Braze Alloys

Precious Brazing Filler Metals

Our extensive range of high purity, low vapor pressure precious brazing filler metals is derived from silver, platinum and palladium based materials, and exceeds the most stringent requirements imposed by the Power Tube, Aerospace, Semiconductor, Medical, Electronic and Vacuum Industries in which they serve.

Precious Brazing Filler Metals Properties

The table below lists the major alloys available, and the forms produced include sheet, wire, paste, powder and preforms.

Name

Nominal Composition Percent

Liquidus

Solidus

Form Availability

°C

°F

°C

°F

Platinum

Pt – 99.995

1769

3216

1769

3216

Foil, Paste, Powder, Sheet Preforms, Wire

Palladium

Pd – 99.99

1555

2831

1555

2831

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Paloro® (BAu-8)

Au – 92
Pd – 8

1270

2318

1200

2192

Rings, Sheet Preforms, Wire

Palni®

Pd – 60
Ni – 40

1238

2260

1238

2260

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palco® (BPd-1)

Pd – 65
Co – 35

1219

2226

1219

2226

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palniro®-4 (AMS-4785)

Au – 30
Pd – 34
Ni – 36

1169

2136

1135

2075

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palniro®-1 (AMS-4784)

Au – 50
Pd – 25
Ni – 25

1121

2050

1102

2016

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palmansil™ 5

Au – 75
Pd – 20
Mn – 5

1072

1962

1008

1846

Foil, Paste, Powder, Sheet Preforms, Wire

Palsil®-10

Ag – 90
Pd – 10

1070

1958

1025

1877

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Gold

Au - 99.99

1064

1947

1064

1947

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palnicrom™ 25

Au – 25
Ni – 18
Pd – 15
Mn – 11
Cu – 31

1052

1926

1017

1863

Foil, Paste, Powder, Sheet Preforms, Wire

70% Gold 30% Nickel

Au - 70
Ni - 30

1050

1925

960

1760

Paste, Powder, Rings, Sheet Preforms, Wire

Palniro®-7 (AMS-4786)

Au – 70
Pd – 8
Ni – 22

1037

1899

1005

1841

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Nicoro® (BAu-3)

Au – 35
Cu – 62
Ni – 3

1030

1886

1000

1832

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Incuro™-20

Au – 20
Cu – 78
In – 2

1025

1877

975

1787

Paste, Powder, Rings, Sheet Preforms, Wire

Palnicrom™-10

Au – 25
Pd – 15
Ni – 10
Mn – 13
Cu – 37

1013

1855

970

1778

Foil, Paste, Powder, Sheet Preforms, Wire

Nioro® - Ni

Au - 73.8
Ni - 26.2

1010

1850

980

1796

Foil, Paste, Powder, Sheet Preforms, Wire

Palnicusil®

Pd – 22.5
Ni – 10
Cu – 19
Ag – 48.5

1010

1850

900

1650

Foil, Paste, Powder, Sheet Preforms, Wire

35% Gold 65% Copper

Au – 35
Cu – 65

1010

1850

990

1814

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Nioroni™

Au – 73.8
Ni – 26.2

1010

1850

980

1796

37.5% Gold 62.5% Copper

Au – 37.5
Cu – 62.5

1005

1841

985

1805

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

RI-46

Au – 35
Ni – 14
Pd – 10
Mn – 9.5
Cu – 35.5

1004

1840

971

1780

Powder, Rings, Sheet Preforms, Wire

40% Gold 60% Copper

Au – 40
Cu – 60

1000

1832

980

1796

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Croniro®

Au – 72
Ni – 22
Cr – 6

1000

1832

975

1787

Foil, Paste, Powder, Sheet Preforms, Wire

50% Gold 50% Copper

Au – 50
Cu – 50

970

1778

955

1751

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Silver (BAg-0)

Ag – 99.99

960

1760

960

1760

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palnicro®-36-M

Pd – 36
Cr – 10.5
B – 3
Si – 0.5
Ni – Bal

960

1760

820

1508

Foil, Paste, Powder, Sheet Preforms

Nioro® (AMS-4787; BAu-4)

Au – 82
Ni – 18

955

1751

955

1751

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palcusil®-25 (BAg-32)

Ag – 54
Cu – 21
Pd – 25

950

1742

900

1652

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

RI-49

Au – 31
Ni – 9.75
Pd – 9.75
Mn – 16
Cu – 33.5

949

1740

927

1700

Powder, Rings, Sheet Preforms, Wire

Nicoro®-80

Au – 81.5
Cu – 16.5
Ni – 2

925

1697

910

1670

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

80% Gold 20% Copper

Au – 80
Cu – 20

910

1670

908

1666

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palcusil®-15

Ag – 65
Cu – 20
Pd – 15

900

1652

850

1562

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Incuro™ 60

Au – 60
Cu – 37
In – 3

900

1652

860

1580

Paste, Powder, Rings, Sheet Preforms, Wire

Silcoro®-75

Au – 75
Cu – 20
Ag – 5

895

1643

885

1652

Foil, Paste, Powder, Sheet Preforms, Wire

Nicusil®-8 (AMS-4765)

Ag – 56
Cu – 42
Ni – 2

893

1639

771

1420

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Gapasil®-9

Ag – 82
Pd – 9
Ga – 9

880

1616

845

1553

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palcusil® 10 (AWS BVAg- 31)

Ag – 58
Cu – 32
Pd – 10

852

1566

824

1515

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Silcoro®-60

Au – 60
Cu – 20
Ag – 20

845

1553

835

1535

Foil, Paste, Powder, Sheet Preforms, Wire

95% Silver 5% Aluminium

Ag – 95
Al – 5

830

1526

780

1436

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Palcusil®-5

Ag – 68
Cu – 27
Pd – 5

814

1490

807

1485

Foil, Paste, Powder, Sheet Preforms, Wire

Nicusiltin™ 6 (AMS-4774A)

Ag – 63
Cu – 28.5
Ni – 2.5
Sn – 6

802

1476

691

1275

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Nicusil®-3

Ag – 71.15
Cu – 28.1
Ni – 0.75

795

1463

780

1436

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

90% Silver 10% Germanium

Ag – 90
Ge – 10

790

1454

651

1204

Cusil® (BAg-8)

Ag – 72
Cu - 28

780

1436

780

1436

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Cusiltin™-5

Ag – 68
Cu – 27
Sn – 5

760

1400

743

1370

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Incusil®-10

Ag – 63
Cu – 27
In – 10

730

1346

685

1265

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Incusil®-15 (BAg-29)

Ag – 61.5
Cu – 23.5
In – 15

725

1335

605

1120

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Cusiltin™-10 (AMS-4773)

Ag – 60
Cu – 30
Sn – 10

718

1325

602

1116

Foil, Paste, Powder, Rings, Sheet Preforms, Wire

Georo™

Au – 88
Ge – 12

356

673

356

673

Foil, Powder

Orotin™

Au – 80
Sn – 20

280

536

280

536

Powder

Special Alloys: we will be pleased to quote your special requests.

Zn – Less than .001%
Cd– Less than .001%
Pb – Less than .002%
P - Less than .002%
C - Less than .005%

Impurity limits – All other metallic impurities having a vapor pressure higher than 10-7 mm Hg at 500°C are limited to .002% each. Impurities having a vapor pressure lower than 10-7 mm Hg at 500°C are limited to a total of .050%. (Applicable to all forms except powder and extrudable paste).