SOLAR PANELS

Brazing alloys for manufacturing of:
thermal solar panels.

Silver Based Alloys

Code Composition % Melting Range SOL-LIQ Density Tensile strength Standard
Ag Cu Zn Sn Si °C g/cm3 kg/mm2 ISO 17672 EN 1044 AWS A5.8

Alloys

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
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
Notes RoHS compliant alloys.

Fluxes

FLUX AG1 General purpose
FLUX AG4 General purpose – Very wide range of temperatures
FLUX AG7 General purpose. Also for Stainless Steel

Copper-Phosphorus 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

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 copperbrass 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. Alloys with Silver are recommended for joints subject to vibrations. These alloys are available as rods, flux-coated rods, wires and rings.

Fluxes

FLUX AG4 General purpose – Very wide range of temperatures

Soft Solders

Code Composition % Melting Range SOL-LIQ Standard
Sn Pb Ag Cu Sb Zn Cd °C ISO 9453 EN 29453

Alloys

SnCu97/3 97 3 227-310 No. 402 S-Sn97Cu3
Notes RoHS compliant.
Ag1,5SnPb 5 93,5 1,5 296-301
Ag5Sn 95 5 221-235 No. 704
Notes RoHS compliant.
SnPb50/50 50 50 183-215 No. 111 S-Pb50Sn50
SnPb40/60 40 60 183-235 No. 114 S-Pb60Sn40

Fluxes

FLUX SN1 General purpose