Sheath heater
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 3, 1988
Issued Date -
N/A
app pub date -
May 20, 1987
filing date -
Apr 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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: C: not more than 0.05%, Si: 0.1-2.0%, Mn: not more than 2.0%, Cr: 18-26%, Ni: 16-30%, at least one of Mo: 0.5-4.0%, W: 0.01-4.00%, and V: 0.01-4.00%, N: 0-0.25%, (Ti+Nb): 0-1.5%, and the balance iron and incidental impurities.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully