Low antimony lead-based alloys and use thereof

Details Low antimony lead-based alloys and use thereof Low antimony lead-based alloys and use thereof

C - Chemistry, Metallurgy

22

C

319/87, 75/91

C22C 11/10 (2006.01) H01M 4/14 (2006.01)

Patent

CA 1162424

ABSTRACT OF THE DISCLOSURE A lead base alloy containing 1.0%-2.8% antimony, 0.1%-0.4% tin, .005%-.03% selenium, and .004%-.012% silver is disclosed for lead-acid battery grids, the grids in turn being particularly useful for preparation of maintenance-free batteries having superior characteristics. The alloy preferably contains no arsenic other than trace impurity levels; however, in some applications, the presence of minor amounts of arsenic may desirably be included to enhance parting of directly cast grid pairs or to minimize bowing during processing.

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