Luoyang Zhongtai Industrial Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram, MoneyGram |
| Supply Ability | 300 sets per month |
| Delivery Time | 30 days |
| Packaging Details | Standard shipping packaging |
| Product name | Grinding Steel Ball |
| Inch | 3/4 ” |
| Composition | C, Si, Mn, Cr, P, S, Ni, Cu |
| T weight(Kg) | 0.039+/-0.005 |
| Material | B2 |
| Hardness | HRC55-65 |
| Size | D20MM |
| Classification | Castings and forgings |
| Brand Name | ZTIC |
| Model Number | Castings And Forgings |
| Certification | ISO/CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram, MoneyGram | Supply Ability | 300 sets per month |
| Delivery Time | 30 days | Packaging Details | Standard shipping packaging |
| Product name | Grinding Steel Ball | Inch | 3/4 ” |
| Composition | C, Si, Mn, Cr, P, S, Ni, Cu | T weight(Kg) | 0.039+/-0.005 |
| Material | B2 | Hardness | HRC55-65 |
| Size | D20MM | Classification | Castings and forgings |
| Brand Name | ZTIC | Model Number | Castings And Forgings |
| Certification | ISO/CE | Place of Origin | China |
| High Light | D20mm Forging Steel Ball ，D125mm Forging Steel Ball ，Forging Grinding Steel Ball | ||
D20mm-125mm Forging Steel Ball & Grinding Steel Ball For Ball Mill
1. Product introduction of grinding steel ball:
Grinding steel ball refers to the steel ball used for grinding mill materials, actually is a kind of grinding body. It should be said that wear-resistant steel ball is just a kind of ball grinding steel ball, is not wear-resistant steel ball can also be called grinding steel ball. Such as casting steel ball (high chromium ball, medium chromium ball, low chromium ball), forging steel ball, rolling steel ball, bearing steel ball can be called grinding steel ball, where engaged in grinding operations can be called grinding steel ball.
Steel balls are widely used in bearing, hardware, electronics, iron art, mechanical equipment, electric power, mining, metallurgy and other fields.
Castings And Forgings
2. Preparation method of grinding steel ball:
Low chromium steel ball is the most important grinding body in ball mill, which is called grinding steel ball abroad. Low chromium steel balls are produced by medium frequency electric furnace melting, metal mold or sand casting, so domestic wear-resistant material manufacturers often called low chromium alloy casting balls.
Castings And Forgings
3. Technical standard of grinding steel ball:
(1) Hardness test is the most important data for whether the grinding steel ball is wear-resistant, which can be tested by Rockwell hardness tester. Practice shows that the service life of steel balls with HRC60 and above is more than twice of HRC40-50.
(2) Low chromium steel ball refers to chromium content ≤3.0%, carbon content between 1.80%-3.30% of the steel ball is low chromium ball, the national standard requirements of low chromium ball hardness (HRC) must be ≥45 degrees above, if the use of low chromium ball quality recommendations must use heat treatment tempering or vibration aging treatment. If the test hardness (HRC) is below 40 degrees, the low chromium ball hardness is insufficient or overburning.
(3) Application field:
Grinding steel balls are widely used in metallurgical mines, cement building materials, thermal power generation, flue gas desulfurization, aerated concrete, magnetic materials, chemical industry, coal water slurry, pellets, slag, ultrafine powder, fly ash, calcium carbonate, quartz sand and other industries.
Castings And Forgings
4. Specification of grinding steel ball:
| Inch | Size | T weight(Kg) | Actual Diameter Range (mm) | Material | Surface hardness (HRC)+/-0.5 HRC | Core hardness (HRC)+/-0.5 HRC | Volume Hardness (HRC)+/-0.5 HRC |
| 3/4 ” | D20MM | 0.039+/-0.005 | 19.3~22.3 | B2 | 63-66 | 62-64 | 63-66 |
| 1 ” | D25MM | 0.075+/-0.01 | 24.5~27.5 | B2 | 63-66 | 62-64 | 63-66 |
| 1 1/4 ” | D30MM | 0. 14+/-0.02 | 29.7~32.7 | B2 | 63-66 | 62-64 | 63-66 |
| 1 1/2 ” | D40MM | 0.31+/-0.04 | 39.6~43.6 | B2 | 63-66 | 62-64 | 63-66 |
| 2” | D50MM | 0.59+/-0.05 | 50~54 | B2 | 62-65 | 61-63.5 | 62-65 |
| 2 1/2 ” | D60MM | 1.0+/-0.05 | 60.4~64.4 | B2 | 62-65 | 59-61 | 61-64 |
| 2 1/2 ” | D65MM | 1.25+/-0.07 | 65.6~70.6 | B2 | 62-65 | 59-61 | 61-64 |
| 2 1/2 ” | D65MM | 1.25+/-0.07 | 65.6~70.6 | B3 | 61-63 | 58-60 | 58-62 |
| 3” | D75MM | 1.9+/-0. 1 | 76~81 | B2 | 61-63 | 59-62 | 60-63 |
| 3” | D75MM | 1.9+/-0. 1 | 76~81 | B3 | 61-63 | 58-60 | 58-62 |
| 3 1/2” | D90MM | 3. 1+/-0. 15 | 88~93.5 | B3 | 60-62 | 57-60 | 59-62 |
| 3 3/4” | D94MM | 3.5+/-0.2 | 92~97.5 | B3 | 60-62 | 57-60 | 59-62 |
| 4” | D100MM | 4. 1+/-0.2 | 98~103 | B3 | 60-62 | 57-60 | 59-62 |
| 4.2” | D105MM | 4.76+/-0.2 | 103~108 | B3 | 59-62 | 57-60 | 59-62 |
| 4.5” | D115MM | 6.3+/-0.2 | 113~118 | B3 | 59-62 | 57-60 | 58-62 |
| 5” | D125MM | 8.2+/-0.3 | 123~128.5 | B3 | 58-62 | 57-60 | 58-62 |
Castings And Forgings
Material
| C | Si | Mn | P≤ | S≤ | Cr | Ni ≤ | Cu≤ | |
| B2 | 0.72-0.86 | 0. 15-0.37 | 0.70-0.80 | 0.035 | 0.035 | 0.20-0.60 | 0.25 | 0.25 |
| B3 | 0.58-0.66 | 1.30- 1.90 | 0.40-0.80 | 0.035 | 0.035 | 0.70-0.90 | 0.25 | 0.25 |
Castings And Forgings
Castings And Forgings
Castings And Forgings
Company Details
Business Type:
Manufacturer
Year Established:
1981
Total Annual:
80 million-100 million
Employee Number:
500~1000
Ecer Certification：
Verified Supplier
Luoyang Zhongtai Industries Co., Ltd. The company was founded in 1981 and finished joint stock reform in 2005. There are eight subsidiaries and it's an independent legal entity with the qualifications of operating import & export trade. With a garden-like industrial park and modern st... Luoyang Zhongtai Industries Co., Ltd. The company was founded in 1981 and finished joint stock reform in 2005. There are eight subsidiaries and it's an independent legal entity with the qualifications of operating import & export trade. With a garden-like industrial park and modern st...
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