Steel, Bars, Forgings and Rings, 0.95Cr - 0.20Mo (0.38 - 0.43C) (SAE 4140), Annealed

Standard:
Reaffirmed:
  • 2006-02-09
 
  • HISTORICAL Access the latest revision: AMS6382P
Publisher:
  • SAE International
Pages:
9
Scope:

This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, flash welded rings, and stock for forging or flash welded rings.

These products have been used typically for parts, 0.50 inch (12.7 mm) and under in nominal section thickness at time of heat treatment, requiring a through-hardened steel capable of developing hardness as high as 50 HRC when properly hardened and for parts of greater thickness but requiring proportionally lower hardness, 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; ARP1110 recommends practices to minimize such conditions.

History:
Standard Published Revision Status
AMS6382P 2014-08-22 Latest Revised
2010-05-17 Historical Revised
2006-02-09 Historical Reaffirmed
1995-05-01 Historical Revised
1990-10-01 Historical Revised
1981-07-01 Historical Revised
1974-12-15 Historical Revised
1969-11-01 Historical Revised
1967-11-01 Historical Revised
1964-01-31 Historical Revised
1951-06-01 Historical Revised
1950-12-01 Historical Revised
1946-01-01 Historical Revised
1942-03-01 Historical Revised
1939-12-04 Historical Issued
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