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EN 1.4595 Stainless Steel vs. AISI 317L Stainless Steel

Both EN 1.4595 stainless steel and AISI 317L stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% 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 1.4595 stainless steel and the bottom bar is AISI 317L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
44
Fatigue Strength, MPa 180
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
82
Shear Strength, MPa 310
380
Tensile Strength: Ultimate (UTS), MPa 470
550
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 810
1010
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
14
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
4.3
Embodied Energy, MJ/kg 34
59
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 15
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 150
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 8.1
3.8
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 14 to 16
18 to 20
Iron (Fe), % 81.3 to 85.8
58 to 68
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
11 to 15
Niobium (Nb), % 0.2 to 0.6
0
Nitrogen (N), % 0 to 0.020
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030