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Revision T, December 2013

Complete Document

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

Includes all amendments and changes through Change/Amendment , December 2013

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Product Details:

  • Revision: Revision T, December 2013
  • Published Date: December 2013
  • Status: Historical
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 8
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:


This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings, and stock for forging, flash welded rings or heading.

For purchase of solution treated and aged product, use the applicable AMS slash specification (See 8.4). 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 


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