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AWS E349 vs. EN 1.4378 Stainless Steel

Both AWS E349 and EN 1.4378 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 21 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 E349 and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
14 to 34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 770
760 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.9
2.7
Embodied Energy, MJ/kg 72
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 24
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
28 to 41
Strength to Weight: Bending, points 24
24 to 31
Thermal Shock Resistance, points 20
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.080
Chromium (Cr), % 18 to 21
17 to 19
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 60.5 to 71.1
61.2 to 69
Manganese (Mn), % 0.5 to 2.5
11.5 to 14.5
Molybdenum (Mo), % 0.35 to 0.65
0
Nickel (Ni), % 8.0 to 10
2.3 to 3.7
Niobium (Nb), % 0.75 to 1.2
0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 1.3 to 1.8
0
Vanadium (V), % 0.1 to 0.3
0