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Cold Finished 316 Stainless Steel

Cold finished AISI 316 is AISI 316 stainless steel in the cold worked (strain hardened) condition. It has the lowest strength compared to the other variants of AISI 316 stainless steel. The graph bars on the material properties cards below compare cold finished AISI 316 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

160

Elastic (Young's, Tensile) Modulus

200 GPa 29 x 106 psi

Elongation at Break

37 %

Fatigue Strength

340 MPa 50 x 103 psi

Poisson's Ratio

0.28

Reduction in Area

80 %

Rockwell B Hardness

80

Shear Modulus

78 GPa 11 x 106 psi

Shear Strength

350 MPa 51 x 103 psi

Tensile Strength: Ultimate (UTS)

520 MPa 76 x 103 psi

Tensile Strength: Yield (Proof)

410 MPa 60 x 103 psi

Thermal Properties

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

410 °C 770 °F

Maximum Temperature: Mechanical

590 °C 1090 °F

Melting Completion (Liquidus)

1400 °C 2550 °F

Melting Onset (Solidus)

1380 °C 2510 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

15 W/m-K 8.9 BTU/h-ft-°F

Thermal Expansion

16 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.6 % IACS

Otherwise Unclassified Properties

Base Metal Price

19 % relative

Calomel Potential

-50 mV

Density

7.9 g/cm3 490 lb/ft3

Embodied Carbon

3.9 kg CO2/kg material

Embodied Energy

53 MJ/kg 23 x 103 BTU/lb

Embodied Water

150 L/kg 18 gal/lb

Common Calculations

PREN (Pitting Resistance)

26

Resilience: Ultimate (Unit Rupture Work)

180 MJ/m3

Resilience: Unit (Modulus of Resilience)

430 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

18 points

Strength to Weight: Bending

18 points

Thermal Diffusivity

4.1 mm2/s

Thermal Shock Resistance

11 points

Alloy Composition

Iron (Fe)Fe 62 to 72
Chromium (Cr)Cr 16 to 18
Nickel (Ni)Ni 10 to 14
Molybdenum (Mo)Mo 2.0 to 3.0
Manganese (Mn)Mn 0 to 2.0
Silicon (Si)Si 0 to 0.75
Nitrogen (N)N 0 to 0.1
Carbon (C)C 0 to 0.080
Phosphorus (P)P 0 to 0.045
Sulfur (S)S 0 to 0.030

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

Followup Questions

Further Reading

ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

ASTM A276: Standard Specification for Stainless Steel Bars and Shapes

Creep-Resistant Steels, Fujio Abe et al. (editors), 2008

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

Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011

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