SYMPOSIA PAPER Published: 01 January 1967
STP46451S

Application of an Accelerated Stress Corrosion Test to Alloy Development

Source

A direct-tensile type of stress corrosion test was used to develop a corrosion resistant alloy that is relatively lean in nickel content as compared to other alloys that are immune to cracking in boiling magnesium chloride. This new alloy also is readily hot worked and welded. The same type of test specimen was used to evaluate the susceptibility of Type 410 and 17-4 PH stainless steels in several heat-treated conditions to stress cracking in environments containing hydrogen sulfide. The resistance of these alloys to cracking was found to be improved by tempering or overaging to lower strength levels, confirming earlier findings obtained on other types of tests. When heat treated to equal levels of yield strength, 17-4 PH was somewhat more resistant to cracking than Type 410.

Author Information

Denhard, E., E.
Armco Steel Corp., Baltimore, Md.
Gaugh, R., R.
Armco Steel Corp., Baltimore, Md.
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Details
Developed by Committee: G01
Pages: 41–50
DOI: 10.1520/STP46451S
ISBN-EB: 978-0-8031-6808-4
ISBN-13: 978-0-8031-6638-7