Type:This specification covers balls made of a low-chromium@ high-carbon steel.Application:Primarily for bearing balls. The particular alloy to be chosen depends on the size of the ball and the manufacturer??s techniques.
SAE AMS7440D-1996 history
2016SAE AMS7440E-2016 Balls@ Steel@ Low-Chromium@ High Carbon Hardened and Tempered (Stabilzed Type)
2011SAE AMS7440D-2011 Balls, Steel, Low-Chromium, High Carbon Hardened and Tempered
1996SAE AMS7440D-1996 Balls@ Steel@ Low-Chromium@ High Carbon Hardened and Tempered
1988SAE AMS7440D-1988 Balls, Steel, Low-Chromium, High-Carbon Hardened and Tempered
1988SAE AMS7440C-1988 BALLS@ LOW-CHROMIUM@ HIGH-CARBON STEEL Hardened and Tempered