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EN 1.4466 Stainless Steel vs. AISI 309 Stainless Steel

Both EN 1.4466 stainless steel and AISI 309 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 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 EN 1.4466 stainless steel and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
34 to 47
Fatigue Strength, MPa 250
250 to 280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 440
420 to 470
Tensile Strength: Ultimate (UTS), MPa 640
600 to 710
Tensile Strength: Yield (Proof), MPa 280
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
3.6
Embodied Energy, MJ/kg 70
51
Embodied Water, L/kg 200
170

Common Calculations

PREN (Pitting Resistance) 35
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 200
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21 to 25
Strength to Weight: Bending, points 21
20 to 23
Thermal Diffusivity, mm2/s 3.7
4.3
Thermal Shock Resistance, points 14
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.2
Chromium (Cr), % 24 to 26
22 to 24
Iron (Fe), % 45.6 to 52.9
58 to 66
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 21 to 23
12 to 15
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030