Use of a low-alloyed copper alloy and hollow profile...

Details Use of a low-alloyed copper alloy and hollow profile... Use of a low-alloyed copper alloy and hollow profile...

2007-01-09

2007-01-09

Ip, Sikyin (Department: 1742)

Metal treatment

Stock

Copper base

C420S472000

Reexamination Certificate

active

10638605

ABSTRACT:
Use of a low-alloyed, phosphorus-deoxidized copper alloy (DHP-Cu) for manufacturing hollow profile components by internal high-pressure forming, the copper alloy having the following composition: 0.030 to 0.080 wt-% of at least one element of a group including tin (Sn), Zinc (Zn), iron (Fe), silver (Ag) and at least 99.90 wt-% of (Cu) as well as unavoidable impurities as the remainder. Because of its cold work hardening properties, such a copper alloy is especially suitable for the manufacture of hollow profile components by internal high-pressure forming.

REFERENCES:
patent: 5004520 (1991-04-01), Tsuji et al.
patent: 5792333 (1998-08-01), Oguro et al.
patent: 6202703 (2001-03-01), Kuroda et al.
patent: 06-184669 (1994-05-01), None
patent: 2002129261 (2002-05-01), None

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