SAE AMS4770E-1974
BRAZING FILLER METAL@ SILVER 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160° - 1175° F (627° - 635° C) Melting Range

Standard No.

SAE AMS4770E-1974

Release Date

1974

Published By

SAE - SAE International

Status

Be replaced 2012-12

Replace By

SAE AMS4770F-1978

Latest

SAE AMS4770L-2015

Scope

Form: This specification covers a silver-base alloy in the form of wire@ rod@ strip@ sheet@ pig@ powder@ shot@ and chips. Application: Primarily for joining ferrous metals@ including austenitic steels@ where high joint strength up to 400?? (204??) is required@ and for joining nonferrous metals except those having base of aluminum or magnesium.

SAE AMS4770E-1974 history

• 2015 SAE AMS4770L-2015 Silver Alloy Brazing Filler Metal 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160 to 1175 °F (627 to 635 °C) Solidus-Liquidus Range
• 2009 SAE AMS4770K-2009 Silver Alloy Brazing Filler Metal 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160 to 1175 °F (627 to 635 °C) Solidus-Liquidus Range
• 1999 SAE AMS4770K-1999 Silver Alloy Brazing Filler Metal 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160 to 1175 Degrees F (627 to 635 Degrees C) Solidus-Liquidus Range UNS P07500
• 1992 SAE AMS4770J-1992 Silver Alloy Brazing Filler Metal 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160 to 1175 Degrees F (627 to 635 Degrees C) Solidus -Liquidus Range
• 1992 SAE AMS4770-1992 BRAZING ALLOY Silver
• 1991 SAE AMS4770H-1991 FILLER METAL@ SILVER BRAZING 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160° - 1175°F (627° - 635°C) Solidus -Liquidus Range (UNS P07500)
• 1984 SAE AMS4770G-1984 BRAZING FILLER METAL@ SILVER 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160° - 1175°F (625° - 635°C) Solidus -Liquidus Range (UNS P07500)
• 1978 SAE AMS4770F-1978 BRAZING FILLER METAL@ SILVER 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160° - 1175°F (625° - 635°C) Solidus -Liquidus Range (UNS P07500)
• 1974 SAE AMS4770E-1974 BRAZING FILLER METAL@ SILVER 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160° - 1175° F (627° - 635° C) Melting Range
• 1972 SAE AMS4770D-1972 BRAZING FILLER METAL@ SILVER 50Ag - 18Cd - 16.5Zn - 15.5Cu 1160 - 1175 F (627 - 635 C) Melting Range
• 1966 SAE AMS4770C-1966 BRAZING ALLOY@ SILVER 50Ag - 18Cd - 16.5Zn - 15.5Cu
• 1952 SAE AMS4770B-1952 BRAZING ALLOY@ SILVER 50Ag - 18Cd - 16.5Zn - 15.5Cu
• 1945 SAE AMS4770A-1945 BRAZING ALLOY Silver