Heat-to-Heat Variation in Creep Properties of Types 304 and 316 Stainless Steels

[+] Author and Article Information
V. K. Sikka, H. E. McCoy, M. K. Booker, C. R. Brinkman

Oak Ridge National Laboratory, Oak Ridge, Tenn.

J. Pressure Vessel Technol 97(4), 243-251 (Nov 01, 1975) (9 pages) doi:10.1115/1.3454303 History: Received March 27, 1975; Online October 25, 2010


A wide variation in creep-rupture and long-term creep properties of 20 heats of type 304 and seven heats of type 316 stainless steel was observed. The observed variation in 1000-hr creep-rupture strength, SRt , has been related to the corresponding ultimate tensile strength variation, Sur , by a relationship of the form:

SRt = α exp (β Sur),
where α and β are material constants. This relationship between creep-rupture strength and ultimate tensile strength was further extended for minimum-expected 105 -hr creep-rupture strength data reported in the literature. The heat-to-heat variation in ultimate tensile strength for both types 304 and 316 stailness steel was explained in terms of carbon plus nitrogen content and grain intercept, d, by a relationship of the form Sur = A(C + N)−1/2 + B, where A and B are constants for a given temperature. The time to onset of third-stage creep for various heats of type 304 and 316 stainless steel was related to time to rupture by relationships that are independent of test temperature, for test times reaching 22,622 hr.

Copyright © 1975 by ASME
Your Session has timed out. Please sign back in to continue.





Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In