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Help CenterCasting Grinding Balls for Cement Building 25-150mm 60HRC
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Specifications
1.Even hardness2.Size:20-150mm
3.ISO9001:2008
4.No breakable
Casting Grinding Balls for cement building
1.Specifications
High hardness
Good wear resistance
High toughness
No mal-roundness
Grinding Ball
We are one of the largest professional manufactory of chrome grinding ball and forged grinding ball in China.Our annual product of chrome grinding ball is about 50000MT.We are take the leading position in chinese chrome grinding ball industry. We will try our best to supply you with high quality products, reasonable price,timely delivery with satisfactory service as the base of our long time cooperation.
Applied Fields of Chrome Grinding Ball
1. Mines
2. Cement Plants
3. Chemical Industries
4. Power Stations
The process line of production
RAW MATERIAL→SCIENTIFIC PROPORTIONING → ELECTRIC FURNACE SMELTING → ASSAY BEFORE FURNACE → MOULD FORMING → POLISHING → HEAT TREATMENT → PACKING → TRANSPORTATION
Type and Chemical Composition of Chrome Grinding Ball
|
Name
|
Material |
C |
Si |
Cr |
Mn |
S |
P |
DZ-7 |
Cr-22-32% |
2.0-2.8 |
≤1.0 |
22-32 |
0.5-2.0 |
≤0.06 |
≤0.08 |
DZ-8 |
Cr-17-22% |
2.0-2.8 |
≤1.0 |
17-22 |
0.5-2.0 |
≤0.06 |
≤0.08 |
DZ-9 |
Cr-15-17% |
2.2-3.0 |
≤1.0 |
15-17 |
0.5-2.0 |
≤0.06 |
≤0.08 |
DZ-10 |
Cr-11-14% |
2.2-3.2 |
≤1.0 |
11-14 |
0.5-2.5 |
≤0.06 |
≤0.08 |
DZ-11 |
Cr-5-10% |
2.1-3.2 |
≤1.2 |
5-10 |
0.5-1.5 |
≤0.06 |
≤0.08 |
DZ-12 |
Cr-1.5-3.% |
2.2-3.5 |
≤1.2 |
1.5-3.0 |
0.5-1.5 |
≤0.06 |
≤0.08 |
Name |
Designation |
Chemical Composition(%) |
|||||||||
C |
Si |
Mn |
Cr |
Mo |
Cu |
Ni |
P |
S |
|||
Higher Chrome Casting iron Balls |
JCCr20 |
2.0-3.0 |
≤1.0 |
0.5-1.5 |
18-22 |
0-2.5 |
0-1.2 |
0-1.5 |
≤0.10 |
≤0.10 |
|
JCCr15 |
2.0-3.0 |
≤1.0 |
0.5-1.5 |
14-17 |
0-3.0 |
0-1.0 |
0-1.5 |
≤0.10 |
≤0.10 |
||
High Chrome Casting iron Balls |
JCCr13 |
2.0-3.0 |
≤1.0 |
0.5-1.5 |
11-14 |
0-1.0 |
0-2.0 |
0-1.5 |
≤0.10 |
≤0.10 |
|
Middle Chrome Casting iron Balls |
JCCr7 |
2.1-3.2 |
0.5-2.2 |
0.5-1.5 |
6-10 |
0-1.0 |
0-0.8 |
0-1.5 |
≤0.10 |
≤0.10 |
|
Low Chrome Casting iron Balls |
JCCr2 |
2.2-3.6 |
≤1.2 |
0.5-1.5 |
1.0-3.0 |
0-1.0 |
0-0.8 |
_ |
≤0.10 |
≤0.10 |
|
Name |
Designation |
Hardness(HRC) |
AK(j/cm²) |
Microstructure |
Times of Falling Balls |
|
|
||||
Quenched |
Unquenched |
|
|
||||||||
High Chrome Casting iron Balls |
JCCr20 |
≥56 |
≥45 |
≥4.0 |
M+C |
≥8000 |
|
|
|||
High Chrome Casting iron Balls |
JCCr15 |
≥56 |
≥45 |
≥4.0 |
≥8000 |
|
|
||||
JCCr13 |
≥56 |
≥49 |
≥4.0 |
≥8000 |
|
|
|||||
Middle Chrome Casting iron Balls |
JCCr7 |
_ |
≥48 |
≥4.0 |
|
≥8000 |
|
|
|||
Low Chrome Casting iron Balls |
JCCr2 |
_ |
≥45 |
≥4.0 |
|
≥8000 |
|
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