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Advantages of Forged Products Fittings versus Other Products

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Most of the time, forging is a much better way to make fittings than other methods. The forging process keeps the structure and composition of the materials the same, and metallurgical re-crystallization and grain refinement make steel products stronger, especially in terms of shear, impact, and strength.

Because the grain structure of forged products is changed to fit the shape of the part, it is more robust and reliable than brazed, cast, or plate steel.

Some of the best reasons to use forged products

  • Their tight grain structure makes them more robust than other ways of making things.
  • Low cost because less extra flashing is wasted and near-net shapes can be made.
  • No problems with holes, cracks, shrinking, or cold pouring
  • There is less demand for costly alloys to make vital parts.
  • The fitting will last longer and be less likely to wear out.
  • You can make it without the help of a skilled worker.
  • Solid bodies can be made in a broader range of shapes.
  • Better resistance to impact than brazed or cast fittings.

What’s the Difference Between Forged Fittings and Brazed Fittings?

Forged Fittings

Forged products are made from a single piece of metal. This means they can be made with less material and have a smaller wrench flat and a more compact design. Most forged fittings are constructed by “hot forging,” which warms the metal beyond its re-crystallization temperature. This allows the “annealing” process to grow new metal grains without changing the metal’s phase.

Brazed Fittings

Brazed fittings are made by assembling several parts that have already been machined. This creates a finished part. Even though the brazing process can allow for some customization when putting together multiple parts, the joints are prone to wear and tear. In a furnace brazing, multiple components can be joined together on a moving belt in a regulated heat cycle and environment, resulting in a finished brazed fitting. 

But extra steps are needed to help the capillary action in the brazing process, such as making sure the parts fit together very closely. During the procedure, secondary parts are also annealed. During the design process, there must also be plans for where the brazed parts will go and how they will fit.

Casting vs. Forged Fittings

To make a cast fitting, molten metal is poured into a mould of the desired shape. Forged fittings are more robust and trustworthy than castings because the grain flow of the solid steel piece is changed to fit the shape of the part in the die. Forging makes sure that the structure and composition of the finished part are the same because of this. The deformation process and thermal cycle cause the part to get better, making it more robust in terms of internal working pressure, external impact, and shear strength.

Forging is better than casting in these ways:

  • A forging is more robust than a casting because the grains are close together.
  • Unlike castings, forgings don’t have problems like holes, porosity, cold pour problems, or shrinking.
  • Castings usually need more expensive alloys to be as strong as most fittings need them to be.
  • The tight grain configuration of forgings makes them more resistant to wear, and they aren’t as hard as castings, which makes them less likely to break. This means a forged fitting can handle higher pressures and more extreme conditions and last longer than a casted fitting.

Conclusion

In short, carbon steel forging last longer and are more reliable than castings. In similar applications, they are also usually cheaper.

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