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AWS E320LR vs. EN 1.4421 Stainless Steel

Both AWS E320LR and EN 1.4421 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
11 to 17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 580
880 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 14
10

Otherwise Unclassified Properties

Base Metal Price, % relative 36
12
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.2
2.6
Embodied Energy, MJ/kg 87
36
Embodied Water, L/kg 220
130

Common Calculations

PREN (Pitting Resistance) 28
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
31 to 39
Strength to Weight: Bending, points 19
26 to 30
Thermal Shock Resistance, points 15
31 to 39

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 19 to 21
15.5 to 17.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 32.7 to 42.5
74.4 to 80.5
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.7
Nickel (Ni), % 32 to 36
4.0 to 5.5
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.020