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AWS E320 vs. EN 1.4971 Stainless Steel

Both AWS E320 and EN 1.4971 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E320 and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 620
800

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 38
70
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 6.5
7.6
Embodied Energy, MJ/kg 91
110
Embodied Water, L/kg 220
300

Common Calculations

PREN (Pitting Resistance) 28
38
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.070
0.080 to 0.16
Chromium (Cr), % 19 to 21
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 31.8 to 43.5
24.3 to 37.1
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
2.5 to 3.5
Nickel (Ni), % 32 to 36
19 to 21
Niobium (Nb), % 0 to 1.0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0