Handy & Harman 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 051
Typical Applications: Brazing nichrome resistance elements, or simultaneous brazing and heat treating of steels.
Solidus: 1545'F/840'C
Liquidus: 1615'F/880'C
Max. Recom. Brazing Temp. 'F: 1700
Nominal Composition,%: 5Ag 58Cu 16Zn 37Cd
Joint Color as Brazed: Brass Yellow
Density Troy oz/cu in: 4.47
Electrical Characteristics
  • Conduct. % IACS: 24.4
  • Resistivity microhm-cm: 7.06

Filler Metal name: Braze 071
Typical Applications: Used when heat treatment follows brazing, as a lower melting alloy than copper, or in vacuum systems.
Solidus: 1225'F/665;C
Liquidus: 1805'F/985'C
Max. Recom. Brazing Temp. 'F: 2000
Nominal Composition,%: 7Ag 85Cu 8Sn
Joint Color as Brazed: Yellow
Density Troy oz/cu in: 4.80
Electrical Characteristics
  • Conduct. % IACS: 12.8
  • Resistivity microhm-cm: 13.5

Filler Metal name: Braze 090
Typical Applications: For copper base alloys such as in band instruments; or joint brazing-cyanide case hardening of steels.
Solidus: 1410'F/765'C
Liquidus: 1565'F/850'C
Max. Recom. Brazing Temp. 'F: 1665
Nominal Composition,%: 9Ag 53Cu 38Zn 18Cd
Joint Color as Brazed: Brass Yellow
Density Troy oz/cu in: 4.49
Electrical Characteristics
  • Conduct. % IACS: 20.5
  • Resistivity microhm-cm: 8.43

Filler Metal name: Braze 202
Typical Applications: For simultaneous brazing and heat treating of steels.
Solidus: 1315'F/710'C
Liquidus: 1500'F/815'C
Max. Recom. Brazing Temp. 'F: 1650
Nominal Composition,%: 20Ag 45Cu 35Zn
Joint Color as Brazed: Brass Yellow
Density Troy oz/cu in: 4.58
Electrical Characteristics
  • Conduct. % IACS: 23.5
  • Resistivity microhm-cm: 7.36

Filler Metal name: Braze 250
Typical Applications: Low silver filler metal for joining ferrous and nonferrous alloys.
Solidus: 1250'F/675'C
Liquidus: 1575'F/8555'C
Max. Recom. Brazing Temp. 'F: 1665
Nominal Composition,%: 25Ag 52.5Cu 22.5Zn
Joint Color as Brazed: Brass Yellow
Density Troy oz/cu in: 4.71
Electrical Characteristics
  • Conduct. % IACS: 24.4
  • Resistivity microhm-cm: 7.06

Filler Metal name: Braze 252
Typical Applications: Economical filler metal for tungsten carbide, stainless steel and steel.
Solidus: 1305'F/705'C
Liquidus: 1475'F/800'C
Max. Recom. Brazing Temp. 'F: 1650
Nominal Composition,%: 25Ag 38Cu 33Zn 2Mn 2Ni
Joint Color as Brazed: Brass Yellow
Density Troy oz/cu in: 4.52
Electrical Characteristics
  • Conduct. % IACS: 10.2
  • Resistivity microhm-cm: 17.2

Filler Metal name: Braze 255
Typical Applications: Economical filler metal for ferrous and nonferrous joints not requiring high ductility or impact strength.
Solidus: 1270'F/690'C
Liquidus: 1435'F/780'C
Max. Recom. Brazing Temp. 'F: 1600
Nominal Composition,%: 25Ag 40Cu 33Zn 2Sn
Joint Color as Brazed: Light Yellow
Density Troy oz/cu in: 4.62
Electrical Characteristics
  • Conduct. % IACS: 19.4
  • Resistivity microhm-cm: 9.00

