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Préformes de brasage

Anneaux, et géométries diverses (segments, Forme en “U”, etc.) de brasures solides ou fourrées de décapant.

Le brasage avec un anneau ou une pièce préformée permet un contrôle précis du volume de métal d'apport et améliore le processus de brasage.

  • De nombreux fabricants de systèmes HVAC+R dans le les domaines du bâtiment public et résidentiel, ainsi que dans l’automobiles utiliseront cette technologie à l'avenir (au lieu de l’apport manuel), par exemple pour le brasage à la flame ainsi que par induction.
  • Les pièces préformées doivent couvrir une grande variété de géométries et deviennent donc plus difficiles à réaliser.

Pour répondre à cette demande, nos nouvelles machines dédiées à la fabrication des préformes nous permetent de produire une grande variété de types d'anneaux, ce qui garantit une plus grande efficacité lors du brasage et une meilleure qualité des joints brasés. En outre, elle nous permetent d'atteindre des vitesses de fabrication plus élevées et donc des délais de livraison plus courts.

Fontargen Brazing propose les forms d’alliages de brasage standard suivants :

Silver Brazing Filler Metals

Product Name Characteristics Applications DIN 8513 AWS EN 1044 ISO 17672 / DIN 1707 - 100 Working temp. (°C) Melting range (°C) Rods blank (1) Rods flux-coated (2) Foils Wires Preforms (3) F300-Series
A 311 Very good flowing characteristics, Good corrosion resistance, DVGW GW2 (suitable for the use in drinkable water), Suitable for the use in see water HVACR, Cooling devices, Plate heat exchangers, Copper pipes installations, Measuring instruments, Plumbing installations L-Ag44 - AG 203 Ag 244 730.0 675 - 735 X X X X X X
A 314 Good corrosion resistance, Very good flow charac- teristics, Low temperature melting, Suitable for the use in see water HVACR, Food industry, Electrical engineering, Measuring instruments, Plumbing installations, Medical instruments, Suitable for CrNi base materials L-Ag55Sn - AG 103 Ag 155 650.0 630 - 660 X X X X X X
A 319 Good corrosion resistance, Good flow characteris- tics, DVGW GW2 (suitable for the use in drinkable water) HVACR, White goods, Compressors, Copper pipes installations, Food industry, Plumbing installations L-Ag34Sn - AG 106 Ag 134 710.0 630 - 730 X X X X X X
A 320 Good corrosion resistance, Very good flow characteristics, DVGW GW2 (suitable for the use in drinkable water), Suitable for the use in see water HVACR, Cooling devices, Plate heat exchangers, Food industry, Electrical engineering, Measuring instruments, Plumbing installations, Suitable for CrNi base materials L-Ag45Sn BAg-36 AG 104 Ag 145 670.0 640 - 680 X X X X X X
A 330 Good corrosion resistance, Good flow characteristics, Great color matching on brass HVACR, White goods, Compressors, Plumbing engineering L-Ag30 BAg-20 AG 204 Ag 230 750.0 680 - 765 X X X X X X
A 311 Very good flowing characteristics, Good corrosion resistance, DVGW GW2 (suitable for the use in drinkable water), Suitable for the use in see water HVACR, Cooling devices, Plate heat exchangers, Copper pipes installations, Measuring instruments, Plumbing installations L-Ag44 - AG 203 Ag 244 730.0 675 - 735 X X X X X X
A 314 Good corrosion resistance, Very good flow charac- teristics, Low temperature melting, Suitable for the use in see water HVACR, Food industry, Electrical engineering, Measuring instruments, Plumbing installations, Medical instruments, Suitable for CrNi base materials L-Ag55Sn - AG 103 Ag 155 650.0 630 - 660 X X X X X X
A 319 Good corrosion resistance, Good flow characteris- tics, DVGW GW2 (suitable for the use in drinkable water) HVACR, White goods, Compressors, Copper pipes installations, Food industry, Plumbing installations L-Ag34Sn - AG 106 Ag 134 710.0 630 - 730 X X X X X X
A 320 Good corrosion resistance, Very good flow characteristics, DVGW GW2 (suitable for the use in drinkable water), Suitable for the use in see water HVACR, Cooling devices, Plate heat exchangers, Food industry, Electrical engineering, Measuring instruments, Plumbing installations, Suitable for CrNi base materials L-Ag45Sn BAg-36 AG 104 Ag 145 670.0 640 - 680 X X X X X X
A 330 Good corrosion resistance, Good flow characteristics, Great color matching on brass HVACR, White goods, Compressors, Plumbing engineering L-Ag30 BAg-20 AG 204 Ag 230 750.0 680 - 765 X X X X X X
A 340 Good corrosion resistance, Good ductility, Good flow characteristics, Suitable for the use in see water HVACR, White goods, Plate heat exchangers, Compressors, Electrical engineering, Plumbing installations L-Ag40Sn BAg-28 AG 105 Ag 140 690.0 650 - 710 X X X X X X
A 333 Good corrosion resistance, High strength, High ductility, Good flow characteristics HVACR, White goods, Compressors, Heat exchangers, Copper pipes installations, Plumbing installations Ag 230a 790.0 676 - 788 X X X X X

