DEVELOPMENT OF AN HY-130/150 WELDMENT.
Quarterly progress rept. no. 1, 1 June-30 Sep 63,
UNITED STATES STEEL CORP PITTSBURGH PA
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Base-metal studies of a series of 5Ni-Cr-Mo Laboratory steels indicated that a 5Ni-0.75Mn-0.5Cr0.5Mo-0.07V steel exhibited an excellent combination of strength and toughness, excellent tempering characteristics, and adequate hardenability for a 4-in. thick water-quenched plate. The results of these Laboratory studies are so promising that an 80-ton heat of the aforementioned steel will be produced during the week of October 7, 1963, for extensive evaluation, including an evaluation of its compatibility with the most promising HY-130150 filler metal. Studies of other types of HY-130150 steels and of the effect of minor elements on the properties of HY-130150 steels will be continued. Author