Method and apparatus for improving the mechanical properties...

Details Method and apparatus for improving the mechanical properties... Method and apparatus for improving the mechanical properties...

B - Operations, Transporting

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K

78/40

B23K 31/00 (2006.01) C21D 1/667 (2006.01) C21D 9/50 (2006.01)

Patent

CA 1082955

ABSTRACT OF THE DISCLOSURE Methods and apparatus are disclosed for improving the mechanical properties in the welded area of butt welded tubular products by thermal treatment after butt welding. The thermal treatment is performed in such a manner that the properties of the welded area are substantially improved without significantly affecting the properties of the tubular products near the weld area.

324949

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