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Steel Grinding Rod/Foundry Steel Ball/Grinding Cylpebs
1.Steel Grinding Rod
1) Size
Diameter: 30-120mm; Length: 3-10m
2) Chemical Composition&Hardness
Type |
Hardness |
Chemical Elements |
|||||||
C |
Si |
Mn |
Cr |
S |
P |
Ni |
Cu |
||
A |
HRC45-65 |
0.37-0.70 |
0.17-0.37 |
0.40-1.50 |
≤0.25 |
≤0.35 |
≤0.35 |
--- |
--- |
B |
HRC45-65 |
0.70-0.85 |
0.17-0.37 |
0.60-0.90 |
0.42-0.85 |
≤0.35 |
≤0.35 |
--- |
--- |
3) Packing: Banding
4) Applied fields: Rod Mill in Mining
2. Cast Grinding Cylpebs
1) Size: 10x15mm-45x60mm
2) Chemical Composition&Hardness
Type |
Hardness |
Chemical Composition |
|||||||
C |
Si |
Mn |
Cr |
Mo |
Cu |
S |
P |
||
Low Cr Grinding Cylpebs |
≥HRC45 |
2.6-3.5 |
0.2-1.5 |
0.3-1.5 |
0.8-1.8 |
Minim |
Minim |
≤0.15 |
≤0.15 |
Middle Cr Grinding Cylpebs |
≥HRC52 |
2.3-3.3 |
0.2-1.5 |
0.5-2.2 |
2.5-8.5 |
Minim |
Minim |
≤0.12 |
≤0.12 |
High Cr Grinding Cylpebs |
≥HRC60 |
2.2-3.2 |
0.4-1.6 |
0.4-1.6 |
10-13 |
0.3-1.5 |
0.2-1 |
≤0.10 |
≤0.10 |
3) Packing
1)Container Bag: 1000Kg/Bag;
2)Steel Drum: 850-910Kg/Bag
3. Casting/Foundry Steel Balls
1) Chemical Composition of Casting Grinding Ball
Name |
Model |
Material |
C |
Si |
Mn |
Cr |
S |
P |
TITLE-8 |
High Chrome |
Cr-22-32% |
2.0-2.8 |
≤1.0 |
0.5-2.0 |
22-32 |
≤0.06 |
≤0.08 |
TITLE-9 |
Cr-17-22% |
2.0-2.8 |
≤1.0 |
0.5-2.0 |
17-22 |
≤0.06 |
≤0.08 |
|
TITLE-10 |
Cr-14-17% |
2.2-3.0 |
≤1.0 |
0.5-2.0 |
15-17 |
≤0.06 |
≤0.08 |
|
TITLE-11 |
Cr-10-14% |
2.2-3.2 |
≤1.0 |
0.5-2.5 |
11-14 |
≤0.06 |
≤0.08 |
|
TITLE-12 |
Medium Chrome |
Cr-5-10% |
2.1-3.2 |
≤1.2 |
0.5-1.5 |
5-10 |
≤0.06 |
≤0.08 |
TITLE-13 |
Low Chrome |
Cr-1.0-5% |
2.2-3.5 |
≤1.2 |
0.5-1.5 |
1.5-3 |
≤0.06 |
≤0.08 |
2) Physical Property of Casting Grinding Ball
Model |
Hardness(HRC) |
Impact Test(Ak.J/cm2) |
Endurance Test Times(5m) |
Microstructure |
|
Quenching |
Unquenching |
||||
High Chrome |
≥60 |
≥50 |
≥4 |
≥12000 |
M+C |
Medium Chrome |
- |
≥48 |
≥3 |
≥10000 |
P+C |
Low Chrome |
- |
≥46 |
≥2 |
≥8000 |
P+C |
3) Specification of Cast Grinding Balls
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