This specification covers a high-expansion steel in the form of bars@ forgings@ and forging stock Application Primarily for parts@ such as bushing and spacers@ requiring a coefficient of thermal expansion approaching that of aluminum alloys This steel is hardenable only by cold working
SAE AMS5623D-2017 history
2017SAE AMS5623D-2017 Steel Bars and Forgings@ High Expansion 9.5No - 5.5Mn (0.55 - 0.65C) Annealed (UNS K91456)
2013SAE AMS5623C-2013 Steel Bars and Forgings, High Expansion 9.5No - 5.5Mn (0.55 - 0.65C) Annealed
2010SAE AMS5623C-2010 Steel Bars and Forgings, High Expansion, 9.5Ni - 5.5Mn (0.55 - 0.65C), Annealed
2001SAE AMS5623C-2001 (Noncurrent)Steel Bars and Forgings, High Expansion 9.5Ni - 5.5Mn (0.55 - 0.65C) Annealed UNS K91456
1994SAE AMS5623B-1994 STEEL BARS AND FORGINGS, HIGH EXPANSION 9.5Ni - 5.5Mn (0.55 - 0.65C) Annealed
1990SAE AMS5623B-1990 Steel Bars and Forgings@ High Expansion 9.5Ni - 5.5Mn (0.55 - 0.65C) Annealed
1984SAE AMS5623A-1984 STEEL BARS AND FORGINGS, HIGH EXPANSION 9.5Ni - 5.5Mn (0.55 - 0.65C) Annealed
1981SAE AMS5623-1981 STEEL BARS AND FORGINGS, HIGH EXPANSION 5.5Mn - 9.5Mi (0.55 - 0.65C) Annealed