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AWS E320LR vs. ZA-27

AWS E320LR belongs to the iron alloys classification, while ZA-27 belongs to the zinc alloys. There are 20 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
78
Elongation at Break, % 34
2.0 to 4.5
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
31
Tensile Strength: Ultimate (UTS), MPa 580
400 to 430

Thermal Properties

Latent Heat of Fusion, J/g 300
130
Melting Completion (Liquidus), °C 1410
480
Melting Onset (Solidus), °C 1360
380
Specific Heat Capacity, J/kg-K 460
530
Thermal Expansion, µm/m-K 14
26

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.2
5.0
Embodied Carbon, kg CO2/kg material 6.2
4.2
Embodied Energy, MJ/kg 87
80
Embodied Water, L/kg 220
570

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
28
Strength to Weight: Axial, points 20
22 to 24
Strength to Weight: Bending, points 19
24 to 25
Thermal Shock Resistance, points 15
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
2.0 to 2.5
Iron (Fe), % 32.7 to 42.5
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Manganese (Mn), % 1.5 to 2.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
0 to 0.020
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0 to 0.080
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
69.3 to 73