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  • Castolin Eutectic

    Brazing Technology

    OEM Catalogue

    Stronger, with Castolin Eutectic

    Joining Solutions

  • Stronger, with Castolin Eutectic

    www.castolin.com www.eutectic.com

    2

    WelcomeContents

    Our Brazing Tradition

    Over 100 years ago in 1906, Mr. Wasserman started his business with the development, production and sales of brazing fluxes. In the following years, Castolin was formed and began to develop new low temperature and eutectic brazing alloys. Castolin was not only revolutionary in terms of its developments, in patents and in manufacturing processes, but also in training salesmen and customers on the brazing and soldering methods. Castolin Eutectic has always been years ahead of the competition. For example, Castolin developed the first non-corrosive aluminium fluxes in the 60s, the first

    Above : some of the first documented flux

    packages from Castolin Eutectic

    aluminium pastes in the 70s and the first nickel pastes in the late 70s. These products were 15 to 20 years before their time.

    Castolin Eutectic has patented over 200 products in its history and is still developing and improving products and processes for its customers today.

    Castolin Eutectic, with its 100 years tradition of developing and innovating soldering and brazing solutions, is the right partner for you.

    Solutions for OEM

    Wide Selection of Coatings .................................................................................................................................................................................................. p.3

    CadFree Silver Alloys ............................................................................................................................................................................................................... p.4

    Silver Cadmium Alloys .............................................................................................................................................................................................................. p.5

    Copper Phosphor Alloys ........................................................................................................................................................................................................... p.6

    Brass Alloys ............................................................................................................................................................................................ p.7

    Aluminium Alloys .............................................................................................................................................................................. p.8

    Foils ............................................................................................................................................................................................................................................................... p.8

    Selection Chart .................................................................................................................................................................................... p.9

    Brazing Pastes

    SolarCast ................................................................................................................................................................................................................................................. p.10

    Silver Pastes .......................................................................................................................................................................................................................................... p.10

    Aluminium / Light Metal Pastes ..................................................................................................................................................................................... p.10

    Nickel Pastes .......................................................................................................................................................................................... p.10

    Solder Pastes ......................................................................................................................................................................................... p.10

    HIstory ..................................................................................................................................................................................................... p.11

    Addresses of Castolin Eutectic Companies in Europe .................................................................................................... p.11

  • Stronger, with Castolin Eutectic 3

    www.castolin.com www.eutectic.com

    At Castolin Eutectic, we understand that each application has individual and specific requirements. Therefore we have designed and manufactured several types of coated rods to meet the demands of our customers.

    Unlike most competitors, Castolin Eutectic does not use a universal flux for all rods, each rod contains the type of flux required by the alloy being coated.

    The Coating Names

    Each alloy has a name, like for example 1020. Behind the name of the alloy, there are letters which specify the type of flux coating: 1020 F is a 1020 alloy with an F coating. The product name and coating type along with the batch number is printed on each rod. Additionally, each alloy has a specific flux coating colour which helps operators to know which

    Solutions for OEMWide Selection of Coatingsalloy/colour to use. This colour coating prevents users from mixing the alloys in their processes and it is easy to train users by colour.

    F

    NON-FlExiBlE, ClEaN MElTiNg Flux COaTiNgF12 - Rod with 12% Flux F20 - Rod with 20% Flux F25 - Rod with 25% Flux F30 - Rod with 30% Flux

    xFC

    FlExiBlE, ClEaN MElTiNg Flux COaTiNg, uSEd whEN aPPliCaTiON REquiRES BENT ROdSx12 - Rod with 12% Flux x20 - Rod with 20% Flux x25 - Rod with 25% Flux x30 - Rod with 30% Flux

    B BaRE ROd

    T CONTiNuOuS BaRE wiRE

    MF MiNi-Flux COaTiNg wiTh aPPROxiMaTEly 3 % OF Flux

    NF NF COaTiNg aRE vERy ThiN Flux COaTiNgS ThaT aRE NOT FlEx-iBlE

    ZF ZF aRE ThE ThiNNEST availaBlE Flux COaTiNg FOR ag allOyS, ulTRa-ThiN NON-FlExiBlE COaTiNg

  • Stronger, with Castolin Eutectic

    www.castolin.com www.eutectic.com

    4

    Typical applications includePiping, air-conditioning, food industry, automotive, medical instuments, cutting tools, refrigeration, spectacles, etc.

