Revision as of 03:12, 4 December 2024 by Admin(talk | contribs)(Created page with "An alloy of 64% iron 36% nickel. It has extremely low thermal expansion ({{e|1.2|−6}}, even lower than Kovar ) making it useful for clock parts, particularly pendulums. Category:Alloys")
An alloy of 64% iron 36% nickel. It has extremely low thermal expansion (1.2×10−6, even lower than Kovar ) making it useful for clock parts, particularly pendulums.