Process of producing thick-walled composite metal tubing

Details Process of producing thick-walled composite metal tubing Process of producing thick-walled composite metal tubing

1986-07-11

1988-11-15

Moon, Charlie T.

Metal fusion bonding

Process

Encasing a rodlike core within a substantially coextensive...

29516, 29520, 138142, 228155, 2281732, 22826315, B21D 3904, B23K 100

Patent

active

047843110

ABSTRACT:
A thick-walled composite metal tubing comprising an inner tubular member made of a steel pipe and an outer tubular member made of a carbon steel pipe which are press-fitted together with integration bonding thereof involving disappearance of the boundary interface at least in part of the inner and outer tubular members, and process for producing the same.

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patent: 4125924 (1978-11-01), Goetze et al.
patent: 4336958 (1982-06-01), Goetzinger

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