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Revision F, August 2013

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Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb - 4.0Cu Solution Heat Treated, Precipitation Hardenable Consumable Electrode Remelted

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Product Details:

  • Revision: Revision F, August 2013
  • Published Date: August 2013
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 10
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


This specification covers a premium aircraft-quality corrosion-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings in the solution heat treated condition (See 8.4), and stock for forging, flash welded rings, or heading.

For purchases 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:

AMS5622/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 subject 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).


Product covered by this specification is classified as follows:

Type I - Steel multiple melted using vacuum consumable electrode in the final melt.

Type II - Steel multiple melted using electroslag process in the final melt.

Unless a specific type is ordered, either type may be supplied.
AIA/NAS Aerospace Standards