The present invention is a key that includes a key head and a key blade, the key blade being
connected to the key head. The key head and the key blade are each manufactured from an …

There are provide a nickel elution prevention method for preventing a water-contact
instrument made of copper alloy from eluting nickel even when being water-contact with a …

In view of the above, an aspect of the present inven tion is to develop a low lead brass alloy
material and improved process of the same. 0011. In order to attain the above and other …

US6447616B1 - Method for treating brass - Google Patents US6447616B1 - Method for
treating brass - Google Patents Method for treating brass Download PDF Info Publication …

US6432210B1 - Method for treating brass - Google Patents US6432210B1 - Method for treating
brass - Google Patents Method for treating brass Download PDF Info Publication number …

(54) METHOD FOR PREVENTING ELUTION OF 6,013,382 A 1/2000 Coltrinari et al. LEAD
AND/OR NICKEL FROM COPPER 6,197.210 B1 3/2001 Myerson ALLOY PPING MATERAL …

US6830629B2 - Method for treating brass - Google Patents US6830629B2 - Method for
treating brass - Google Patents Method for treating brass Download PDF Info Publication …

There are provide a nickel elution prevention method for preventing a water-contact
instrument made of copper alloy from eluting nickel even when being water-contact with a …

0011. The environmental friendly brass alloy includes 0.4 to 0.8 wt% of aluminum: 0.6 to 1.6
wt% of nickel; 0.8 to 2.0 wt% of tin; more than 95.6 wt% of copper and zinc.; and less than …

This invention relates to a plumbing device made of a copper alloy containing nickel salt,
that includes a valve and a tube coupling having at least a liquid-contacting part washed …