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EN 1.4650 Stainless Steel vs. AISI 317LN Stainless Steel

Both EN 1.4650 stainless steel and AISI 317LN stainless steel are iron alloys. They have a moderately high 93% 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 1.4650 stainless steel and the bottom bar is AISI 317LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 48
45
Fatigue Strength, MPa 230
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 440
430
Tensile Strength: Ultimate (UTS), MPa 620
620
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 970
1010
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.3
Embodied Energy, MJ/kg 43
59
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 20
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
220
Resilience: Unit (Modulus of Resilience), kJ/m3 150
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.1
3.9
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18.5 to 20
18 to 20
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 65.8 to 72.5
57.9 to 67.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 9.0 to 10
11 to 15
Nitrogen (N), % 0 to 0.080
0.1 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030