Electric heating – Metal heating – Of cylinders
Patent
1992-08-25
1994-04-05
Shaw, Clifford C.
Electric heating
Metal heating
Of cylinders
219137WM, B23K 923
Patent
active
053007514
ABSTRACT:
Disclosed is a gas-shield arc welding method in which chemical components of base material and weld material (gas-shield arc welding wire), chemical component ranges of weld metal based on the base material and the weld material, especially, difference (.DELTA.(Cu+Ni), .DELTA.Mo) of Cu, Ni and Mo between the weld metal and the base material, and welding conditions are limited for the purpose of improvement preferential corrosion resistance, toughness and crack resistance of the weld metal in circumferential welding of a pipe exposed into a corrosion environment including CO.sub.2.
REFERENCES:
patent: 4143258 (1979-03-01), McCann et al.
patent: 4426426 (1984-01-01), Muhlberger
Iron and Steel-"Journal of the Iron and Steel Institute", (published by the Iron and Steel Institute of Japan), vol. 72, No. 12, Sep. 1986, pp. 1265-1266.
Material-"Journal of the Society of Materials Science, Japan"(published by the Society of Material Science, Japan), vol. 38, No. 424, Jan. 1989, pp. 62-68.
Endo Shigeru
Itoh Motokiyo
Konishi Masato
Nagae Moriyasu
Nakano Toshihiko
(Kobe Steel, Ltd.)
Meller Michael N.
NKK Corporation
Shaw Clifford C.
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