    Solutions for OEMCadFree Silver Alloys

    ProductComposition % Melting

    Range C

    Operating

    Temp. C

    density g/cm3

    Tensil Streng. N/mm2

    international Standards Corespondences

    ag Cu Zn Sn OthersawS a58

    EN 1044diN

    8513NFa

    81-362BS 1845

    38212 12 48 40 - 0,2% Si 800-830 830 8.5 410 - Ag 207 L-Ag 12 - -

    38216 16 50 34 - - 790-830 820 8.6 505 - - - - -

    38225 25 41 34 - - 700-800 780 8.8 420 - Ag 205 L-Ag 25 25 A1 -

    38230 30 38 32 - - 650-750 740 8.8 505 B Ag 20 Ag 204 L-Ag 30 - -

    38230 Sn 30 36 32 2 - 680-765 750 8.9 460 - Ag 107L-Ag 30Sn

    - AG21

    38233 33 34 33 - - 700-740 730 8.9 535 - - - - -

    38235 35 32 33 - - 680-750 740 9 430 B Ag 35 - - - -

    38238 Sn 38 31 29 2 - 650-720 710 8.8 430 B Ag 34 - - - -

    38240 Ni 40 30 28 - Ni 2 670-780 780 8.9 350 B Ag 4 - - - -

    38243 43 37 20 - - 690-770 760 9.1 400 - - - - AG5

    38244 44 30 26 - 0,2% Si 675-735 730 9.1 545 - Ag 203 L-Ag 44 44 A1 -

    38250Ni 50 20 28 - Ni 2 660-750 740 9 450 B Ag 24 - - - -

    38260 60 30 10 - 600-720 710 420 B Ag 18 - - 60 A1 -

    38260 Sn 60 23 14 3 - 620-685 680 9.6 420 - Ag 101L-Ag 60Sn

    - -

    38272 72 28 - - 779 779 10 350 B Ag 8 Ag 401 - 72 A1

    38220 20 44 36 - * 690-810 810 8.7 330 - Ag 206 L-Ag 20 20 A1 -

    38234 34 36 27 3 - 630-730 710 9 420 - Ag 106L-Ag 34Sn

    - -

    38240 40 30 28 2 - 640-700 690 9.1 430 B Ag 28 Ag 105L-Ag 40Sn

    - AG20

    38245 45 27 25 3 - 640-680 670 9.2 350 B Ag 36 Ag 104L-Ag 45Sn

    - -

    38245 45 30 25 - - 660-740 730 9.2 410 B Ag 5 - - 45 A2 -

    38249 49 16 23 -Ni 4,5

    Mn 7,5 625-705 690 8.9 B Ag 22 Ag 502 L-Ag 49 - AG18

    38255 55 21 22 2 - 620-660 650 9.4 390 - Ag 103L-Ag

    55Sn- AG14

    38256 56 22 17 5 - 620-650 650 9.5 410 B Ag 7 Ag 102 - 56 A1 -

    38265 65 20 15 - - 670-720 710 9.6 400 B Ag 9 Ag 201 - 63 A1 -

    Note: According to the RoHS standard, only CadFree alloy should be used in specific industries. Castolin Eutectic products are certified to be RoHS compliant.

  • Stronger, with Castolin Eutectic 5

    www.castolin.com www.eutectic.com

    Solutions for OEMavailable sizes for silver alloys Most alloys are available in 500 mm rods and wire. Please contact your local Castolin Eutectic representative for more details about available packaging sizes.

    ProductComposition % Melting

    Range C

    Operating

    Temp. C

    density g/cm3

    Tensil Streng. N/mm2

    international Standards Corespondences

    ag Cu Zn Sn Others awS a58

    EN 1044

    diN 8513

    NFa 81-362

    BS 1845

    38313 13 44 33 10 * 605-795 790 8.7 - - L-Ag 12 Cd

    - -

    38317 17 41 26 14 * 610-780 760 8.7 - - - - -

    38320 20 40 25 15 * 605-765 750 8.8 - Ag 309 L-Ag 20 Cd

    20 A2 -

    38321 21 36 27 16 * 605-730 720 8.6 - Ag 308 - - -

    38323 23 35 27 15 * 620-730 720 8.7 - - - - -

    38325 25 30 27.5 17,5 * 605-720 710 8.8 B Ag-33 Ag 307 L-Ag 25 Cd

    - -

    38330 38 20 22 20 - 605-655 640 9.2 - - - - AG 3

    38334