Coated steel part with regions of different ductility

Details Coated steel part with regions of different ductility Coated steel part with regions of different ductility

2006-05-09

2006-05-09

Zimmerman, John J. (Department: 1775)

Metal treatment

Process of modifying or maintaining internal physical...

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

C148S531000, C148S533000, C148S902000, C427S431000, C427S433000, C428S614000, C428S659000, C428S653000, C428S939000

Reexamination Certificate

active

07041181

ABSTRACT:
A hardenable steel workpiece having two regions is first hardened so that both regions are of generally the same low ductility. Then only one of the regions is hot coated so as to increase the ductility of the one region while not heating and changing the ductility of the other region. The workpiece can be hardened by hot working or tempering. The hot coating can be done by dipping the one region in molten zinc.

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patent: 2001-303180 (2001-10-01), None
patent: 2003-013177 (2003-01-01), None

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