SYMPOSIA PAPER Published: 01 January 1986

Hydrogen—Its Occurrence, Determination, and Control in Steel Forgings


The history of hydrogen-related problems in heavy steel forgings is traced. Hydrogen embrittlement and its manifestation as “fisheyes” and lowered ductility in tension specimens is discussed. Flaking, its occurrence, detection, and control, past and present, is reviewed. Recommendations for hydrogen control in specifications of ASTM Subcommittee A01.06 on Steel Forgings and Billets are presented.

Author Information

Murphy, EL
Forgings, Engineering Materials & Processes, Inc., Pittsburgh
Steiner, JE
Forgings, Engineering Materials & Processes, Inc., Pittsburgh
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Developed by Committee: A01
Pages: 573–582
DOI: 10.1520/STP17380S
ISBN-EB: 978-0-8031-4970-0
ISBN-13: 978-0-8031-0465-5