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AISI 317 Stainless Steel vs. EN 1.4409 Stainless Steel

Both AISI 317 stainless steel and EN 1.4409 stainless steel are iron alloys. They have a very high 96% 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 317 stainless steel and the bottom bar is EN 1.4409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
34
Fatigue Strength, MPa 250 to 330
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 580 to 710
490
Tensile Strength: Yield (Proof), MPa 250 to 420
220

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 590
990
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.7
Embodied Energy, MJ/kg 59
52
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 31
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
140
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
17
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 12 to 15
11

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
18 to 20
Iron (Fe), % 58 to 68
61.7 to 71
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
2.0 to 2.5
Nickel (Ni), % 11 to 15
9.0 to 12
Nitrogen (N), % 0 to 0.1
0 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.025