SYMPOSIA PAPER Published: 23 August 2016
STP19619570001

Studies of Type 301 Stainless Steel Columns

Source

The study of the behavior in compression of structural elements made of type 301 austenitic stainless steel has been carried out. Buckling tests on columns of this material have shown that experimental values for slenderness ratios above about 40 agree pretty well and are only slightly higher than those predicted by Watter and Lincoln (I).4 For slenderness ratio values below about 40, buckling of the wide faces, rather than of the column as a whole, occurred for stresses near to those calculated by Watter and Lincoln for the particular type of cross-section used in the present work.

“Creep” (that is, straining under constant load at room temperature) or cycling the applied load has no effect on the final stress-strain compression curve: that is to say, the curve obtained in the above manner is identical with the curve that would have been obtained had there been no creep or cycling. However, the stress-strain relationship in the column after previous stressing and then relieving the stress to zero is entirely different from the original relationship. In the instance of the second loading, the ratio of strain to stress becomes linear almost up to the previously applied stress.

The beneficial effects of heat treatment at relatively low temperatures on the stress-strain relationship in compression have been uncovered.

Author Information

Dubuc, Julien
Ecole Polytechnique, Montreal, CA
Krivobok, V., N.
Development and Research Division, The International Nickel Co., Inc., New York, N. Y., US
Welter, Georges
Ecole Polytechnique, Montreal, CA
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Developed by Committee: E08
Pages: 1–21
DOI: 10.1520/STP19619570001
ISBN-EB: 978-0-8031-6976-0
ISBN-13: 978-0-8031-6545-8