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AISI 409 Stainless Steel vs. EN 1.4611 Stainless Steel

Both AISI 409 stainless steel and EN 1.4611 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 90% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 409 stainless steel and the bottom bar is EN 1.4611 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
21
Fatigue Strength, MPa 140
180
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
78
Shear Strength, MPa 270
330
Tensile Strength: Ultimate (UTS), MPa 420
530
Tensile Strength: Yield (Proof), MPa 200
280

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
530
Maximum Temperature: Mechanical, °C 710
970
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
21
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.5
Embodied Energy, MJ/kg 28
36
Embodied Water, L/kg 94
140

Common Calculations

PREN (Pitting Resistance) 11
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
91
Resilience: Unit (Modulus of Resilience), kJ/m3 100
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 6.7
5.7
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 10.5 to 11.7
19 to 22
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 84.9 to 89.5
73.3 to 80.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 0 to 0.75
0.2 to 1.0