HEAT EXCHANGERS, INDUSTRIAL AND HOME REFRIGERATORS
Brazing alloys for manufacturing of:
heat-exchangers, engine radiators, domestic refrigerators, commercial refrigerators, industrial refrigerators, air conditioners, wall boilers, gas boilers, electric home appliances, coils, condensers, evaporators, compressors for cooling, refrigerated cabinets, etc.
NEW PRODUCTS: ask for the newly introduced PLUS version of Copper-Phosphorus alloys for copper brazing!
Copper-Phosphorus (Silver) Alloys
| Code | Composition % | Melting Range SOL-LIQ | Flow point | Density | Tensile strength | Standard | |||||
| Ag | Cu | P | Sn | °C | °C | g/cm3 | kg/mm2 | ISO 17672 | EN 1044 | AWS A5.8 | |
Alloys |
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| CuP6 | – | Bal. | 6,3 | – | 710-890 | 760 | 8,1 | 56 | CuP 179 | CP 203 | — |
| CuP7 | – | Bal. | 7,3 | – | 710-820 | 730 | 8,1 | 58 | CuP 180 | CP 202 | BCuP-2 |
| CuP8 | – | Bal. | 7,8 | – | 710-770 | 720 | 8 | 60 | CuP 182 | CP 201 | — |
| CuP7Sn | – | Bal. | 7 | 7 | 650-700 | 700 | 8 | 60 | CuP 386 | CP 302 | ~ BCuP-9 |
| Ag2CuP | 2 | Bal. | 6,5 | – | 645-825 | 740 | 8,1 | 55 | CuP 279 | CP 105 | — |
| Ag5CuP | 5 | Bal. | 6 | – | 645-815 | 710 | 8,2 | 55 | CuP 281 | CP 104 | BCuP-3 |
| Ag15CuP | 15 | Bal. | 5 | – | 645-800 | 700 | 8,4 | 54 | CuP 284 | CP 102 | BCuP-5 |
| Notes | RoHS Compliant alloys. For copper-copper and copper-brass joints. For joining copper to copper no flux is necessary. These alloys are not suitable for joining ferrous materials, steels and nickel alloys. They are also not suitable to be used in sulfur containing atmospheres. Particularly good and clean joints can be obtained by using these alloys along with liquid flux (LI1/LI2) spread through the torch flame by vaporizer systems. Alloys with Silver are recommended for joints subject to vibrations. These alloys are available as rods, flux-coated rods, wires and rings. | ||||||||||
Fluxes |
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| FLUX AG4 | General purpose – Very wide range of temperatures | ||||||||||
| FLUX LI1 | For brazing with Vaporizer system, Medium Concentration | ||||||||||
| FLUX LI2 | For brazing with Vaporizer system, Medium-High Concentration | ||||||||||
Silver Based Alloys
| Code | Composition % | Melting Range SOL-LIQ | Density | Tensile strength | Standard | |||||||||
| Ag | Cu | Zn | Sn | Ni | Si | Mn | In | °C | g/cm3 | kg/mm2 | ISO 17672 | EN 1044 | AWS A5.8 | |
Alloys |
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| Ag12 | 12 | 48 | 40 | – | 0,15 | 800-830 | 8,4 | 48 | Ag 212 | AG 207 | — | |||
| Ag20 | 20 | 44 | 36 | – | 0,15 | 690-810 | 8,7 | 43 | — | AG 206 | — | |||
| Ag30Sn | 30 | 36 | 32 | 2 | – | 665-755 | 8,8 | 48 | Ag 130 | AG 107 | — | |||
| Ag34Sn | 34 | 36 | 27,5 | 2,5 | – | 630-730 | 9 | 48 | Ag 134 | AG 106 | — | |||
| Ag35 | 35 | 32 | 33 | – | – | 685-755 | 9 | 48 | Ag 235 | — | BAg-35 | |||
| Ag40Sn | 40 | 30 | 28 | 2 | – | 650-710 | 9,1 | 44 | Ag 140 | AG 105 | BAg-28 | |||
| Ag45Sn | 45 | 27 | 25,5 | 2,5 | – | 640-680 | 9,2 | 43 | Ag 145 | AG 104 | BAg-36 | |||
| Ag55Sn | 55 | 21 | 22 | 2 | – | 630-660 | 9,4 | 44 | Ag 155 | AG 103 | — | |||
| Ag56Sn | 56 | 22 | 17 | 5 | – | 620-655 | 9,4 | 48 | Ag 156 | AG 102 | BAg-7 | |||
