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EN 1.4557 Stainless Steel vs. AWS E349

Both EN 1.4557 stainless steel and AWS E349 are iron alloys. They have 83% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is AWS E349.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
29
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 560
770

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
4.9
Embodied Energy, MJ/kg 76
72
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 45
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.13
Chromium (Cr), % 19.5 to 20.5
18 to 21
Copper (Cu), % 0.5 to 1.0
0 to 0.75
Iron (Fe), % 49.5 to 56.3
60.5 to 71.1
Manganese (Mn), % 0 to 1.2
0.5 to 2.5
Molybdenum (Mo), % 6.0 to 7.0
0.35 to 0.65
Nickel (Ni), % 17.5 to 19.5
8.0 to 10
Niobium (Nb), % 0
0.75 to 1.2
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
0.1 to 0.3