Title:
CORROSION RESISTANT COPPER TUBE FOR HEAT EXCHANGER
Document Type and Number:
Japanese Patent JPH06323780
Kind Code:
A
Abstract:
PURPOSE: To provide a corrosion resistant copper tube for a heat exchanger which can restrain the generation of blowhole-like corrosion made by ants.
CONSTITUTION: An oil film which contains ester-base additives and which does not contain fatty acid additives is attached to the surface of a corrosion resistant copper tube for a heat exchanger. An average amount of residual oil of the oil film at the assembly of the heat exchanger is set in the range from 0.01 to 20.0mg/m2.
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Inventors:
TSUCHIYA AKINORI
Application Number:
JP11066193A
Publication Date:
November 25, 1994
Filing Date:
May 12, 1993
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
F28F19/06; F28F19/00; (IPC1-7): F28F19/06
Attorney, Agent or Firm:
Masanori Fujimaki