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Steel shot is an abrasive obtained from the atomisation of liquid metal at 1800°, thanks to the fall caused by gravity on high pressure water jets.

Each metal jet is checked, in order to obtain the production of a certain amount of steel shot with different grain sizes.

In this way many steel shots are produced, with a diameter between 0,10 to 5,00 mm. After this phase the coarse product of fusion has a very fragile structure so it is dried and submitted to thermical treatment at 900-920° C. This phase helps the grain to be perfectly sharped, so that fragility will be eliminated, making an uniform and fairly hard steel.

Our steel shot can be applied in blasting with compressed air or with turbine and, in general, for any kind of surface. Choosing the shape and the hardness of the grain, it is possible to obtain the best treatment for any application.

A small grain has less impact power but a greater percentage of probability to impact on the cast, then to cover a greater area and to arrive even in the hidden areas.

Vice versa, using a bigger grain, there will be a stronger impact power but in the same time a lesser covering area.

In order to have impact strenght and covering it is recommended to use a mixture of steel shot.

Steel grits are divided in three categories: GP (hardness from 48 to 52 HRC) mainly used for deburring and descaling; GL, harder than GP (hardness from 53 to 57 HRC) guarantees an effect of cut and roughness and is used for deburring, descaling or for the preparation of surfaces before coating; GH (hardness higher than 64 HRC) is the harder steel grit, used for its high abrasive and cutting powerthat generates a very deep roughness, ideal for hooking.

STAINLESS STEEL SHOT

Stainless steel shot is used in shot blasting, sandblasting, shot peening and when it is necessary to avoid any presence of iron that could origin rust. Stainless steel shot is used in foundies of aluminium, copper and alloys, in steel industry, which produces stainless steel and in other particular cases of marble sawing.

APPLICATIONS:

  • surface finishing of casting, die-casting and other non-ferrous parts
  • cleaning of ceramic residues on castings and fusions of precision
  • cleaning of parts thermically treated
  • deburring
  • preparation of surfaces for coverings and paintings
  • surfaces that need any iron contamination during shot blasting
  • cleaning of weldings, burnishings and galvanizings
  • regeneration of automotive spare pieces
  • cleaning and abrasione of natural stone and concrete artifacts-deburring
  • satin finishing

ADVANTAGES:

  • brilliant and uniform metallic surfaces
  • better superficial roughness profil
  • long work duration
  • less powder and costs of waste
  • regularity in superficial brilliance during time
  • wide choice of sizes
  • ideal for the use in compressed air machines and in turbine machines
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