Handy & Harman/Lucas-Milhaupt Brazing Filler Metals

Cadmium-Free Filler Metals

This table is intended to cover only a few typical applications of the most frequently used brazing filler metals. For special brazing problems, contact our Technical Services Department.

Filler Metal name: Braze 650
Typical Applications: For silverware, iron and nickel alloys.
Solidus: 1240'F/670'C
Liquidus: 1325'F/720'C
Max. Recom. Brazing Temp. 'F: 1500
Nominal Composition,%: 65Ag 20Cu 15Zn
Joint Color as Brazed: White
Density Troy oz/cu in: 5.06
Electrical Characteristics
  • Conduct. % IACS: 21.3
  • Resistivity microhm-cm: 8.1

Filler Metal name: Braze 655
Typical Applications: For brazing Invar, Kovar and similar alloys to copper in vacuum tubes; as jet engine rubbing seals.
Solidus: 1385'F/750'C
Liquidus: 1560'F/850'C
Max. Recom. Brazing Temp. 'F: 1700
Nominal Composition,%: 65Ag 28Cu 5Mn 2Ni
Joint Color as Brazed: White
Density Troy oz/cu in: 5.20
Electrical Characteristics
  • Conduct. % IACS: 12.8
  • Resistivity microhm-cm: 13.4

Filler Metal name: Braze 700
Typical Applications: For silverware, when subsequent joints are made with Braze 650.
Solidus: 1275'F/690'C
Liquidus: 1360'F/740'C
Max. Recom. Brazing Temp. 'F: 1550
Nominal Composition,%: 70Ag 20Cu 10Zn
Joint Color as Brazed: White
Density Troy oz/cu in: 5.15
Electrical Characteristics
  • Conduct. % IACS: 26.7
  • Resistivity microhm-cm: 6.45

Filler Metal name: Braze 715; 716 (VTG)
Typical Applications: Filler metal and high conductivity, similar to Braze 720, but suitable for both ferrous and nonferrous alloys.
Solidus: 1435'F/780'C
Liquidus: 1465'F/795'C
Max. Recom. Brazing Temp. 'F: 1700
Nominal Composition,%: 71.5Ag 28Cu .5Ni
Joint Color as Brazed: White
Density Troy oz/cu in: 5.27
Electrical Characteristics
  • Conduct. % IACS: 78.8
  • Resistivity microhm-cm: 2.19

Filler Metal name: Braze 720; 721 (VTG)
Typical Applications: For nonferrous electronic components requiring highest electrical and thermal conductivity. The VTG grade has low volatile impurities, good for use in moderate temperature vacuum systems.
Solidus: 1435'F/780'C
Liquidus: 1435'F/780'C
Max. Recom. Brazing Temp. 'F: 1700
Nominal Composition,%: 72Ag 28Cu
Joint Color as Brazed: White
Density Troy oz/cu in: 5.25
Electrical Characteristics
  • Conduct. % IACS: 87
  • Resistivity microhm-cm: 2.0

Filler Metal name: Braze 750
Typical Applications: On silverware for step brazing or enameling; for iron or nickel base alloys.
Solidus: 1365'F/740'C
Liquidus: 1450'F/790'C
Max. Recom. Brazing Temp. 'F: 1600
Nominal Composition,%: 75Ag 22Cu 3 Zn
Joint Color as Brazed: White
Density Troy oz/cu in: 5.24
Electrical Characteristics
  • Conduct. % IACS: 53.4
  • Resistivity microhm-cm: 3.23

Filler Metal name: Braze 852
Typical Applications: Brazing stainless, Stellite, Inconel, complex carbides-for high-temperature service.
Solidus: 1760'F/960'C
Liquidus: 1780'F/970'C
Max. Recom. Brazing Temp. 'F: 2000
Nominal Composition,%: 85Ag 15Mn
Joint Color as Brazed: White
Density Troy oz/cu in: 4.98
Electrical Characteristics
  • Conduct. % IACS: 4.6
  • Resistivity microhm-cm: 37.50

Filler Metal name: Braze 999
Typical Applications: A VTG alloy for brazing ceramics to be used as semiconductors.
Solidus: 1761'F/960'C
Liquidus: 1761'F/960'C
Max. Recom. Brazing Temp. 'F: 1900
Nominal Composition,%: 99.9Ag
Joint Color as Brazed: White
Density Troy oz/cu in: 5.53
Electrical Characteristics
  • Conduct. % IACS: 105.2
  • Resistivity microhm-cm: 1.59

Filler Metal name: Lithobraze 720
Typical Applications: For ferrous and nonferrous base alloys; especially thin sections of stainless steels.
Solidus: 1400'F/760'C
Liquidus: 1400'F/760'C
Max. Recom. Brazing Temp. 'F: 1600
Nominal Composition,%: 71.7Ag 28Cu 0.3Li
Joint Color as Brazed: White
Density Troy oz/cu in: 5.09
Electrical Characteristics
  • Conduct. % IACS: 50.8
  • Resistivity microhm-cm: 3.39

Filler Metal name: Lithobraze 925
Typical Applications: To join skins to honeycomb cores, particularly precipitation-hardening stainless steels.
Solidus: 1400'F/760'C
Liquidus: 1635'F/890'C
Max. Recom. Brazing Temp. 'F: 1800
Nominal Composition,%: 92.5Ag 7.3Cu 0.2Li
Joint Color as Brazed: White
Density Troy oz/cu in: 5.33
Electrical Characteristics
  • Conduct. % IACS: 55.2
  • Resistivity microhm-cm: 3.12

Filler Metal name: Premabraze 616 (VTG)
Typical Applications: For ferrous and nonferrous alloys used in moderate temperature vacuum tubes and systems.
Solidus: 1155'F/625'C
Liquidus: 1305'F/705'C
Max. Recom. Brazing Temp. 'F: 1500
Nominal Composition,%: 61.5Ag 24Cu 14.5In
Joint Color as Brazed: White
Density Troy oz/cu in: 5.19
Electrical Characteristics
  • Conduct. % IACS: 16
  • Resistivity microhm-cm: 10.70

Filler Metal name: Premabraze 130
Typical Applications: For stainless, Inconel X, A286, Kovar, etc., for oxidation and scaling resistance up to 1500'F (815'C).
Solidus: 1742'F/950'C
Liquidus: 1742'F/950'C
Max. Recom. Brazing Temp. 'F: 1950
Nominal Composition,%: 82Au,18Ni
Joint Color as Brazed: Gray
Density Troy oz/cu in: 8.33
Electrical Characteristics
  • Conduct. % IACS: 5.85
  • Resistivity microhm-cm: 29.30