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AWS E383 vs. EN 1.3940 Stainless Steel

Both AWS E383 and EN 1.3940 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E383 and the bottom bar is EN 1.3940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 580
540

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.3
Embodied Energy, MJ/kg 89
47
Embodied Water, L/kg 240
150

Common Calculations

PREN (Pitting Resistance) 40
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 3.1
4.1
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 26.5 to 29
16.5 to 18.5
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
64.2 to 71.4
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 3.2 to 4.2
0
Nickel (Ni), % 30 to 33
12 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.9
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020