SYMPOSIA PAPER Published: 01 January 1956
STP44984S

Influence of Boron on Cast Cobalt-Base S-816 Alloy

Source

Cast cobalt-base alloys with stress-rupture properties at 1650 F equivalent to those of S-816 alloy at 1500 F were developed in the investigation described. This outstanding strengthening effect resulted from additions of boron, the influence of which was studied extensively. Optimum rupture strengths plus good rupture ductility are obtained with approximately 1 per cent boron. The boron range is wide enough to permit commercial production. These alloys also possess excellent casting characteristics.

Author Information

Blatz, W., E.
Allegheny Ludlum Steel Corp., Watervliet, N. Y.
Reynolds, E., E.
Allegheny Ludlum Steel Corp., Watervliet, N. Y.
Dyrkacz, W., W.
Allegheny Ludlum Steel Corp., Watervliet, N. Y.
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Details
Developed by Committee: E01
Pages: 16–28
DOI: 10.1520/STP44984S
ISBN-EB: 978-0-8031-5933-4
ISBN-13: 978-0-8031-6087-3