Silver-flo™ 40 is a very widely used cadmium free silver brazing filler metal. It offers a combination of medium melting temperature and flow characteristics. It can be used to fill gaps that cannot be tightly controlled. These properties make it a popular choice as an alternative to the higher silver content Silver-flo™ filler metals (Silver-flo™ 55 and 56).
Silver-flo™ 40 is widely used as a general purpose silver brazing filler metal as well as in joining copper to steel in refrigeration pipe work. It should be noted that this filler metal contains tin and may be described as being ‘hot-short’. It should not be quenched from high temperatures (in excess of 300 °C) and care should be taken when it is used to braze components with widely differing coefficients of thermal expansion as in both cases cracking of the joints may occur.
Key Products Features & Benefits:
– 40% Silver (Ag) – 30% Copper (Cu) – 28% Zinc (Zn) – 2% Tin (SN)
– Melt Range – 650-710 ºC
– Classified as AG103 to EN1044 1999 Specification.
– Classified as AG155 to ISO17672 2010 Specification
– Commonly available as a 1.5.0mm Dia. rod as
– Standard 600mm long
** Larger quantities are available from the Solder Connection Sales Office. Email sales@solderconnection.co.uk for more information **
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