SYMPOSIA PAPER Published: 01 January 1945
STP42585S

Some Observations of Stress-Corrosion Cracking in Austenitic Stainless Alloys

Source

Austenitic stainless alloys are susceptible to stress-corrosion cracking which may occur under certain corrosion environments irrespective of their susceptibility to intergranular corrosion.

Test samples are described for investigating stress-corrosion susceptibility of alloys for industrial equipment.

A laboratory test using a solution of magnesium chloride boiling at 309 F. was found to produce transgranular cracks in several alloys investigated and in types 347 and 316 stainless steel tubing a residual stress of the order of 10,000 psi. was observed to initiate cracking.

The susceptibility to stress-corrosion cracking as judged by the boiling magnesium chloride test indicates that alloys may be selected which will withstand a high stress in service.

Stressed specimens of stainless alloys included in a corrosion testing program will aid in determining the acceptibility of these fabricated alloys, when stressed, to the service conditions.

Author Information

Scheil, M., A.
A. O. Smith Corp., Milwaukee, Wis.
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Details
Developed by Committee: B05
Pages: 395–410
DOI: 10.1520/STP42585S
ISBN-EB: 978-0-8031-5903-7
ISBN-13: 978-0-8031-6057-6