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EN 1.4301 Stainless Steel vs. AISI 317LM Stainless Steel

Both EN 1.4301 stainless steel and AISI 317LM stainless steel are iron alloys. They have 89% 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 1.4301 stainless steel and the bottom bar is AISI 317LM stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 46
46
Fatigue Strength, MPa 200 to 330
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 430 to 550
410
Tensile Strength: Ultimate (UTS), MPa 610 to 900
590
Tensile Strength: Yield (Proof), MPa 220 to 570
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 940
300
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
4.8
Embodied Energy, MJ/kg 43
65
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 19
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 14 to 20
13

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 17.5 to 19.5
18 to 20
Iron (Fe), % 66.8 to 74.5
54.4 to 64.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 8.0 to 10.5
13.5 to 17.5
Nitrogen (N), % 0 to 0.1
0 to 0.2
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