Filler Metal name: Braze 300
Typical Applications: For steel and nonferrous alloys melting above 1550'F/790'C, nickel-silver knife handles, electrical equipment.
Solidus: 1250'F/675'C
Liquidus: 1410'F/765'C
Max. Recom. Brazing Temp. 'F: 1600
Nominal Composition,%: 30Ag 38Cu 32 Zn
Joint Color as Brazed: Light Yellow
Density Troy oz/cu in: 4.66
Electrical Characteristics
  • Conduct. % IACS: 24.4
  • Resistivity microhm-cm: 6.85

Filler Metal name: Braze 351
Typical Applications: Intermediate temperature filler metal for use with ferrous and nonferrous materials.
Solidus: 1265'F/685'C
Liquidus: 1390'F/755'C
Max. Recom. Brazing Temp. 'F: 1600
Nominal Composition,%: 35Ag 32Cu 33Zn
Joint Color as Brazed: Yellow
Density Troy oz/cu in: 4.67
Electrical Characteristics
  • Conduct. % IACS: 19.8
  • Resistivity microhm-cm: 8.2

Filler Metal name: Braze 380
Typical Applications: Free flowing, cadmium-free filler metal used with ferrous and nonferrous base metals.
Solidus: 1200'F/650'C
Liquidus: 1330'F/720'C
Max. Recom. Brazing Temp. 'F: 1500
Nominal Composition,%: 38Ag 32Cu 28Zn 2Sn
Joint Color as Brazed: Pale Yellow
Density Troy oz/cu in: 4.77
Electrical Characteristics
  • Conduct. % IACS: 18
  • Resistivity microhm-cm: 9.5

Filler Metal name: Braze 401
Typical Applications: For copper base alloys, mild steel, nickel and Monel, and where a narrow melt range is desired.
Solidus: 1245'F/675'C
Liquidus: 1340'F/725'C
Max. Recom. Brazing Temp. 'F: 1550
Nominal Composition,%: 40Ag 30Cu 30Zn
Joint Color as Brazed: Yellow
Density Troy oz/cu in: 4.63
Electrical Characteristics
  • Conduct. % IACS: 20.5
  • Resistivity microhm-cm: 8.40

Filler Metal name: Braze 402
Typical Applications: A free-flowing medium temperature filler metal for ferrous and nonferrous alloys.
Solidus: 1200'F/650'C
Liquidus: 1310'F/710'C
Max. Recom. Brazing Temp. 'F: 1500
Nominal Composition,%: 40Ag 30Cu 28Zn 2Sn
Joint Color as Brazed: Pale Yellow
Density Troy oz/cu in: 4.76
Electrical Characteristics
  • Conduct. % IACS: 18
  • Resistivity microhm-cm: 9.6

Filler Metal name: Braze 403
Typical Applications: For tungsten carbides, and stainless steel food handling equipment allowing no cadmium.
Solidus: 1220'F/660'C
Liquidus: 1435'F/780'C
Max. Recom. Brazing Temp. 'F: 1600
Nominal Composition,%: 40Ag 30Cu 28Zn sNi
Joint Color as Brazed: Light Yellow
Density Troy oz/cu in: 4.76
Electrical Characteristics
  • Conduct. % IACS: 16.8
  • Resistivity microhm-cm: 10.27

Filler Metal name: Braze 404
Typical Applications: For tungsten carbides and stainless steel.
Solidus: 1220'F/660'C
Liquidus: 1580'F/860'C
Max. Recom. Brazing Temp. 'F: 1665
Nominal Composition,%: 40Ag 30Cu 25Zn 5Ni
Joint Color as Brazed: White
Density Troy oz/cu in: 4.81
Electrical Characteristics
  • Conduct. % IACS: 13.5
  • Resistivity microhm-cm: 1280

Filler Metal name: Braze 450
Typical Applications: For ships' piping, band instruments, aircraft engine oil coolers, brass lamps.
Solidus: 1225'F/665'C
Liquidus: 1370'F/745'C
Max. Recom. Brazing Temp. 'F: 1550
Nominal Composition,%: 45Ag 30Cu 25Zn
Joint Color as Brazed: Yellow White
Density Troy oz/cu in: 4.80
Electrical Characteristics
  • Conduct. % IACS: 19
  • Resistivity microhm-cm: 9.08