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EN 1.4557 Stainless Steel vs. AISI 317L Stainless Steel

Both EN 1.4557 stainless steel and AISI 317L stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is AISI 317L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
44
Fatigue Strength, MPa 260
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
82
Tensile Strength: Ultimate (UTS), MPa 560
550
Tensile Strength: Yield (Proof), MPa 300
250

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1090
1010
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
21
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
4.3
Embodied Energy, MJ/kg 76
59
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 45
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
200
Resilience: Unit (Modulus of Resilience), kJ/m3 210
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
18 to 20
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
58 to 68
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
3.0 to 4.0
Nickel (Ni), % 17.5 to 19.5
11 to 15
Nitrogen (N), % 0.18 to 0.24
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030