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SAE AMS 5646R-2021
Steel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Mechanical Tubing, Rings and Forging Stock 18Cr - 11Ni - 0.60Cb(Nb) (347) Solution Heat Treated
This specification covers a corrosion and heat-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings.
Society of Automotive Engineers [sae]