Copper-Phosphor-Silver Brazing Filler Metals

Product Name Characteristics Applications DIN 8513 AWS EN 1044 ISO 17672 / DIN 1707 - 100 Working temp. (°C) Melting range (°C) Rods blank (1) Rods flux-coated (2) Foils Wires Preforms (3) F300-Series
A 3002 Good flow characteristics, Very good gap filling ability, DVGW GW2 (suitable for the use in drinkable water), Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, White goods, Tubular joints, Heat exchangers (U-bogen), Heat pumps, Copper pipes installations L-Ag2P BCuP-6 CP 105 CuP 279 740.0 645 - 825 X X X X
A 3005 Good electrical conductivity, Good ductility, Good flow characteristics, Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, White goods, Electrical engineering, Plumbing installations (Gas water heaters), Heat pumps, Compressors L-Ag5P BCuP-3 CP 104 CuP 281a 710.0 645 - 815 X X X X X
A 3015 Very good electrical conductivity, Good ductility a. strength, Good gap filling ability, Medium flow characteristics, Medium gap HVACR, Electric motors (Renewable energies), Electric supplies, Components with medium gaps L-Ag15P BCuP-5 CP 102 CuP 284 700.0 645 - 800 X X X X X X
A 3018 Very good electrical conductivity, High ductility, High strength, Very fluid, Narrow gaps (0,03 - 0,1mm), Gap length (> 1 cm) HVACR, Hot water treatment, Water heaters, Suitable for components that are subject to vibrations and thermal fluctuations L-Ag18P BCuP-8 CuP 285 670.0 645 - 666 X X X X
A 3002 Good flow characteristics, Very good gap filling ability, DVGW GW2 (suitable for the use in drinkable water), Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, White goods, Tubular joints, Heat exchangers (U-bogen), Heat pumps, Copper pipes installations L-Ag2P BCuP-6 CP 105 CuP 279 740.0 645 - 825 X X X X
A 3005 Good electrical conductivity, Good ductility, Good flow characteristics, Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, White goods, Electrical engineering, Plumbing installations (Gas water heaters), Heat pumps, Compressors L-Ag5P BCuP-3 CP 104 CuP 281a 710.0 645 - 815 X X X X X
A 3015 Very good electrical conductivity, Good ductility a. strength, Good gap filling ability, Medium flow characteristics, Medium gap HVACR, Electric motors (Renewable energies), Electric supplies, Components with medium gaps L-Ag15P BCuP-5 CP 102 CuP 284 700.0 645 - 800 X X X X X X
A 3018 Very good electrical conductivity, High ductility, High strength, Very fluid, Narrow gaps (0,03 - 0,1mm), Gap length (> 1 cm) HVACR, Hot water treatment, Water heaters, Suitable for components that are subject to vibrations and thermal fluctuations L-Ag18P BCuP-8 CuP 285 670.0 645 - 666 X X X X

