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Steel Grit

Good Raw Material ,Three Hardness ,Wide Application ,Long life , High Resistance

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Product Description

Model:G10,G12,G14,G16,G18,G25,G40,G50,G80,G120

Parameter :

Name:

GP steel grit

GL steel grit

GH steel grit

C

0.85-1.20 %

Mn

0.60-1.20 %

Si

0.50-1.20 %

S

≤0.05 %

P

≤0.05 %

Hardness

42-50HRC

56-60HRC

60-66HRC

External firm

Spheroid, semi-spheroid and flat granules <10%

Microstructure

Homogeneous tempered martensite and baintite

Density

7.4g/cm3


Steel Grit Types:

GP:Angular when new, this grit rapidly rounds off in use and its particularly suited descaling applications.

GL:Although harder then GP steel grit, also loses its sharp edges during shot basting and is particularly suited to descaling and surface preparation applications.

GH:Having maximum hardness, GH always remains angular in its operating mix. These abrasive are particularly effective in surface treatment processes and produce a uniform, etched finish, GH angular grit should only be used in wheel machines where working requirements take precedence over cost price considerations (for example with rolling mill cylinders or when a special finish is needed). For use mainly with compressed air equipment.

Application



Steel grit Cleaning
Steel shot and grit are used in cleaning applications for removal of loose material on metal surfaces. This type of cleaning is common in automotive industry (motor blocks, cylinder heads, etc.).
Steel grit Surface preparation
Surface preparation is as a series of operations including cleaning and physical modification of a surface. Steel shot and grit are used in surface preparation process for cleaning metal surfaces which are covered with mill scale, dirt, rust, or paint coatings and for physically modifying the metal surface such as creating roughness for better application of paint and coating. The steel shots are generally employed in shot blasting machines.
Steel grit Stone cutting
Steel grit is used in cutting hard stones, such as granite. The grit is used in large multi-blade frames which cut the blocks of granite into thin slices.
Steel grit Shot peening
Shot peening is the repeated striking of a metal surface by hard shot particles. These multiple impacts produce a deformation on the metal surface but also improve the durability of the metal part. The media used in this application is spherical rather than angular. The reason is that spherical shots are more resistant to the fracture which happens due to the striking impact.


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