Forged Steel BallsForged steel ball is divided into carbon grinding steel ball, manganese grinding steel ball and special alloy grinding steel ball. Diameter 20-70mm and 80-150mm steel ball are produced respectively by advanced automatic hot rolling and hot forging steel ball production line.;Casting Balls Products with high hardness, low wear, good toughness and less broken ratio;Casting Steel Cylpeb has same production process and chemical composition with the casting steel ball, just the mould is different. It’s also divided into low, medium and high chrome;Hot Rolling Steel CylpebHot rolling steel cylpeb is produced by fully automatic hot rolling production line with high hardness and smooth surface. The material is same as forged steel ball which can take place of casting steel cylpeb;Grinding steel rod TOMINE grinding rods have high content of carbon, manganese and chrome which provide product high hardness and resistance against wear and tear, featured with hardness profiles that have a equal surface and core hardness.
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Forged Steel Balls
TOMINE grinding balls with uniform hardness in a high efficiency due to its advanced quenching technology. In advanced, TOMINE steel balls feature high accurate dimensions, rounded geometry shape, high hardness and good mechanical properties, wear – resistance, no deformation, no breakage.
Forged Steel Balls
Forged steel ball is divided into carbon grinding steel ball, manganese grinding steel ball and special alloy grinding steel ball. Diameter 20-70mm and 80-150mm steel ball are produced respectively by advanced automatic hot rolling and hot forging steel ball production line.
Casting Balls
Products with high hardness, low wear, good toughness and less broken ratio,
Casting Steel Cylpeb
Casting steel cylpeb has same production process and chemical composition with the casting steel ball, just the mould is different. It’s also divided into low, medium and high chrome.
Hot Rolling Steel Cylpeb
Hot rolling steel cylpeb is produced by fully automatic hot rolling production line with high hardness and smooth surface. The material is same as forged steel ball which can take place of casting steel cylpeb
Grinding steel rod
TOMINE grinding rods have high content of carbon, manganese and chrome which provide product high hardness and resistance against wear and tear, featured with hardness profiles that have a equal surface and core hardness.
1.Forged steel balls
1.TP-1 steel grinding ball
TP-1 steel grinding ball is the most commonly used one. Widely used in mines, power plants, chemical plants and mill factory’s large ball mill. Diameter is 20-150mm. And we can also customize all size of products according to clients’ demand. The main products performance as follow:
|
Chemical Composition |
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | ||
| Size | 20-150mm(0.8inch-6inch) | ||||||||
|
Hardness |
Serious | Hardness | |||||||
| Standard Hardness | 48-53HRC | ||||||||
| High Hardness | 55-60HRC | ||||||||
| Impact Value | ≥15J/CM^2 | ||||||||
| Balls Number | ≥20000times | ||||||||
| Micro structure | M+C(C-Carbide M-Martensite ) | ||||||||
②TP-2 steel grinding ball
TP-2 steel grinding ball with high manganese content, impact value is more than 15J/CM^2, less wearing. Well exported all over the world. Performance as follow:
|
Chemical Composition |
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 0.6-1.0 | 0.17-0.45 | 0.9-1.2 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | ||
| Size | 20-150mm(0.8inch-6inch) | ||||||||
|
Hardness |
Serious | Hardness | |||||||
| Standard Hardness | 50-58HRC | ||||||||
| High Hardness | 55-60HRC | ||||||||
| Impact Value | ≥15J/CM^2 | ||||||||
| Balls Number | ≥20000times | ||||||||
| Micro structure | M+C(C-Carbide M-Martensite ) | ||||||||
③TP-3 grinding steel ball
This grinding ball is widely used all over the world. High volume hardness and less wearing. Quality is well accepted by the customers. Please kindly check the following detailed performance.
|
Chemical Composition |
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 0.7-0.9 | 0.17-0.37 | 0.7-0.8 | 0.4-0.6 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | ||
| Size | 20-150mm(0.8inch-6inch) | ||||||||
|
Hardness |
Serious | Hardness | |||||||
| Standard Hardness | 58-63HRC | ||||||||
| High Hardness | 60-65HRC | ||||||||
| Impact Value | ≥15J/CM^2 | ||||||||
| Balls Number | ≥20000times | ||||||||
| Micro structure | M+C(C-Carbide M-Martensite ) | ||||||||
TP-4 steel grinding ball
This grinding steel ball is one new type steel ball, good toughness and no breakage. It’s the new favorite in the users. Performance as follow:
|
Chemical Composition |
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
| 0.58-0.66 | 1.30-1.90 | 0.65-0.80 | 0.70-0.90 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | ||
| Size | 20-150mm(0.8inch-6inch) | ||||||||
|
Hardness |
Serious | Hardness | |||||||
| Standard Hardness | 58-63HRC | ||||||||
| High Hardness | 60-65HRC | ||||||||
| Impact Value | ≥15J/CM^2 | ||||||||
| Balls Number | ≥20000times | ||||||||
| Micro
structure |
M+C(C-Carbide M-Martensite ) | ||||||||
| Diameter Tolerance(mm) | 20-25mm | 30-60mm | 70-90mm | 100-150mm |
| ±1 | ±1.5 | +3，-2 | +3，-3 | |
| Roundness tolerance（%） | ≤1% | ≤1% | ≤1.5% | ≤2% |
2.Casting Balls
| Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| 2.0-3.3 | ≤1.2 | 0.3-1.5 | 7.0-20.0 | ≤1.2 | ≤3.0 | ≤0.10 | ≤0.10 |
①High Chrome casting steel ball
|
Chemical Composition |
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| 2.0-3.3 | ≤1.2 | 0.3-1.5 | 7.0-20.0 | ≤1.2 | ≤3.0 | ≤0.10 | ≤0.10 |
|
Hardness |
Serious | Hardness |
| Standard Hardness | 53-63HRC | |
| High Hardness | 58-65HRC | |
| Impact Value | ≥3.5J/CM^2 | |
| Balls Number | ≥12000times | |
②Medium chrome casting steel ball
Middle chrome grinding balls chrome concentration is 4-6%, hardness ≥ HRC 48, Middle chrome grinding ball have a better performance than complex alloy ball.
