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S33550 Stainless Steel vs. AISI 316L Stainless Steel

Both S33550 stainless steel and AISI 316L stainless steel are iron alloys. 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 (1, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
9.0 to 50
Fatigue Strength, MPa 270
170 to 450
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 82
80
Shear Modulus, GPa 79
78
Shear Strength, MPa 470
370 to 690
Tensile Strength: Ultimate (UTS), MPa 680
530 to 1160
Tensile Strength: Yield (Proof), MPa 310
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
3.9
Embodied Energy, MJ/kg 61
53
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 30
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 250
93 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
19 to 41
Strength to Weight: Bending, points 22
18 to 31
Thermal Diffusivity, mm2/s 3.9
4.1
Thermal Shock Resistance, points 15
12 to 25

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
16 to 18
Iron (Fe), % 48.8 to 58.2
62 to 72
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 16.5 to 20
10 to 14
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030