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EN 1.4372 Stainless Steel vs. AISI 317L Stainless Steel

Both EN 1.4372 stainless steel and AISI 317L stainless steel are iron alloys. They have 86% 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 EN 1.4372 stainless steel and the bottom bar is AISI 317L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 47
44
Fatigue Strength, MPa 330
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
82
Shear Strength, MPa 560
380
Tensile Strength: Ultimate (UTS), MPa 790
550
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
1010
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 38
59
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 19
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
200
Resilience: Unit (Modulus of Resilience), kJ/m3 320
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
18 to 20
Iron (Fe), % 67.5 to 75
58 to 68
Manganese (Mn), % 5.5 to 7.5
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 3.5 to 5.5
11 to 15
Nitrogen (N), % 0.050 to 0.25
0 to 0.1
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