Alloy 510 phosphor bronze strip, ASTM B 103, offers excellent corrosion resistance and good strength and electrical conductivity. Gibbs stocks Grade A phosphor bronze in spring temper (8#'s hard) in the B 92-98 Rockwell range. Gibbs stocks gauge ranges from 0.006" - 0.031"
Beryllium copper strip is "available on application" in various alloys. Contact your local Gibbs service center for more details.