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AMS4426B - Castings, Sand, Magnesium Alloy 5.1Y - 3.0Re - 0.70Zr (WE54 - T6) Solution and Precipitation Heat Treated

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Document Number: AMS4426B
Project Initiation: 10-08-2012
Project Number:
Revision Number: B
Sponsor Name: Kenneth J. Clark
Title
Castings, Sand, Magnesium Alloy 5.1Y - 3.0Re - 0.70Zr (WE54 - T6) Solution and Precipitation Heat Treated
Scope
This specification covers a magnesium alloy in the form of sand castings. These castings have been used typically for parts requiring high yield strength up to 570 degrees F (299 degrees C) and excellent corrosion resistance, but usage is not limited to such applications.
Rationale
AMS4426B revises chemical analysis standards (3.1), sampling requirements for chemical analysis (4.3.1), removes the requirement for determination of soluble zirconium (Table 1, 3.1.2), revises Packaging (5.2.1), and is a Five Year Review and update of this specification.
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