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AISI 308L Stainless Steel vs. AISI 416Se Stainless Steel

Both AISI 308L stainless steel and AISI 416Se stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is AISI 308L stainless steel and the bottom bar is AISI 416Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 180
210
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
50
Shear Modulus, GPa 78
76
Shear Strength, MPa 380
340
Tensile Strength: Ultimate (UTS), MPa 580
540
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1010
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
8.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.2
1.9
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 21
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.1
8.1
Thermal Shock Resistance, points 13
20

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 19.5 to 22
12 to 14
Iron (Fe), % 63.8 to 70.5
83.1 to 87.9
Manganese (Mn), % 1.0 to 2.5
0 to 1.3
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 0.25 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.060