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          Operative Standards:

          In accordance with standards of GB/T18838.3-2008 Steel Shot and Steel Grit,SFSA20-66Cast Steel Abrasive, SAE J827 Cast Steel Shot, SAE J1993High Carbon Steel Grit, YB/T5149-1993 Cast Steel Shot, YB/T5150-1993Cast Steel Grit,ISO11124-3High Carbon Cast Steel Shot and Grit.

          SAE

          Application

          G-12

          G-14

          G-16

          Blasting/descaling medium-to-large cast steel, cast iron, forged pieces, steel plate and rubber adhered work pieces.

          G-18

          G-25

          G-40

          Cutting/grinding stone; Blasting rubber adhered work pieces;Descaling steel plate, container, ship hall before painting; Cleaning small-to-medium cast steel, cast iron, forged pieces, etc.

          G-50

          G-80

          G-120

          Blasting/descaling steel wire, spanner, steel pipe before painting process; Cleaning precision castings (eg. golf blocks).

          Application:


          Blast cleaning of cast steel grit:Used for blast cleaning of casting, die-casting,forging,sand removal of casting, steel plate, H type steel, steel structure.
          Rust removal of cast steel grit:Rust removal of casting, forging, steel plate, H type steel, steel structure, descaling of forging.
          Shot peening of cast steel grit:Shot peening of gear, heat treatment.
          Shot blasting of cast steel grit:Shot blasting of profile steel,ship board,steel board,steel material.
          Shot blasting of cast steel grit:Shot blasting of steel board, profile steel, steel structure.

          Pre-treatment of cast steel grit:Pre-treatment of surface, steel board, profile steel, steel structure, before-painting. 

          Application Devices:

          Steel grit mainly used for the following equipment including rotary barrel shot blasting machine, chain type shot blasting machine,pedrail type shot blasting machine,pass through shot blasting machine,table type shot blasting machine, Pendent-chain & Pile-type Shot Blasting Machine, trolley type shot blasting machine,abrator, abrator equipment,shot peening machine,shot peening equipment,sandblasting machine,sandblasting equipments,steel material pretreatment production line,steel plate pretreatment production line, steel structure pretreatment production line. 


          The Major Technological Index:

          Products

          Steel Grit

          Chemical Composition


          C

          0.80~1.10%

          Mn

          0.60~1.20%

          Si

          0.50~1.20%

          S

          ≤0.03%

          P

          ≤0.03%

          Microhardness

          GP:42~50HRC (399~509HV)
          GL:56~60HRC (620~713HV)
          GH:63~66HRC (795~889HV)

          Hardness Deviation

          Max Deviation ±3.0HRC

          Microstructure

          Tempered Martensite or Sorbite

          Density

          7.5g/cm3



          Distribution of Cast Steel Grit:


          mesh

          mm

          規格

          QG,H,
          L,P -25

          QG,H,
          L,P -20

          QG,H,
          L,P -17

          QG,H,
          L,P -14

          QG,H,
          L,P -12

          QG,H,
          L,P -10

          QG,H,
          L,P -7

          QG,H,
          L,P -4

          QG,H,
          L,P -3

          QG,H,
          L,P -2

          7

          2.80

          all pass










          8

          2.36


          all pass









          10

          2.00

          80%min


          all pass








          12

          1.70

          90%min

          80%min


          all pass







          14

          1.40


          90%min

          80%min


          all pass






          16

          1.18



          90%min

          75%min


          all pass





          18

          1.00




          85%min

          75%min


          all pass




          20

          0.850








           



          25

          0.710





          85%min

          70%min


          all pass



          30

          0.600









           


          35

          0.500











          40

          0.425






          80%min

          70%min


          all pass

           

          45

          0.355











          50

          0.300







          80%min

          65%min


          allpass

          80

          0.180








          75%min

          65%min


          120

          0.125









          75%min

          60%min

          200

          0.075










          70%min

          325

          0.045











          SAE

          G-10

          G-12

          G-14

          G-16

          G-18

          G-25

          G-40

          G-50

          G-80

          G-120

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