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SAE AMS5643

Revision V, January 1, 2018

Complete Document

Steel, Corrosion-Resistant, Bars, Wire, Forgings, Mechanical Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb (Nb) - 4.0Cu Solution Heat Treated, Precipitation Hardenable



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Product Details:

  • Revision: Revision V, January 1, 2018
  • Published Date: January 2018
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 9
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

Form

This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings up to 8.0 inches (203 mm) in diameter or least distance between parallel sides, and stock of any size for forging, flash welded rings or heading.

For purchase of solution treated and aged product, use the applicable AMS slash specification. If a slash sheet description is not specified, solution annealed material shall be supplied. A specific example of a slash specification is:

AMS5643/H1025 – Precipitation Hardened to H1025 condition.

Application

These products have been used typically for parts requiring corrosion resistance and high strength up to 600 °F (316 °C), but usage is not limited to such applications.

Certain processing procedures and service conditions may cause these products to become susceptible to stresscorrosion cracking; ARP1110 recommends practices to minimize such conditions.

For applications, such as bolting, where stress-corrosion is a possibility, the product should be precipitation heat treated for not less than 4 hours at the highest temperature compatible with the strength requirements but in no case lower than 1025 °F (552 °C).
AIA/NAS Aerospace Standards