the die is cast what is the difference between forged and extruded brass ...

by:Hanway     2019-08-17
Brass products can go from cheap castings to highend, hand-Gallery-hammerquality art.Working with brass is a skill honed since the accidental discovery of brass centuries ago.Brass is an alloy consisting of zinc and copper.Most of the accessories made of brass are cast, forged or extruded.Casting is your most common brass statue or knob.However, unless you understand each process, the difference between forging and extrusion fittings may be more difficult to identify.
Extrusion is the process of forcing softening brass through the mold.The mold is a piece or piece of steel configured for a specific final product.The same is true if you have seen noodles.The dough is forced through the mold to form a specific pasta shape according to the design of the mold.However, for brass, the process is a bit complicated due to the precise temperature involved and the additives needed to prevent the brass from combining with die steel.
Like the pasta mentioned above, once the brass is extruded through the mold, it is cooled and cut from its stick (continuous length squeezed through the mold) to length.About accessories, a new accessory is created every time the blade drops.Once cut to the right size, there is a refining process to smooth the rough edges and refine the brass parts for distribution.
Forging is the process of pressing, hammering, or compressing metal into the desired form.This process produces very solid metals.Unlike castings, the forged metal will never melt.It is softened so it can be manipulated.The result of metal forging is the manufacture of products that are stronger and more resilient than any other metal processing process.
Most of the confusion between the forging fitting and the extrusion fitting comes from the forging process starting with the extrusion.Brass is squeezed into round rods that are pulled straight and cut to the desired length.The straightening process strengthens the brass and actually changes the metal composition.Then cut the extruded stick into a plug (short film on the stick), re-heat it to make it soft, and press it in the accessory mold.
Considering that you can find the same accessory shape made by both processes, the confusion between forging and extrusion fittings permeates their use.The real difference is the strength of the product.Forging fittings are much stronger than extrusion fittings.Extrusion fittings are ideal for low pressure, low vibration purposes such as hinges and railings.Forging accessories are more suitable for industrial use such as pipes and electrical components.
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