5% Silver Copper-Phosphorous Brazing Alloy

Stock Code: W.0936-15

Available on Back-Order
£88.99 inc VAT £74.16 ex VAT Per Kg

SafraBraze 5AG is a 5% silver-copper-phosphorus brazing filler metal, which is used to braze copper and copper alloys. When brazing copper the phosphorous within the alloy imparts a metallurgical based self-fluxing capability. When brazing brass, bronze or gun metal a separate flux will be required because the self-fluxing action only occurs on copper.

This filler metal should not be used to braze iron containing materials like carbon or stainless steels or nickel containing materials as the phosphorus within the filler metal will form brittle, intermetallic, phosphide compounds, at the joint interface.

SafraBraze 5AG is not suitable for use in sulphurous atmospheres at elevated service temperatures. When selecting a brazing filler metal from the SafraBraze range it is necessary to understand about the flow and ductility of the different products. Phosphorus is the key element, the higher this is the more free flowing the filler metal, but the lower its ductility. Silver is used to improve the filler metal’s ductility, but reduces its flow properties. SafraBraze 5AG provides the best combination of flow and ductility of all the silver-copper-phosphorus type brazing filler metals.

The optimum joint gap for brazing is normally 0.05-0.2mm

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