Activating flux for welding stainless steels

Details Activating flux for welding stainless steels Activating flux for welding stainless steels

2011-03-01

2011-03-01

Le, Emily M. (Department: 1734)

Metal treatment

Compositions

Fluxing

C075S302000

Reexamination Certificate

active

07896979

ABSTRACT:
An activating flux for welding stainless steel includes: from 25 to 40 weight percent of titanium dioxide (TiO2); from 25 to 30 weight percent of chromium oxide (Cr2O3); from 10 to 30 weight percent of silicon dioxide (SiO2); from 10 to 15 weight percent of molybdenum disulphide (MoS2); and from 5 to 15 weight percent of molybdenum trioxide (MoO3), which are active additive materials. A welding rod or wire includes a welding material and an activating flux. The activating flux layer is provided on or in the welding rod or wire and is formed as an outer layer or a core portion of the welding rod or wire.

REFERENCES:
patent: 4086463 (1978-04-01), Omori et al.
patent: 6339209 (2002-01-01), Kotecki
patent: 2005/0199317 (2005-09-01), Chou et al.
patent: 2000326092 (2000-11-01), None

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