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EN 1.4590 Stainless Steel vs. AISI 317LMN Stainless Steel

Both EN 1.4590 stainless steel and AISI 317LMN stainless steel are iron alloys. Both are furnished in the annealed condition. 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4590 stainless steel and the bottom bar is AISI 317LMN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
45
Fatigue Strength, MPa 190
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 310
430
Tensile Strength: Ultimate (UTS), MPa 480
620
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 470
420
Maximum Temperature: Mechanical, °C 860
1020
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
14
Thermal Expansion, µm/m-K 10
16

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 11
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.5
4.8
Embodied Energy, MJ/kg 37
65
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 17
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 190
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 7.0
3.8
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16 to 17.5
17 to 20
Iron (Fe), % 79.7 to 83.7
54.4 to 65.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
13.5 to 17.5
Niobium (Nb), % 0.35 to 0.55
0
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Zirconium (Zr), % 0 to 0.15
0