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AISI 301L Stainless Steel vs. S31655 Stainless Steel

Both AISI 301L stainless steel and S31655 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 301L stainless steel and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 50
39
Fatigue Strength, MPa 240 to 530
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 440 to 660
490
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
710
Tensile Strength: Yield (Proof), MPa 250 to 790
350

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 890
1010
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 39
46
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 19
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
230
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 37
25
Strength to Weight: Bending, points 21 to 29
23
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 14 to 24
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16 to 18
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 70.7 to 78
63.2 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 1.5
Nickel (Ni), % 6.0 to 8.0
8.0 to 9.5
Nitrogen (N), % 0 to 0.2
0.14 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015