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AISI 317L Stainless Steel vs. EN 1.4618 Stainless Steel

Both AISI 317L stainless steel and EN 1.4618 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 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 AISI 317L stainless steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
51
Fatigue Strength, MPa 220
240 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
77
Shear Strength, MPa 380
480 to 500
Tensile Strength: Ultimate (UTS), MPa 550
680 to 700
Tensile Strength: Yield (Proof), MPa 250
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 31
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24 to 25
Strength to Weight: Bending, points 19
22 to 23
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 12
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 20
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 58 to 68
62.7 to 72.5
Manganese (Mn), % 0 to 2.0
5.5 to 9.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
4.5 to 5.5
Nitrogen (N), % 0 to 0.1
0 to 0.15
Phosphorus (P), % 0 to 0.045
0 to 0.070
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010