Silver Brazing Alloys

Meta-Braze™ Silver Brazing Alloys

These products can be used to join most of the common metals used in industry such as copper, copper alloys (brass, bronze, nickel silver etc.), nickel alloys, carbon steel, stainless steel and tungsten carbide. Meta-Braze™ 155 is the most widely used brazing alloy combining low brazing temperatures with a short melting range making it free flowing and easy to use. Meta-Braze™ 140 is a popular general-purpose product with medium melt and flow characteristics.

Product Forms

  • Rods
  • Coated Rods
  • Strips
  • Wire
  • Rings
  • Powder
  • Brazing Paste
  • Foil
  • Preforms
Key Products Ag Cu Zn Sn Si Melting Range ℃ AWS A5.8 EN1044: 1999 ISO 17672: 2016
Meta-Braze™ 145 Si 45 27 25.3 2.5 0.2 640-680 - - -
Meta-Braze™ 045 Si 45 25 26.8 3 0.2 640-680 - - Ag 145 Si
Meta-Braze™ 140 40 30 28 2 - 650-710 - AG105 Ag 140
Meta-Braze™ 140 Si 40 30 27.8 - 0.2 650-710 - - Ag 140 Si
Meta-Braze™ 138 38 32 28 2 - 650-720 - - Ag 138
Meta-Braze™ 130 30 36 32 2 - 665-755 - AG107 Ag 130
Meta-Braze™ 125 25 40 33 2 - 680-760 - AG1080 Ag 125
Meta-Braze™ 024 24 43 33 - - 740-780 - - -
Meta-Braze™ 155 55 21 22 2 - 630-660 - AG103 Ag 155
Meta-Braze™ 156 56 22 17 5 - 620-655 - AG102 Ag 156
Meta-Braze™ 145 45 27 25.5 2.5 - 640-680 - AG104 Ag 145

Meta-Braze™ Silver Brazing Alloys for Tungsten Carbide and PCD Segments

These silver brazing alloys are used for brazing cemented tungsten carbide and tungsten carbide faced PCD tips. The manganese and/or nickel in them improves wetting of the filler metal. Meta-Braze™ 449 and Meta-Braze™ 450 are widely used for small/medium carbides whilst Meta-Braze™ 450 Trifoil and Meta-Braze™ 049 Trifoil are special laminate products used for larger carbide segments protecting against cracking.

Product Forms

  • Rods
  • Strips
  • Wire
  • Rings
  • Powder
  • Brazing Paste
  • Foil
  • Preforms
Key Products Ag Cu Zn Ni Mn In Melting Range ℃ AMS AWS A5.8 EN1044: 1999 ISO 17672: 2016
Meta-Braze™ 450 50 20 28 2 - - 660-705 4788 BAg-24 - Ag 450
Meta-Braze™ 450 Trifoil 50 20 28 2 - - 660-705 - - - -
Meta-Braze™ 449 49 16 23 4.5 7.5 - 680-705 - BAg-22 AG502 Ag 449
Meta-Braze™ 449 Trifoil 49 27.5 20.5 0.5 2.5 - 670-710 - - - -
Meta-Braze™ 440 40 30 28 2 - - 670-780 - BAg-4 - Ag 440
Meta-Braze™ 064 64 26 - 2 2 6 730-780 - - - -

Meta-Braze™ Silver Brazing Alloys for Special Applications

Meta-Braze™ 463 and Meta-Braze™ 456a are designed to prevent interfacial (crevice) corrosion in stainless steel silver-brazed joints that are exposed to water in damp or wet service environments. Meta-Braze™ 160 has been used for the same applications.

Product Forms

  • Rods
  • Strips
  • Wire
  • Rings
  • Powder
  • Brazing Paste
  • Foil
  • Preforms
Key Products Ag Cu Ni Sn Other Melting Range ℃ AMS AWS A5.8 EN1044: 1999 ISO 17672: 2016
Meta-Braze™ 463 63 28.5 2.5 6 - 690-800 4774 BAg-21 - Ag 463
Meta-Braze™ 160 60 30 - 10 - 600-730 4773 BAg-18 AG402 Ag 160
Meta-Braze™ 456a 56 27.25 2.25 - - 600-710 - - AG403 Ag 456a
Meta-Braze™ 456 56 42 2 - - 770-895 4765 BAg-13a - Ag 456
Meta-Braze™ 454 54 40 1 - - 720-855 4772 BAg-13a - Ag 454
Meta-Braze™ 025 25 52.5 - - - 675-855 - - - -