.5 to 23.5
0
Copper (Cu), % 0 to 0.75
0.8 to 1.3
Iron (Fe), % 58.4 to 66.9
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 8.5 to 10.5
0 to 0.020
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.045
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
89.7 to 91.2