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EN 1.4594 Stainless Steel vs. AISI 317LM Stainless Steel

Both EN 1.4594 stainless steel and AISI 317LM stainless steel are iron alloys. They have 81% 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 1.4594 stainless steel and the bottom bar is AISI 317LM stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
46
Fatigue Strength, MPa 490 to 620
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 620 to 700
410
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
590
Tensile Strength: Yield (Proof), MPa 810 to 1140
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 820
300
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.2
4.8
Embodied Energy, MJ/kg 45
65
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 19
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 41
21
Strength to Weight: Bending, points 29 to 31
20
Thermal Diffusivity, mm2/s 4.4
3.8
Thermal Shock Resistance, points 34 to 39
13

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 13 to 15
18 to 20
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 72.6 to 79.5
54.4 to 64.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.2 to 2.0
4.0 to 5.0
Nickel (Ni), % 5.0 to 6.0
13.5 to 17.5
Niobium (Nb), % 0.15 to 0.6
0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030