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EN 1.4959 Stainless Steel vs. AISI 317LN Stainless Steel

Both EN 1.4959 stainless steel and AISI 317LN stainless steel are iron alloys. They have 78% 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 EN 1.4959 stainless steel and the bottom bar is AISI 317LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
45
Fatigue Strength, MPa 170
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 430
430
Tensile Strength: Ultimate (UTS), MPa 630
620
Tensile Strength: Yield (Proof), MPa 190
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 1090
1010
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
4.3
Embodied Energy, MJ/kg 76
59
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 21
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 96
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0 to 0.030
Chromium (Cr), % 19 to 22
18 to 20
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.4 to 50.5
57.9 to 67.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 30 to 34
11 to 15
Nitrogen (N), % 0 to 0.030
0.1 to 0.22
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.25 to 0.65
0