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AWS E320LR vs. EN 1.6220 Steel

Both AWS E320LR and EN 1.6220 steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
23 to 25
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580
550 to 580

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.1
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 87
19
Embodied Water, L/kg 220
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
19 to 20
Strength to Weight: Bending, points 19
19 to 20
Thermal Shock Resistance, points 15
16 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 32.7 to 42.5
96.7 to 98.8
Manganese (Mn), % 1.5 to 2.5
1.0 to 1.6
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
0 to 0.8
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030