UOE steel pipe excellent in collapse strength and method of...

Details UOE steel pipe excellent in collapse strength and method of... UOE steel pipe excellent in collapse strength and method of...

2011-06-28

2011-06-28

King, Roy (Department: 1733)

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

C228S157000

Reexamination Certificate

active

07967926

ABSTRACT:
The present invention relates to UOE steel pipe excellent in collapse characteristics formed by the UOE production method and a method for forming this UOE steel pipe, said UOE steel pipe characterized in that a ratio between compression and tension of yield strength in the circumferential direction is at least 1.05 near the inside surface and is at least 0.9 to not more to 1.0 from the center of plate thickness to the outside surface.

REFERENCES:
patent: 3849209 (1974-11-01), Ishizaki et al.
patent: 6648209 (2003-11-01), Hohl et al.
patent: 6782921 (2004-08-01), Tsuru et al.
patent: 2002/0066491 (2002-06-01), Lively
patent: 2003/0217795 (2003-11-01), Asahi et al.
patent: 2005/0178456 (2005-08-01), Tsuru et al.
patent: 9-1233 (1997-01-01), None
patent: 9-3545 (1997-01-01), None
patent: 9-49025 (1997-02-01), None
patent: 10-176239 (1998-06-01), None
patent: 2002-102931 (2002-04-01), None
UOE, Nov. 20, 1980, pp. 1112-1121, 1129-1131.

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