Base Metal Brazing Alloys

Meta-Braze™ Nickel Based Brazing Alloys

Nickel brazing products used today in the aerospace, automotive and nuclear industries. In these applications they would typically be used to join stainless steel and high temperature superalloys.

Standard Forms

  • Powder
  • Brazing Paste
  • Tapes
  • Foil
  • Prefroms

Special Forms

  • Coated Rods
  • Rings
Key Products Trade Name Ni Cr Fe B Si P C W Melting Range ℃ AMS AWS A5.8 ISO 17672: 2016
Meta-Braze™ 4778 Nicrobraz 130 Bal - 0.5 3.1 4.5 - - - 980-1040 4778 BNi-3 Ni 630
Meta-Braze™ 4779 Nicrobraz 135 Bal - 1.5 1.8 3.5 - - - 980-1070 4779 BNi-4 Ni 631
Meta-Braze™ 4782 Nicrobraz 30 Bal 19 - - 10.1 - - - 1080-1135 4782 BNi-5 Ni 650
Meta-Braze™ 4310 Nicrobraz 10 Bal - - - - 11 - - 875 - BNi-6 Ni 700
Meta-Braze™ 4770 Nicrobraz 50 Bal 14 - - - 10.1 - - 890 - BNi-7 Ni 710
Meta-Braze™ 4720 Nicrobraz 170 Bal 11.5 3.5 2.5 3.5 0.01 0.48 16 970-1105 - BNi-10 Ni 670
Meta-Braze™ 4775 Nicrobaz 125 Bal 14 4.5 3.1 4.5 - 0.7 - 980-1060 4775 BNi-1 Ni 600
Meta-Braze™ 4776 Amdry 915 Bal 14 4.5 3.1 4.5 - - - 980-1070 4776 BNi-1a Ni 610
Meta-Braze™ 4777 Nicrobaz LM Bal 7 3.0 3.1 4.5 - - - 970-1000 4777 BNi-2 Ni 620

Meta-Braze™ Copper Based Brazing Alloys

These copper based filler metals are a range of special products designed for high temperature brazing of steel and carbide components. The Meta-Braze™ Cu products which contain nickel and or manganese can show improved wetting on tungsten carbide. Copper can be used as a filler metal in its own right. It can be supplied in a variety of forms and is used for aerospace, automotive and electronic applications.

Standard Forms

  • Rods
  • Strips
  • Coated Rods
  • Rings
  • Powder
  • Brazing Paste
  • Foil
  • Preforms
Key Products Cu Ni Mn Sn Other Melting Range ℃ AWS A5.8 EN1044: 1999 ISO 17672: 2016
Meta-Braze™ Cu 186 97 3 - - - 1085-1100 - CU105 Cu 186
Meta-Braze™ Cu 595 84.25 3.25 12.5 - - 965-995 - - -
Meta-Braze™ Cu 058 58 - 2 - - 890-930 - - -
Meta-Braze™ Cu 470a 60 - - - - 875-895 - CU301 Cu 470a
Meta-Braze™ Cu 670 60 - 0.15 0.2 - 870-900 - CU303 Cu 670
Meta-Braze™ Cu 110 99.9 - - - - 1083 - CU101 Cu 110

Meta-Braze™ Aluminium Brazing Alloys

Meta-Braze™ Al filler metals are intended for joining aluminium alloys – the 1000 series (e.g. 1100), 3000 series (e.g. 3003, 3004), 5000 series and some 6000 series alloys (eg.6061, 6031, 6951). They are used in the manufacture of automotive components and aluminium heat exchangers.

Standard Forms

  • Foil
  • Brazing Paste
  • Wire
  • Rings
Key Products Al Si Cu Zn Melting Range ℃ AWS A5.8 EN1044: 1999 ISO 17672: 2016
Meta-Braze™ Al 112 88 12 - - 575-585 BAlSi-4 AL104 Al 112
Meta-Braze™ Al 013 22 - - 78 441-471 - - -
Meta-Braze™ Al 002 2 - - 98 377-385 - - -

Meta-Braze™ Titanium Brazing Alloys

Meta-Braze™ titanium brazing alloys are designed for titanium alloys and superalloys. Typical applications include space and aerospace components where the properties of titanium alloys are necessary.

Standard Forms

  • Foil
  • Brazing Paste
Key Products Trade Name Ti Ni Cu Other AWS A5.8 Melting Range ℃
Meta-Braze™ BTi-3 - 37.5 10 15 37.5 Zr - 835-850
Meta-Braze™ BTi-1 Ticuni 70 15 15 0.3% max - 902-950
Meta-Braze™ BTi-2 - 60 25 15 - 890-940