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AISI 409 Stainless Steel vs. EN 1.4477 Stainless Steel

Both AISI 409 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 24
22 to 23
Fatigue Strength, MPa 140
420 to 490
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
81
Shear Strength, MPa 270
550 to 580
Tensile Strength: Ultimate (UTS), MPa 420
880 to 930
Tensile Strength: Yield (Proof), MPa 200
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
20
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.7
Embodied Energy, MJ/kg 28
52
Embodied Water, L/kg 94
190

Common Calculations

PREN (Pitting Resistance) 11
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 100
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
31 to 33
Strength to Weight: Bending, points 16
26 to 27
Thermal Diffusivity, mm2/s 6.7
3.5
Thermal Shock Resistance, points 15
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 10.5 to 11.7
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 84.9 to 89.5
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0 to 0.5
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.75
0