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AISI 317 Stainless Steel vs. AISI 301L Stainless Steel

Both AISI 317 stainless steel and AISI 301L stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
22 to 50
Fatigue Strength, MPa 250 to 330
240 to 530
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
440 to 660
Tensile Strength: Ultimate (UTS), MPa 580 to 710
620 to 1040
Tensile Strength: Yield (Proof), MPa 250 to 420
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 590
890
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 31
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
160 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
22 to 37
Strength to Weight: Bending, points 20 to 22
21 to 29
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 12 to 15
14 to 24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
16 to 18
Iron (Fe), % 58 to 68
70.7 to 78
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
6.0 to 8.0
Nitrogen (N), % 0 to 0.1
0 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030