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AISI 416 Stainless Steel vs. AISI 201 Stainless Steel

Both AISI 416 stainless steel and AISI 201 stainless steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is AISI 416 stainless steel and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
200 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 31
4.6 to 51
Fatigue Strength, MPa 230 to 340
280 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 340 to 480
450 to 840
Tensile Strength: Ultimate (UTS), MPa 510 to 800
650 to 1450
Tensile Strength: Yield (Proof), MPa 290 to 600
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 680
880
Melting Completion (Liquidus), °C 1530
1410
Melting Onset (Solidus), °C 1480
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 9.9
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.6
Embodied Energy, MJ/kg 27
38
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 13
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
230 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 29
23 to 52
Strength to Weight: Bending, points 18 to 25
22 to 37
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 19 to 30
14 to 32

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 12 to 14
16 to 18
Iron (Fe), % 83.2 to 87.9
67.5 to 75
Manganese (Mn), % 0 to 1.3
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030

Comparable Variants