Seam-welded air hardenable steel constructions

Details Seam-welded air hardenable steel constructions Seam-welded air hardenable steel constructions

2007-06-19

2007-06-19

Johnson, Jonathan (Department: 1725)

Metal fusion bonding

Process

Critical work component, temperature, or pressure

C228S144000, C228S149000, C228S150000, C228S199000, C228S200000, C228S231000, C072S051000, C148S592000

Reexamination Certificate

active

11143848

ABSTRACT:
The present invention provides seam-welded, air hardenable steel tubes, methods of manufacturing seam-welded air hardenable steel tubes, tube mills for practicing such methods and applications for using seam-welded, air hardenable steel tubing of the present invention.

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