| Notes | All the alloys in this table are cadmium-free and RoHS Compliant. They are suitable to join a wide range of ferrous and non ferrous metals (copper, brass, bronze, steel, stainless steel, nickel alloys, etc.), with the exception of aluminium and magnesium. Available as rods, flux coated rods, wires and rings (dimensions according to customer’s need). | |||||||||||||
| Ag60Sn/1 | 60 | 30 | – | 10 | – | 600-730 | 9,8 | – | Ag 160 | AG 402 | BAg-18 | |||
| Notes | Suitable for stainless steel in wet conditions/moisture rich environments. | |||||||||||||
| Ag72Zn | 72 | – | 28 | – | – | – | – | 710-730 | 8,4 | 44 | — | — | — | |
| Ag85Mn | 85 | – | – | – | – | 15 | – | 960-970 | 10 | – | Ag 485 | AG 501 | BAg-23 | |
| Notes | Alloys without copper, ammonia resistant. Ag85Mn is also suitable for stainless steel in wet conditions / moisture rich environments. |
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Fluxes |
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| FLUX AG1 | General purpose | |||||||||||||
| FLUX AG4 | General purpose – Very wide range of temperatures | |||||||||||||
| FLUX AG7 | General purpose. Also for Stainless Steel | |||||||||||||
Brass alloys
| Code | Composition % | Melting Range SOL-LIQ | Density | Tensile strength | Standard | |||||||||||
| Cu | Zn | Ag | Ni | Mn | Sn | Si | B | Co | P | °C | g/cm3 | kg/mm2 | ISO 17672 | EN 1044 | AWS A5.8 | |
Alloys |
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| Cu60Zn | 60 | Bal | – | – | – | – | 0,3 | – | – | – | 875-895 | 8,4 | 40 | Cu 470a | CU 301 | — |
| Cu59ZnSn | 59 | Bal | – | – | – | 0,4 | 0,3 | – | – | – | 875-895 | 8,4 | 45 | Cu 470 | CU 302 | RBCuZn-A |
| Cu59ZnAg | 59 | Bal | 1 | – | 0,1 | 0,1 | 0,1 | – | – | – | 860-890 | 8,4 | 45 | — | — | — |
| Cu48ZnNi10 | 48 | Bal | – | 10 | – | – | 0,3 | – | – | – | 890-920 | 8,7 | 54 | Cu 773 | CU 305 | RBCuZn-D |
| Notes | Brasses for high temperature brazing. RoHS Compliant alloys. Available as rods, flux-coated rods, wires and rings. Cu59ZnAg is suitable for galvanized steel. |
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Fluxes |
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| FLUX BR1 | Brazing with Brass | |||||||||||||||
| FLUX LI2 | For brazing with Vaporizer system, Medium-High Concentration | |||||||||||||||
| FLUX LI3 | For brazing with Vaporizer system, High Concentration | |||||||||||||||
Aluminum and Zinc-Aluminum Alloys
| Code | Composition % | Melting Range SOL-LIQ | Standard | ||||||||
| Al | Si | Mg | Mn | Zn | °C | DIN 1732 | ISO 17672 | AWS A5.10 | EN 1044 | AWS A5.8 | |
Alloys |
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| AlSi12 | Bal | 12 | SG-AlSi12 | 4047 | |||||||
| Notes | Brazing of Aluminium. | ||||||||||
| AlZn78 | 22 | – | – | – | 78 | 441-471 | — | — | — | ||
| AlZn98 | 2 | – | – | – | 98 | 380-405 | — | — | — | ||
| Notes | For copper-aluminium and brass-aluminium joints. Also available as flux-cored rods and wires (non-corrosive flux). | ||||||||||
Fluxes |
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| FLUX AL1/d | Corrosive flux for flame brazing | ||||||||||
| FLUX AL6 | Non-Corrosive flux for brazing with Zinc-Aluminium alloys | ||||||||||