Corrosion-resistant, double-wall pipe structures
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United States of America Patent
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-
Dec 3, 1985
Grant Date -
N/A
app pub date -
Jul 29, 1982
filing date -
Jul 29, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a corrosion-resistant, double-wall pipe structure formed by tightly fitting a stainless-steel inner pipe in an outer pipe, the inner pipe at any portion thereof which is liable to be adversely affected by heat due to heat processing is replaced by an inner tube of a special metal having corrosion resistance which is not easily impaired by the heat, the inner tube being joined integrally to the remainder portion of the inner pipe of the stainless steel. Examples of the special metal are Inconel 625, Incoloy 825, and Hastelloy.
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