BS 3HR 504. Specification for nickel-chromium-titanium heat-resisting alloy bar and wire for rivets and rivets (Maximum diameter or minor sectional dimension 20 mm) (Nickel base, Cr 19.5, Ti 0.4)
BS 3HR 504 铆钉和铆钉用镍铬钛耐热合金棒材和线材规范(最大直径或较小截面尺寸20mm)(镍基 Cr 19.5 Ti 0.4)