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EN 1.4911 Stainless Steel vs. AWS E349

Both EN 1.4911 stainless steel and AWS E349 are iron alloys. They have 80% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4911 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, % 11
29
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1070
770

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
4.9
Embodied Energy, MJ/kg 49
72
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 14
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
27
Strength to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 5.4
4.1
Thermal Shock Resistance, points 37
20

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.13
Chromium (Cr), % 9.8 to 11.2
18 to 21
Cobalt (Co), % 5.0 to 7.0
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 75.7 to 83.8
60.5 to 71.1
Manganese (Mn), % 0.3 to 1.3
0.5 to 2.5
Molybdenum (Mo), % 0.5 to 1.0
0.35 to 0.65
Nickel (Ni), % 0.2 to 1.2
8.0 to 10
Niobium (Nb), % 0.2 to 0.5
0.75 to 1.2
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 0 to 0.7
1.3 to 1.8
Vanadium (V), % 0.1 to 0.4
0.1 to 0.3