Heat exchanger tubing by continuous extrusion

Details Heat exchanger tubing by continuous extrusion Heat exchanger tubing by continuous extrusion

2005-06-21

2010-06-08

Zimmerman, John J (Department: 1794)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C148S439000, C420S528000, C165S905000

Reexamination Certificate

active

07732059

ABSTRACT:
A heat exchanger tube having enhanced corrosion resistance and improved resistance to high burst pressures. The heat exchanger tube comprises an aluminum alloy that consists essentially of about 0.01-1.5% silicon, up to about 1.2% copper, up to about 2.0% manganese, about 0.01-1.0% iron, about 0.01-5.0% zinc, up to about 0.02% titanium and the balance substantially aluminum and incidental elements and impurities.

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