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1/8-Hard 301L Stainless Steel

1/8-hard AISI 301L is AISI 301L stainless steel in the 1/8-hard temper. The graph bars on the material properties cards below compare 1/8-hard AISI 301L 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

260

Elastic (Young's, Tensile) Modulus

200 GPa 28 x 106 psi

Elongation at Break

39 %

Fatigue Strength

400 MPa 59 x 103 psi

Poisson's Ratio

0.28

Shear Modulus

77 GPa 11 x 106 psi

Shear Strength

580 MPa 84 x 103 psi

Tensile Strength: Ultimate (UTS)

850 MPa 120 x 103 psi

Tensile Strength: Yield (Proof)

470 MPa 69 x 103 psi

Thermal Properties

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

410 °C 770 °F

Maximum Temperature: Mechanical

890 °C 1640 °F

Melting Completion (Liquidus)

1430 °C 2600 °F

Melting Onset (Solidus)

1390 °C 2530 °F

Specific Heat Capacity

480 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

15 W/m-K 8.8 BTU/h-ft-°F

Thermal Expansion

16 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.7 % IACS

Otherwise Unclassified Properties

Base Metal Price

13 % relative

Density

7.8 g/cm3 490 lb/ft3

Embodied Carbon

2.7 kg CO2/kg material

Embodied Energy

39 MJ/kg 17 x 103 BTU/lb

Embodied Water

130 L/kg 16 gal/lb

Common Calculations

PREN (Pitting Resistance)

19

Resilience: Ultimate (Unit Rupture Work)

280 MJ/m3

Resilience: Unit (Modulus of Resilience)

570 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

30 points

Strength to Weight: Bending

26 points

Thermal Diffusivity

4.1 mm2/s

Thermal Shock Resistance

19 points

Alloy Composition

Iron (Fe)Fe 70.7 to 78
Chromium (Cr)Cr 16 to 18
Nickel (Ni)Ni 6.0 to 8.0
Manganese (Mn)Mn 0 to 2.0
Silicon (Si)Si 0 to 1.0
Nitrogen (N)N 0 to 0.2
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

Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016

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

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

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