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EN 1.4416 Stainless Steel vs. AISI 309 Stainless Steel

Both EN 1.4416 stainless steel and AISI 309 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4416 stainless steel and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34 to 47
Fatigue Strength, MPa 170
250 to 280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 500
600 to 710
Tensile Strength: Yield (Proof), MPa 210
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.8
3.6
Embodied Energy, MJ/kg 79
51
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 39
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 110
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
21 to 25
Strength to Weight: Bending, points 17
20 to 23
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 12
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 19 to 21
22 to 24
Iron (Fe), % 45.2 to 52.4
58 to 66
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 24 to 26
12 to 15
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030