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SAE AMS4387 Revision E, February 1, 2006
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Active, Most Current
Magnesium Alloy Extrusions 2.3Zn - 0.62Zr (ZK21A-F) As Extruded
Includes all amendments and changes through Reaffirmation Notice , April 2012
Additional Comments: NONCURRENT
Page Count:5
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AIA/NAS Aerospace Standards

This specification covers a copper-beryllium alloy in the form of bars and rods.


These products have been used typically for parts requiring a combination of high strength, wear resistance, and corrosion resistance, and where thermal conductivity, electrical conductivity, and low magnetic susceptibility may be important, but usage is not limited to such applications.

Safety - Hazardous Materials:

While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.