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AISI 314 Stainless Steel vs. EN 1.4409 Stainless Steel

Both AISI 314 stainless steel and EN 1.4409 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 AISI 314 stainless steel and the bottom bar is EN 1.4409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 210
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 590
490
Tensile Strength: Yield (Proof), MPa 230
220

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.7
Embodied Energy, MJ/kg 62
52
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 25
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
140
Resilience: Unit (Modulus of Resilience), kJ/m3 130
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 3.9
4.1
Thermal Shock Resistance, points 14
11

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 23 to 26
18 to 20
Iron (Fe), % 46.7 to 56.5
61.7 to 71
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 19 to 22
9.0 to 12
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.5 to 3.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.025