Steel Bars, Forgings, and Rings 0.50cr 0.55ni 0.20mo (0.28-0.33c) (SAE 8630)

Standard:
Revised:
  • 2003-01-22
 
  • HISTORICAL Access the latest revision: AMS6280M
Publisher:
  • SAE International
Pages:
8
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 with sections 0.500 inch (12.70 mm) and under in thickness at the time of heat treatment, requiring a through-hardening steel capable of developing hardness as high as 35 HRC when properly hardened and tempered and also parts of greater thickness but requiring proportionately lower hardness, but usage is not limited to such applications.

History:
Standard Published Revision Status
AMS6280M 2017-08-22 Latest Revised
2012-11-02 Historical Revised
2007-10-16 Historical Revised
2003-01-22 Historical Revised
1995-05-01 Historical Reaffirmed
1978-10-16 Historical Revised
1972-05-15 Historical Revised
1967-11-01 Historical Revised
1964-01-31 Historical Revised
1951-10-01 Historical Revised
1949-08-01 Historical Revised
1943-10-01 Historical Revised
1942-09-01 Historical Issued
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