Heavy metal brazing fluxes


SFP 89 Paste
SFP 891 Powder
V87 Paste
Oktol 88 Paste
KMB-S62 Paste
Flux "S"
HP 64 Powder
KMB-61 Paste
Packaging units

SFP 89 Paste
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 1

EN 1045:
FH 10

520 – 780 °C Gap soldering

Flux-residue is easily water soluble and good removal from base metal is possible.

Copper

Copper alloys

Steel

Stainless steel

All silver brazing alloys

Copper-and silver-phosphorus-alloys with brazing temperature up to max. 780 °C
Oxyfuel torch brazing

Furnace brazing

Induction brazing

Laser brazing

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SFP 891 Powder
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 1

EN 1045:
FH 11

580 – 800 °C Particulary for miniature brazing

Only little flux residues, which are easy to be removed.

Hygroscopical flux powder
Copper

Copper alloys

Steel

Stainless steel

All silver brazing alloys

Copper-and silver-phosphorus-alloys with brazing temperature up to max. 800 °C
Oxyfuel torch brazing

Furnace brazing

Induction brazing

Laser brazing

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V87 Paste
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 2

EN 1045:
FH 20

740 – 950 °C Braze welding/Gap soldering

Building up by brazing

If using with FIRINIT filler metal 717/718, flux will assist in wetting in WIG and TIG process.
Steel

Zinc coated steel

Malleable iron

Nickel

Copper

718

720 / 721 / 722 A

7211

7503 V

Oxyfuel torch brazing

Furnace brazing

MIG welding

TIG welding

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Oktol 88 Paste
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 2

EN 1045:
FH 21

760 – 1000 °C
Braze welding

Building up by brazing

Harmonizing especially with FIRINIT special brass solders

Flux-residue is easily water soluble and good removal from base metal is possible

Steel

Zinc coated steel

Copper

720 / 721

722A

7503 V

Oxyfuel torch brazing
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KMB-S 62 Paste
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 2

EN 1045:
FH 21

750 – 1000 °C Gap soldering

Braze welding

Building up by brazing.multi-purpose application.

Welding flux for brass and copper alloys with melting range below 950 °C normal flux-residue
Steel

Malleable iron

Copper

Copper alloys

Copper-Nickel-alloys
720 / 721

722A

7503 V

Oxyfuel torch brazing
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Flux "S" Liquide
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 2

EN 1045:
FH 21

750 – 950 °C Braze welding

Building up by brazing

Brazing agent for producing flux in ABA-FAG-process

Steel

Copper

Copper alloys

 

718

720/721/722A/7211

7503 V

Silver brazing alloy

Copper-and silver-phosphorus-alloys

ABA-FAG process
(More informations about ABA-FAG process may be obtained in special FIRINIT pupliications.)
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HP 64 Powder
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 2

EN 1045:
FH 21

850 – 1000 °C Braze welding/Gap Soldering

Building up by brazing and welding

Brazing- and welding-flux for Copper-alloys with melting range higher than 950 °C; normal flux residues

Steel

Malleable iron

Copper

Copper alloys

Copper-Nickel-alloys

Tombak

720 / 721

722 A

7503 V

Gas fusion welding

Oxyfuel torch brazing
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KMB-61 Paste
Type of flux Brazing temperature Area of brazing
Properties
Base metal Filler metal Brazing process
DIN 8511:
F-SH 2

EN 1045:
FH 20

800 – 1100 °C Welding flux for gas fusion welding and WIG/TIG

Particulary suitable for copper and copper alloys

Normal flux residues not suitable for Al-bronze
Copper

Brass

Bronze

Copper-Nickel-alloys

711 / 715

717,6 / 718

720 / 721

7503 V

Gas fusion welding

MIG welding

TIG welding
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Packaging units:

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