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

规格

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