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). |
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) |
|
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, |
QG,H, |
QG,H, |
QG,H, |
QG,H, |
QG,H, |
QG,H, |
QG,H, |
QG,H, |
QG,H, |
||
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 |