SAE AMS4890-1956
COPPER-BERYLLIUM ALLOY CASTINGS@ PRECISION INVESTMENT 2Be - 0.4Co - 0.3Si

Standard No.

SAE AMS4890-1956

Release Date

1956

Published By

SAE - SAE International

Status

Be replaced 2012-12

Replace By

SAE AMS4890A-1960

Latest

SAE AMS4890D-2018

Scope

Application: Primarily for small parts of intricate design requiring good corrosion resistance and high strength.

SAE AMS4890-1956 history

• 2018 SAE AMS4890D-2018 Copper-Beryllium Alloy Castings 97Cu - 2.1Be - 0.52Co - 0.28Si Solution Heat Treated (TB00) (UNS C82500)
• 2012 SAE AMS4890C-2012 Copper-Beryllium Alloy Castings 97Cu - 2.1Be - 0.52Co - 0.28Si Solution Heat Treated (TB00)
• 2005 SAE AMS4890C-2005 Copper-Beryllium Alloy Castings, 97Cu 2.1Be 0.52Co 0.28Si, Solution Heat Treated (TB00)
• 2000 SAE AMS4890B-2000 Copper-Beryllium Alloy Castings 97Cu - 2.1Be - 0.52Co - 0.28Si Solution Heat Treated (TB00)
• 1993 SAE AMS4890B-1993 Copper Beryllium Alloy Castings, 97Cu 2.1Be 0.52Co 0.28Si, Solution Heat Treated (TB00) (Reaffirmed: 01 Sept 2000)
• 1960 SAE AMS4890A-1960 COPPER-BERYLLIUM ALLOY CASTINGS@ INVESTMENT 2Be - 0.4Co - 0.3Si
• 1956 SAE AMS4890-1956 COPPER-BERYLLIUM ALLOY CASTINGS@ PRECISION INVESTMENT 2Be - 0.4Co - 0.3Si