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SAE AMS4774

Revision G, December 1, 2015

Complete Document

Silver Alloy Brazing Filler Metal 63Ag – 28.5Cu – 6.0Sn – 2.5Ni 1275 to 1475 °F (691 to 802 °C) Solidus-Liquidus Range



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Product Details:

  • Revision: Revision G, December 1, 2015
  • Published Date: December 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 6
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

Form

This specification covers a silver alloy in the form of wire, rod, sheet, strip, foil, pig, powder, shot, and chips and a viscous mixture (paste) of powder in a suitable binder.

Application

This material has been used typically for joining ferrous metals, including austenitic steels and alloys, requiring moderate joint strength up to 700 °F (371 °C) for short-time service or up to 400 °F (204 °C) for long-time service, and for joining nonferrous metals except those having a base of aluminum, magnesium, or titanium, but usage is not limited to such applications.

The nickel content helps minimize crevice corrosion in corrosion resistant steels. 
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