Copper-Phosphor-Brazing Filler Metals

Product Name Characteristics Applications DIN 8513 AWS EN 1044 ISO 17672 / DIN 1707 - 100 Working temp. (°C) Melting range (°C) Rods blank (1) Rods flux-coated (2) Foils Wires Preforms (3) F300-Series
A 2003 Very good flow characteristics, Medium/high fluidity, Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, Copper pipes installations, Standard assemblies (Sleeves/Tubes/Flanges) with important gaps, Universal alloy for plumbing L-CuP7 BCuP-2 CP 202 CuP 180 730.0 710 - 820 X X X X
A 2004 Very good flow characteristics, controlled fluidity, DVGW GW2 (suitable for the use in drinkable water), Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, Copper pipes installations, Standard assemblies (Sleeves/Tubes/Flanges) with important gaps, Universal alloy for plumbing L-CuP6 CP 203 CuP 179 760.0 710 - 890 X X X X
A 2005 Good flow characteristics, Good gap-bridging ability, Very good wetting ability, electroplating of brazing joint possible, Narrow gap (0,03 - 0,1mm), Gap length (> 1 cm) HVACR, Step brazing, Heat exchangers, Copper pipes installations L-CuSnP7 CP 302 CuP 386 700.0 650 - 700 X X X X X
A 204 Excellent flow characteristics, High fluidity, Low temperature melting, Low ductility, Narrow gap (0,03 - 0,1mm), Gap length (> 1 cm) HVACR, Vibration free components, Especially used for wetting of large surfaces with narrow gaps L-CuP8 CP 201 CuP 182 720.0 710 - 770 X X X
A 2003 Very good flow characteristics, Medium/high fluidity, Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, Copper pipes installations, Standard assemblies (Sleeves/Tubes/Flanges) with important gaps, Universal alloy for plumbing L-CuP7 BCuP-2 CP 202 CuP 180 730.0 710 - 820 X X X X
A 2004 Very good flow characteristics, controlled fluidity, DVGW GW2 (suitable for the use in drinkable water), Large gap (> 0,1mm), Gap length (< 1 cm) HVACR, Copper pipes installations, Standard assemblies (Sleeves/Tubes/Flanges) with important gaps, Universal alloy for plumbing L-CuP6 CP 203 CuP 179 760.0 710 - 890 X X X X
A 2005 Good flow characteristics, Good gap-bridging ability, Very good wetting ability, electroplating of brazing joint possible, Narrow gap (0,03 - 0,1mm), Gap length (> 1 cm) HVACR, Step brazing, Heat exchangers, Copper pipes installations L-CuSnP7 CP 302 CuP 386 700.0 650 - 700 X X X X X
A 204 Excellent flow characteristics, High fluidity, Low temperature melting, Low ductility, Narrow gap (0,03 - 0,1mm), Gap length (> 1 cm) HVACR, Vibration free components, Especially used for wetting of large surfaces with narrow gaps L-CuP8 CP 201 CuP 182 720.0 710 - 770 X X X

Alu Filler Metals

Product Name Characteristics Applications DIN 8513 AWS EN 1044 ISO 17672 / DIN 1707 - 100 Working temp. (°C) Melting range (°C) Rods blank (1) Rods flux-coated (2) Foils Wires Preforms (3) F300-Series
A 407L (4) Capillary active, Color matching with aluminum HVAC vehicle, Heat exchangers Al/CrNi steel assemblies, For Aluminum base materials with Mg content < 3% and Solidus temperature > 630°C L-AlSi12 BAISi-4 AL 104 Al 112 590.0 575 - 585 X X X
A 631 (5) Low temperature aluminum solder, brazing of aluminum since the temperature delta between base and filler metals is wider. HVACR, Heat exchangers, Tube connections, Al/Al, Al/Cu und Al/CrNi assemblies S-Zn98Al2 430 - 440 X
A 407L (4) Capillary active, Color matching with aluminum HVAC vehicle, Heat exchangers Al/CrNi steel assemblies, For Aluminum base materials with Mg content < 3% and Solidus temperature > 630°C L-AlSi12 BAISi-4 AL 104 Al 112 590.0 575 - 585 X X X
A 631 (5) Low temperature aluminum solder, brazing of aluminum since the temperature delta between base and filler metals is wider. HVACR, Heat exchangers, Tube connections, Al/Al, Al/Cu und Al/CrNi assemblies S-Zn98Al2 430 - 440 X

(1) Baguettes nues de sections rondes, carrées ou plates sur demande 

(2) Baguettes flexibles et enrobées de décapant avec différents facteurs d’enrobages (mince, extra mince etc.)

(3) Anneaux de brasage standards. Géométries hors standard possible sur demande.

(4) Flux décapants corrosifs et non corrosifs selon l’application.