Steel, Bars, Forgings, and Tubing 0.80cr 1.8ni 0.25mo (0.38-0.43c) (SAE 4340) Vacuum Consumable Electrode Remelted

Standard:
Revised:
  • 2003-06-16
 
  • HISTORICAL Access the latest revision: AMS6414M
Publisher:
  • SAE International
Pages:
11
Scope:

This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.

These products have been typically used for parts requiring through-hardening capability up to 3.5 inches (89 mm) in nominal thickness and subject to rigid magnetic particle inspection standards, but usage is not limited to such applications.

Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking after heat treatment; SAE ARP 1110 recommends practices to minimize such conditions.

History:
Standard Published Revision Status
AMS6414M 2016-12-12 Latest Revised
2012-07-02 Historical Revised
2007-02-27 Historical Revised
2003-06-16 Historical Revised
1998-03-01 Historical Revised
1997-01-01 Historical Revised
1991-10-01 Historical Revised
1985-04-01 Historical Revised
1984-10-01 Historical Revised
1980-04-15 Historical Revised
1973-12-01 Historical Revised
1968-05-01 Historical Revised
1964-01-31 Historical Issued
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