1.1 This specification covers hafnium alloyed niobium foil, sheet, strip, and plate. 1.2 The material covered by this specification is R04295, niobium-base alloy containing approximately 10 % hafnium and 1 % titanium.This specification covers foils, sheets, strips, and plates made from UNS R04295 hafnium alloyed niobium ingots and billets. The materials should be in the annealed condition unless otherwise specified. The materials may also be in a forged, rolled, ex