Brass is a popular material for manufacturing fittings due to its excellent properties, such as high corrosion resistance, durability, and malleability. Brass fittings are used in various industries, including plumbing, HVAC, and automotive, among others. In this blog, we’ll discuss the process of manufacturing brass fittings.

Brass Alloy Selection

The first step in manufacturing brass fittings is to choose the appropriate brass alloy. Different brass alloys have different properties, such as corrosion resistance, strength, and ductility, which make them suitable for specific applications. The most common brass alloys used in fittings are the C36000 and C37700 series.

Brass Extrusion

The next step is to extrude the brass alloy into the required shape. The extrusion process involves heating the brass alloy to a specific temperature and forcing it through a die to create the desired cross-section. Brass extrusion is a cost-effective process suitable for manufacturing high volumes of fittings.

Extruded Brass Rods


After the brass is extruded, it is machined to create the final product. Machining involves cutting, drilling, and threading the brass to the required dimensions. CNC machining is commonly used to manufacture brass fittings, providing high accuracy and precision.

Brass CNC Machining

Surface Treatment

After machining, the fittings undergo surface treatment to improve their appearance and resistance to corrosion. The most common surface treatment methods include electroplating and polishing. Electroplating involves coating the brass fittings with a thin layer of another metal, such as nickel or chrome, to improve their corrosion resistance. Polishing involves removing any imperfections on the surface of the fittings to give them a smooth and shiny finish.

Brass Surface Plating

Quality Control

The final step in manufacturing brass fittings is quality control. The fittings undergo various tests to ensure they meet the required specifications. The tests include checking the dimensions, strength, and corrosion resistance of the fittings.

Measuring Dimension for Quality Control

In conclusion, brass fittings are an essential component in various industries, and their manufacturing process involves selecting the appropriate brass alloy, extruding, machining, surface treatment, and quality control. By following these steps, manufacturers can produce high-quality brass fittings that meet the required specifications and provide reliable performance in their applications.