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AISI 201L Stainless Steel vs. AISI 309Cb Stainless Steel

Both AISI 201L stainless steel and AISI 309Cb stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 201L stainless steel and the bottom bar is AISI 309Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 46
39
Fatigue Strength, MPa 270 to 530
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 520 to 660
390
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
580
Tensile Strength: Yield (Proof), MPa 290 to 790
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 880
1090
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 38
59
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 19
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
180
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 37
20
Strength to Weight: Bending, points 24 to 30
20
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 16 to 23
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 18
22 to 24
Iron (Fe), % 67.9 to 75
56 to 66
Manganese (Mn), % 5.5 to 7.5
0 to 2.0
Nickel (Ni), % 3.5 to 5.5
12 to 16
Niobium (Nb), % 0
0 to 1.1
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030