Electric heating – Heating devices – With heating unit structure
Patent
1989-03-06
1990-08-21
Reynolds, Bruce A.
Electric heating
Heating devices
With heating unit structure
219544, 219553, 29611, 420452, 420453, 338238, H05B 310
Patent
active
049508733
ABSTRACT:
A corrosion-resistant steel tube such as a sheath heater steel tube and boiler tube which exhibit improved resistance to dry corrosion under high temperature dry-corrosive conditions in the presence of chlorides is disclosed. The steel consists essentially of, in % by weight:
REFERENCES:
patent: 3729308 (1973-04-01), Eiselstein et al.
patent: 4280042 (1981-07-01), Shimotori et al.
Akiyama Shunichiro
Fujikawa Hisao
Maruyama Nobuyuki
Shida Yoshiaki
Lateet M. M.
Nippon Stainless Steel Co. Ltd.
Reynolds Bruce A.
Sumitomo Metal Industries Ltd.
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