SEDL / STP / STP543-EB / STP38925S

Mechanical Testing Methods

Groeneveld, TP
Research metallurgist and manager, Ferrous Metallurgy Section, Battelle-Columbus, Columbus, Ohio

Elsea, AR
Research metallurgist and manager, Ferrous Metallurgy Section, Battelle-Columbus, Columbus, Ohio

Pages: 9    Published: Jan 1974

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Abstract

An experimental approach and experimental procedures for evaluating the hydrogen-stress cracking (HSC) of steels as a result of hydrogen absorbed during processing or service are described. The procedures involve sustained loading of specimens while they are being charged with hydrogen under conditions that provide hydrogen-entry rates or result in hydrogen contents representative of those obtained from processing or service environments. The procedures can be used to evaluate the relative susceptibilities of various steels to HSC or to evaluate the tendencies for processing or service environments to cause HSC in steels.