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AISI 316LN Stainless Steel vs. S33550 Stainless Steel

Both AISI 316LN stainless steel and S33550 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 316LN stainless steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
40
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 80
82
Shear Modulus, GPa 82
79
Shear Strength, MPa 410
470
Tensile Strength: Ultimate (UTS), MPa 590
680
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1380
1360
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
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
24
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
4.3
Embodied Energy, MJ/kg 53
61
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 27
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.1
3.9
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 16 to 18
25 to 28
Iron (Fe), % 62 to 71.9
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0.1 to 0.16
0.18 to 0.25
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