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AWS E320LR vs. ZA-12

AWS E320LR belongs to the iron alloys classification, while ZA-12 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-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
83
Elongation at Break, % 34
1.6 to 5.3
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
33
Tensile Strength: Ultimate (UTS), MPa 580
260 to 400

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Melting Completion (Liquidus), °C 1410
430
Melting Onset (Solidus), °C 1360
380
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 14
24

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.2
6.0
Embodied Carbon, kg CO2/kg material 6.2
3.4
Embodied Energy, MJ/kg 87
64
Embodied Water, L/kg 220
440

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
12 to 19
Strength to Weight: Bending, points 19
15 to 20
Thermal Shock Resistance, points 15
9.4 to 14

Alloy Composition

Aluminum (Al), % 0
10.5 to 11.5
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
0.5 to 1.2
Iron (Fe), % 32.7 to 42.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
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 0.060
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
87.1 to 89