|
Chemical Composition |
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| 2.1-3.6 | ≤1.5 | 0.3-1.5 | 4.0-6.0 | ≤0.80 | ≤1.0 | ≤0.10 | ≤0.06 |
|
Hardness |
Serious | Hardness |
| Standard Hardness | 47-52HRC | |
| High Hardness | 50-53HRC | |
| Impact Value | ≥2J/CM^2 | |
| Balls Number | ≥12000times | |
③Low chrome casting steel ball
Chrome Concentration is 1-3%, hardness ≥ HRC 45, this steel ball is called low chrome grinding balls, which is made by smelting in intermediate frequency electric furnace, metal mould or sand casting process.
3.Casting Steel Cylpeb
|
Chemical Composition |
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| 2.1-3.6 | ≤1.5 | 0.3-1.5 | 1.0-3.0 | ≤0.80 | ≤1.0 | ≤0.10 | ≤0.10 |
|
Hardness |
Serious | Hardness |
| Standard Hardness | 58-63HRC | |
| High Hardness | 60-65HRC | |
| Impact Value | ≥15J/CM^2 | |
| Balls Number | ≥20000times | |
Size of casting steel cylpeb
| Dia*Length(mm) | Dia*Length(mm) | Dia*Length(mm) | Dia*Length(mm) |
| 10*10(12) | 12*12(14) | 14*14(16) | 16*16(18) |
| 18*18(20) | 20*25 | 25*30 | 30*35 |
| 35*40 | 40*45 | 45*50 | 50*55 |
Performance of the steel cylpeb
| Series | Hardness | Micro structure | Falling number | Impact value |
| Low Chrome | 45-50HRC | P+C(P-Pearlite C-Carbide) | ≥8000times | ≥1J/CM^2 |
| Medium Chrome | 48-53HRC | M+C(C-Carbide M-Martensite ) | ≥1000times | ≥2J/CM^2 |
| High Chrome | Windy quenching: 53-58HRC
Oil quenching: 58-65HRC |
M+C(C-Carbide M-Martensite ) | ≥12000times | ≥3.5J/CM^2 |
Chemical composition of casting steel cylpeb
| Series
|
C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| Low Chrome | 2.1-3.6 | ≤1.5 | 0.3-1.5 | 1.0-3.0 | ≤0.80 | ≤1.0 | ≤0.10 | ≤0.10 |
| Medium Chrome | 2.1-3.6 | ≤1.5 | 0.3-1.5 | 4.0-6.0 | ≤0.80 | ≤1.0 | ≤0.10 | ≤0.10 |
| High Chrome | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 7.0-20.0 | ≤0.80 | ≤1.0 | ≤0.10 | ≤0.10 |
4.Hot Rolling Steel Cylpeb
Size of hot rolling steel cylpeb
| Dia*Length(mm) | Dia*Length(mm) | Dia*Length(mm) | Dia*Length(mm) |
| 20*30 | 25*35 | 30*40 | 35*45 |
| 40*50 | 45*55 | 50*60 | 55*65 |
| 60*70 |
Chemical composition is same with forged steel balls
5. Grinding steel rod
Chemical Composition of the grinding rod
| Series | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) |
| Carbon steel grinding rod | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 |
|
Manganese steel grinding rod |
0.48-0.56 | 0.17-0.37 | 0.6-1.0 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 |
| 0.57-0.65 | 0.17-0.37 | 0.7-1.0 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | |
| 0.62-0.70 | 0.17-0.37 | 0.9-1.0 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | |
| Special steel grinding rod | 0.72-0.80 | 0.17-0.37 | 0.8-0.9 | 0.5-0.6 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 |
| Diameter（mm） | Length
(mm) |
HRC | Impact value | Drop times | Breakage rate | Straightness |
| 50-160mm | 2-6m | 45-60HRC | >12j/cm^2 | >15 | ≤1% | 2/1000 |
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