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AISI 416 Stainless Steel vs. S33550 Stainless Steel

Both AISI 416 stainless steel and S33550 stainless steel are iron alloys. They have 68% 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 416 stainless steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 31
40
Fatigue Strength, MPa 230 to 340
270
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Shear Strength, MPa 340 to 480
470
Tensile Strength: Ultimate (UTS), MPa 510 to 800
680
Tensile Strength: Yield (Proof), MPa 290 to 600
310

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
470
Maximum Temperature: Mechanical, °C 680
1100
Melting Completion (Liquidus), °C 1530
1400
Melting Onset (Solidus), °C 1480
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
24
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
4.3
Embodied Energy, MJ/kg 27
61
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 13
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 29
24
Strength to Weight: Bending, points 18 to 25
22
Thermal Diffusivity, mm2/s 8.1
3.9
Thermal Shock Resistance, points 19 to 30
15

Alloy Composition

Carbon (C), % 0 to 0.15
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 12 to 14
25 to 28
Iron (Fe), % 83.2 to 87.9
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 0 to 1.3
0 to 1.5
Nickel (Ni), % 0
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030