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2) Type:
|
S110 |
S170 |
S230 |
S280 |
S330 |
S390 |
S460 |
S550 |
S660 |
S780 |
S930 |
|
0.3 |
0.4 |
0.6 |
0.8 |
1 |
1.2 |
1.4 |
1.7 |
2 |
2.5 |
3 |
3) Standard: GB/T18838.3-2008 steel shot and steel grit
SFSA20-66 cast steel abrasive
SAE J827 cast steel shot
YB/T 5149-1993 cast steel shot
ISO11124-3 High carbon cast steel shot and grit
4) Hardness: 40-50 HRC(The hardness of steel shot can be ajusted according to the client's requirements.)
5) Microstructrue: Homogeneous tempered Martensite or toostite
6) External Form: Round or similar round. The rate of deformity < 10%
7) Chemical Composition
|
C |
0.85-1.2% |
|
Mn |
0.6-1.2% |
|
Si |
0.4-1.2% |
|
S |
<=0.05% |
|
P |
<=0.05% |