SAE AMS-S-6758 Revision A, September 1, 2003
Steel, Chrome-Molybdenum (4130) Bars and Reforging Stock (Aircraft Quality)
Includes all amendments and changes through Reaffirmation Notice , April 2013
Additional Comments: NONCURRENT
Published By:SAE International (SAE)
The material covered by this specification is intended for general use in the manufacture of parts and componets hardened dy heat treatment to tensile a strengh of 180,000 psi or less.it is weldable dy fusion methods. The hardenability and weldability of this material are considered equivalent to that of mil-s-6050.