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Copper-Phosphorus Brazing Rods with 5% SILVER - Ag5CuP - 250gr

Alliage de brasage avec une teneur en argent moyen (5%) pour les articulations pratiques en cuivre et en cuivre. Bonne fluidité

Code de produit: Ag5CuP PLUS 0,25
Tva exclue

Physical and technical properties

Melting range (Solidus – Liquidus):

645 - 815 °C

Minimum brazing temperature (flow point):

710 °C


8,2 g/cm3

Tensile Strength (filler metal):

55 kg/mm2

Electrical conductivity:

9,6 % IACS

Recommended joint gap:

0,05 – 0,2 mm

Continuous service joint operating temp.:


Max. short service joint operating temp.:

200 °C

Range of application

Ag5CuP is a silver-copper-phosphorous brazing alloy, with very good flow characteristics.
It can be used to join copper to copper or copper based base materials (e.g. bronzes / brasses).

The phosphorus contained in the alloy acts as a fluxing agent, so that it is not necessary to use an additional flux when brazing copper to copper; however when joining copper based materials (e.g. bronzes / brasses) a proper flux should be used.

Good service performance are obtained on joints subject to vibrations.

Ag5CuP should not be used on ferrous or nickel alloys, or alloys containing more than 10% of nickel, due to the formation of brittle intermetallic compounds which will cause failure of the joint.

Corrosion resistance of Ag5CuP is generally satisfactory, except when the joint is contact with sulphurous atmospheres (especially at high temperatures); the alloy should therefore not be used to join parts that could come into contact with sulphur containing medias.

Typical brazing processes include flame, induction and furnace brazing.

Tensile strength of joints brazed with Ag5CuP will generally exceed base metals strength.
Joint strength is however a function of various factors, such as: type of base metals to be joined, type of joint, joint clearance, brazing procedure, etc.

Typical applications are in plumbing, in the electric and electromechanic industry, and in the refrigeration and air- conditioning industry.

Corresponding standards

ISO 17672
CuP 281
CP 104
AWS A5.8-04
DIN 8513