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1/16-Hard 201L Stainless Steel

1/16-hard AISI 201L is AISI 201L stainless steel in the 1/16-hard temper. It has the second lowest strength and highest ductility compared to the other variants of AISI 201L stainless steel. The graph bars on the material properties cards below compare 1/16-hard AISI 201L to: wrought austenitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

240

Elastic (Young's, Tensile) Modulus

200 GPa 29 x 106 psi

Elongation at Break

46 %

Fatigue Strength

360 MPa 52 x 103 psi

Poisson's Ratio

0.28

Shear Modulus

77 GPa 11 x 106 psi

Shear Strength

550 MPa 80 x 103 psi

Tensile Strength: Ultimate (UTS)

790 MPa 110 x 103 psi

Tensile Strength: Yield (Proof)

390 MPa 56 x 103 psi

Thermal Properties

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

410 °C 770 °F

Maximum Temperature: Mechanical

880 °C 1620 °F

Melting Completion (Liquidus)

1410 °C 2580 °F

Melting Onset (Solidus)

1370 °C 2500 °F

Specific Heat Capacity

480 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

15 W/m-K 8.7 BTU/h-ft-°F

Thermal Expansion

17 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.9 % IACS

Otherwise Unclassified Properties

Base Metal Price

12 % relative

Density

7.7 g/cm3 480 lb/ft3

Embodied Carbon

2.6 kg CO2/kg material

Embodied Energy

38 MJ/kg 16 x 103 BTU/lb

Embodied Water

140 L/kg 17 gal/lb

Common Calculations

PREN (Pitting Resistance)

19

Resilience: Ultimate (Unit Rupture Work)

300 MJ/m3

Resilience: Unit (Modulus of Resilience)

380 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

28 points

Strength to Weight: Bending

25 points

Thermal Diffusivity

4.0 mm2/s

Thermal Shock Resistance

17 points

Alloy Composition

Iron (Fe)Fe 67.9 to 75
Chromium (Cr)Cr 16 to 18
Manganese (Mn)Mn 5.5 to 7.5
Nickel (Ni)Ni 3.5 to 5.5
Silicon (Si)Si 0 to 0.75
Nitrogen (N)N 0 to 0.25
Phosphorus (P)P 0 to 0.045
Carbon (C)C 0 to 0.030
Sulfur (S)S 0 to 0.030

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

ASTM A666: Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012

ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Corrosion of Austenitic Stainless Steels: Mechanism, Mitigation and Monitoring, H. S. Khatak and B. Raj (editors), 2002

Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984

Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993

ASM Specialty Handbook: Stainless Steels, J. R. Davis (editor), 1994

Advances in Stainless Steels, Baldev Raj et al. (editors), 2010