Sifcupron No 17-5Ag Copper Phosphorus Brazing Rods – 2.5 mm x 5 Kg

RO1825505

£570.27 ex VAT £684.32 inc VAT

Brand: Weldability Sif
Product Model:
RO1825505
Availability:
In Stock

A copper/phosphorus alloy with 5% silver, exhibiting ductility and capillary flow characteristics between 17-2 AG and 17- 15 AG.

It provides the best combination of flow and ductility of all the silver-copper-phosphorous type brazing filler metals.

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Description

Sifcupron No 17-5Ag Copper Phosphorus Brazing Rods – 2.5 mm x 5 Kg

  • EN 1044: BS: 1845 AWS CP104,
  • CP4 A5.8 BCuP-3

Welding Positions

Suitable for use in heating and ventilation industries, shipbuilding, refrigeration, and offshore and electrical industries.

Material to be Welded

It is recommended for use in the production of electrical motors, dynamos and the joining of copper pipes in ship building and offshore industries.

It is extensively used in refrigeration, air conditioning and heat-exchanger components for fluxfree brazing of copper pipes and tubes. It is also used for joining copper in electrical engineering applications.

Not suitable for brazing iron-containing materials like carbon, stainless steel, or materials with a nickel content as the phosphorus within the filler will form brittle compounds at the joint. For brazing copper to copper no flux is needed.

Typical Weld Metal Composition

Ag (Silver) 5%
P (Phosphorus) 6%
Cu (Copper) Balance
Melting Point 645-730°C

Typical Mechanical Properties

Ag (Silver) 5%
P (Phosphorus) 6%
Cu (Copper) Balance
Melting Point 645-730°C
Ult Tensile Strength 600 N/mm²
Hardness 190

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