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AWS E320LR vs. EN 1.4740 Stainless Steel

Both AWS E320LR and EN 1.4740 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 17 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 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
22
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 14
10

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 6.2
2.3
Embodied Energy, MJ/kg 87
32
Embodied Water, L/kg 220
120

Common Calculations

PREN (Pitting Resistance) 28
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 19 to 21
16 to 19
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 32.7 to 42.5
75.4 to 82.7
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 32 to 36
0 to 1.0
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030