Title:
HIGH STRENGTH TUBE JOINT FOR ALUMINUM HEAT EXCHANGER
Document Type and Number:
Japanese Patent JPH03126835
Kind Code:
A
Abstract:
PURPOSE: To obtain the Al alloy having high strength suitable for a tube joint of an Al heat exchanger and executable of thinning by adding specified amounts of Zn, Mg, Mn, Si and Cu to Al or furthermore adding Ti, Zr or the like thereto and executing alloying.
CONSTITUTION: An Al alloy contg., by weight, 3 to 5% Zn, 0.15 to <0.5% Mg, 0.8 to 1.2% Mn, 0.3 to 0.9% Si and 0.15 to 0.45% Cu or furthermore contg. one or both of 0.01 to 0.1% Ti and 0.01 to 0.15% Zr is prepd., by which the Al alloy having high strength, excellent in pitting corrosion resistance as well and therefore suitable as a tube joint for an Al heat exchanger can be obtd.
Inventors:
TOMA KEN
MIYAZAKI MASAHIKO
SAITO HIROSHI
MIYAZAKI MASAHIKO
SAITO HIROSHI
Application Number:
JP26370989A
Publication Date:
May 30, 1991
Filing Date:
October 09, 1989
Export Citation:
Assignee:
MITSUBISHI ALUMINIUM
CALSONIC CORP
CALSONIC CORP
International Classes:
C22C21/00; C22C21/10; (IPC1-7): C22C21/00; C22C21/10
Domestic Patent References:
| JPS6440195A | 1989-02-10 | |||
| JPH01152236A | 1989-06-14 |
Attorney, Agent or Firm:
Kazuo Tomita (1 person outside)