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Help CenterHigh Chrome Grinding Media Ball For Ball Mill
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High Chrome Grinding Media Ball For Ball Mill
1.Features of Casting Grinding Ball
1) High Hardness: surface hardness of casting steel balls is to 60-68 HRC and volume hardness of chrome iron balls is to 60-63 HRC;
2) High Impact Toughness: impact toughness of chrome balls is more than 12 J/cm2;
3) Low Broken Rate: the actual broken rate is not higher than 1%;
4) Wear-resistant: the grinding loss of casting iron balls is 50-300g/ton.
2.Material and Chemical Composition of Casting Grinding Ball
Name |
Model |
Material |
C |
Si |
Mn |
Cr |
S |
P |
TITLE-8 |
High Chrome |
Cr-23-32% |
2.0-2.8 |
≤1.0 |
0.5-2.0 |
23-32 |
≤0.01 |
≤0.01 |
TITLE-9 |
Cr-18-22% |
2.0-2.8 |
≤1.0 |
0.5-2.0 |
18-22 |
≤0.01 |
≤0.01 |
|
TITLE-10 |
Cr-15-17% |
2.2-3.0 |
≤1.0 |
0.5-2.0 |
15-17 |
≤0.01 |
≤0.01 |
|
TITLE-11 |
Cr-10-14% |
2.2-3.2 |
≤1.0 |
0.5-2.5 |
10-14 |
≤0.01 |
≤0.01 |
|
TITLE-12 |
Medium Chrome |
Cr-5-9% |
2.1-3.2 |
≤1.2 |
0.5-1.5 |
5-9 |
≤0.01 |
≤0.01 |
TITLE-13 |
Low Chrome |
Cr-1-4% |
2.2-3.5 |
≤1.2 |
0.5-1.5 |
1-4 |
≤0.02 |
≤0.02 |
3.Physical Property of Casting Ball
Model |
Hardness(HRC) |
Impact Test(Ak.J/cm2) |
Endurance Test Times(5m) |
Microstructure |
|
Quenching |
Unquenching |
||||
High Chrome |
≥60 |
≥56 |
≥17 |
≥12000 |
M+C |
Medium Chrome |
- |
≥55 |
≥15 |
≥10000 |
P+C |
Low Chrome |
- |
≥52 |
≥13 |
≥10000 |
P+C |
4. Specification of Cast Grinding Ball
Nominal Diameter |
Diameter Tolerance |
Weight of Single Ball In Average |
Numbers of Per Ton Ball In Average |
|
(mm) |
(Inch) |
(mm) |
(g) |
|
20 |
0.75’’ |
+2 -1 |
32 |
31250 |
25 |
1’’ |
64 |
15625 |
|
30 |
1.25” |
110 |
9090 |
|
40 |
1.5’’ |
263 |
3802 |
|
50 |
2’’ |
513 |
1949 |
|
60 |
2.5’’ |
+3 -2 |
888 |
1126 |
70 |
2.75 |
1410 |
709 |
|
80 |
3.25’’ |
2104 |
475 |
|
90 |
3.5’’ |
2996 |
333 |
|
100 |
4’’ |
4110 |
243 |
|
110 |
4.5’’ |
+4 -2 |
5457 |
182 |
120 |
4.75’’ |
7102 |
140 |
|
130 |
5’’ |
9030 |
110 |
|
140 |
5.5’’ |
+4 -3 |
11278 |
88 |
150 |
6’’ |
13871 |
72 |
|
5.Main Process of Casting Grinding Ball
(1)Raw material (2)Scientific Proportioning (3)Electric Furnace Smelting (4)Assay Before Furnace (5)Mould Forming (6)Polishing (7)Heat Treatment (8)Qualified Products (9)Packing
6.Applied Field
1)Cement Plant 2)Mine 3)Power station 4)Chemical Industries 5)Sag Mill, Ball mill
7.Products Name
Cast Grinding Ball,Casting Grinding Ball,Cast Iron Ball,Casting Ball,Cast Ball,Cast Steel Ball,Cast Grinding Iron Ball,Cast Iron Grinding Ball,Cast Grinding Steel Ball,High Chrome Grinding Media,Middle Chrome Grinding media,Low Chrome Grinding Media,High Chrome Cast Ball,High Chrome Cast Grinding Ball,High Chrome Grinding Ball,Low Chrome Cast Ball,Low Chrome Cast Grinding Ball,Low Chrome Grinding Ball,Medium Chrome Casting Ball,Cement Mill Grinding Media, High Chrome Grinding Media Ball For Ball Mill
(1) Container Bags: 1000KGS/Bag
(2) Steel Drums(with Pallet): 850-900KGS/Drum
Photos of Products, Factory, Raw materials, Testing
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