Understanding Corrosion in Water Pipelines: A Guide for Pipeline Designers


Pin Brazing

Last updated: August 17, 2017

What Does Pin Brazing Mean?

Pin brazing is a simple, metallurgically safe method for making electrical connections to steel and iron pipelines as well as other metallic structures. It is used in cathodic protection systems in which electricity is used to protect the substrate from corrosion.


Corrosionpedia Explains Pin Brazing

The brazing process is simply a welding process that uses a brazing gun.

The benefits of pin brazing include:

  • Speed of connection
  • Low Temperature: The low melting point of the solder and short brazing time keep thermal effects on the metal to a minimum.
  • All weather: Operators can work in any conditions, including wind, rain, cold and damp.
  • Easy to Use: Operators can be trained to maintain and use equipment in less than an hour.
  • Versatile: The equipment is portable, allowing connections to be made almost anywhere and in virtually every position.

The pin brazing technique is well designed for applications such as:

  • Joints between insulated pipe sections
  • Installation of sacrificial anodes
  • Connection to measuring cables
  • Bonding zinc bracelets to offshore pipelines


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