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SAE AMS 5557K-2022
Steel, Corrosion- and Heat-Resistant, Seamless or Welded Hydraulic Tubing 18.5Cr - 10.5Ni - 0.40Ti (SAE 30321) Solution Heat Treated
This specification covers a corrosion- and heat-resistant steel in the form of seamless or welded and drawn tubing.
Society of Automotive Engineers [sae]