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Cast Steel Grit
2016-06-23 11:30:22   From:   Click:

Steel grit ,Crushing and grit screening division is equipped with biconical ball crushers
 
 
 STEEL GRIT G14
一 Performance & Technical standard: 
1. Chemical Composition:
Carbon: 0.8 - 1.2% 
Manganese :0.35-1.2% 
Silicon: ﹥0.4% 
Sulphur : ≤0.05% 
Phosphorus: ≤0.05%
2 Hardness: 
The rate is more than 90% as follows:
steel Grit:390HV~530HV(40HRC~49HRC)
      470HV~610HV(47HRC~54HRC)
      570HV~710HV( 51HRC~58HRC)
3 Min Density:
steel Grit≥7.4×103kg/m3
4 Metallurgical Structure: Tempered martensite and small amount of residual austenite and carbide dispersion 
5 Ervin time:
In the same hardness condition:
In stead of twice high carbon steel shot (Grit) ,Treble cast iron shot (Grit)
二 The use and application:
1 Blasting cleaning: casting ,die casting, forging , heat treatment, steels ,steel plate , Structural steel 
2 Derusting: casting ,die casting, forging , heat treatment, steels ,steel plate , Structural steel
3 Strenghening: heat treatment ,gears ,shafts, structure steel, ship plate, steels
4 Steel pretreatment :steels ,steel plate ,structure steel ,ship plate ,H style steel.
三 Size: ISO standard (SAEJ-444 Standard)

2 Grit:G240(G10)、G200(G12)、G170(G14)、G140(G16)、G120(G18)、G100(G25)、G070(G40)、G050(G50)、G030(G80)、G020(G120)、G010(G200)、G005(G325)

Steel grit ,Crushing and grit screening division is equipped with biconical ball crushers, that allows crushing of any grade of shot with high productivity and with getting of maximum sharp grit edges to apply excellent abrasive features. After crushing grit is transported to grit screening area, which is equipped with the group of sequential vibrosieves. Feeding and crushing process as well as subsequent screening is also automated. This division is communicatively connected to heat treatment division with a purpose of imparting individual mechanical properties to abrasives in accordance with customer order. 
The steel grit has exclusive abrasive properties due to high rigidity (resilience) of steel grit, which transfers the impact energy on the treated surface, but not on the deformation of granule. 
high chrome alloy steel grit 
Specifications
  1) Cast Steel Grit
  2) For surface cleaning, rust removal, peening, finishing
  3) High quality
  4) Long durability
  5) ISO 9001
  ProductIntroduction(ISO9001)
  cast steel grit is professionally manufactured 
  Size:G10,G12,G14,G16,G18,G20,G25,G40,G80,G120
  Hardness:42-64HRC
  Density:7.6g/cm3
  Usage
  Surface cleaning and rust removing for cast iron, cast steel, steel plate sand steel pipes, especially used in shot blasting machine and penning machine.

From :http://www.nuoqi-steel-shot.com/show-10-138-1.html
 

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