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AISI 316L Stainless Steel vs. AISI 441 Stainless Steel

Both AISI 316L stainless steel and AISI 441 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 34 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 316L stainless steel and the bottom bar is AISI 441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 50
23
Fatigue Strength, MPa 170 to 450
180
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 80
77
Shear Modulus, GPa 78
77
Shear Strength, MPa 370 to 690
300
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
470
Tensile Strength: Yield (Proof), MPa 190 to 870
270

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
550
Maximum Temperature: Mechanical, °C 870
910
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 53
41
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 26
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
92
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 41
17
Strength to Weight: Bending, points 18 to 31
17
Thermal Diffusivity, mm2/s 4.1
6.1
Thermal Shock Resistance, points 12 to 25
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16 to 18
17.5 to 19.5
Iron (Fe), % 62 to 72
76 to 82.2
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0 to 1.0
Niobium (Nb), % 0
0.3 to 0.9
Nitrogen (N), % 0 to 0.1
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.1 to 0.5