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EN 1.4439 Stainless Steel vs. AWS E209

Both EN 1.4439 stainless steel and AWS E209 are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.4439 stainless steel and the bottom bar is AWS E209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 680
770

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 22
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.5
4.4
Embodied Energy, MJ/kg 61
63
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 35
33
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 16.5 to 18.5
20.5 to 24
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 58.7 to 66.9
51.5 to 64.3
Manganese (Mn), % 0 to 2.0
4.0 to 7.0
Molybdenum (Mo), % 4.0 to 5.0
1.5 to 3.0
Nickel (Ni), % 12.5 to 14.5
9.5 to 12
Nitrogen (N), % 0.12 to 0.22
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3