| Material: | Stainless Steel |
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| Content: | >90% |
| Usage: | Construction, Chemical, Grind, Mining, Cement Plant |
| Processing Type: | Forged & Cast |
| Size: | Middle |
| Color: | Brown |
| Samples: |
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| Customization: |
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Audited Supplier Grinding steel ball information.
Product name: grinding steel ball.
Diameter of steel ball: Φ 20 mm- Φ 150 mm.
Material grade: 4mm.
Certification: TUV ISO9001,SGS, Germany.
Hardness: 5HRC55-66% breakage rate: < 1%.
Application fields: mines, cement plants, power stations, chemical industry
Grinding steel balls Classification and Chemical Composition
| Name | C | Mn | Si | S | P | Cr |
| SY-01-45# | 0.42-0.48 | 0.50-0.80 | 0.17-0.37 | 0.05max | 0.05max | 0.15max |
Grinding steel balls mechanical propety
| Name | Impact Value AK.J/cm2 | Dropping test(sm) |
Hardness
|
|||||
| Ф25-50(1"-2") | Ф60-90(2.5"-3.5") | Ф100-150(4"-6") | ||||||
| Surface | Core | Surface | Core | Surface | Core | |||
| SY-01-45# | ≥12 | ≥15000 | ≥55 | ≥38 | ≥50 | ≥35 | ≥45 | ≥25 |
Grinding steel balls date
| Nominal Diameter (mm) |
Theoretical Diameter | Weight per ball(KG) | Average Number Of Balls per MT | Diametrical Tolerance(mm) |
| 25 (1") | 26 | 72 | 13,900 | +2.5 -1.0 |
| 30 (1.25") | 31.2 | 125 | 8,000 | |
| 40 (1.5") | 41.6 | 296 | 3,980 | +1.5 -1.0 |
| 50 (2") | 52.0 | 578 | 7,730 | |
| 60 (2.5") | 62.4 | 999 | 1,000 | +3.0 -1.5 |
| 65 | 67.6 | 1.270 | 790 | |
| 70 (2.75") | 72.8 | 1.586 | 630 | |
| 80 (3.25") | 83.2 | 2.367 | 420 | |
| 90 (3.75") | 93.6 | 3.371 | 300 | +4.0 -2.0 |
| 100 (4") | 98.8 | 3.964 | 250 | |
| 120 (5") | 124.8 | 7.989 | 125 | +5.0 -3.0 |
| 150 (6") | 153 | 13.800 | 70 |
Company Profile
Shandong Shengye Grinding Ball Co., Ltd. is located in the beautiful Zhangqiu District of Jinan City. We are a qualified factory which has passed the double certification of SGS and BV, specializing in the production of grinding medium ball steel and alloy steel bar, with an annual output of 100000 tons. More than 95% of the products are exported to more than 30 countries, with customers in Southeast Asia, Africa and Latin America. We have good business relations with famous large mining companies, cement plants, thermal power plants and chemical plants at home and abroad, and have been well received by them.
At present, the company has 10 advanced forging and automatic hot rolling production lines in the world, producing steel balls and wear-resistant steel bars with diameters ranging from 15 mm to 200 mm.
Testing Equipment
We have a first-class laboratory and equipped with advanced testing equipment to ensure the quality:
Spectrometer--The wear resistance of forging steel balls are mainly determined by its chemical composition.
Hardness tester-- Testing the surface hardness of steel balls.
Laser cutting machine-- Cuting the core of steel balls.
Impact tester-- Ball mill with a diameter more than 6m, the larger the impact value, the lower the breaking rate.
Microscope-- Observe the density and structure of steel balls.
Drop tester--Testing the service life of the steel balls.
Packing and Delivery
1. Transpotation
Ocean shipping ( Or Customers designated transportation mode.)
2. Packing Way
a. steel drums (850-930kgs/drum) b. flexible container bags(1ton/bag)
3.Delivery Time
Witnin 15-20 days after received the payment or LC at sight. (Generally it is 5-10 days if the steel balls are in stock. or it is 15-20 days if the steel balls are not in stock, it is according to quantity.)
4. Payment Terms
Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,
balance before shippment.
Our Service
1.Free samples
we could offer free steel balls samples, you only need to pay the freight cost.
2. After-sales service
Go abroad to visit regular customers several times every year;
Attend national exhibitions;
Pay return visit once a week after the steel balls are received, inquire about the usage situation so that we can help to solve possible problems promptly.
3.Sales areas
Our grinding steel balls are exported to over 30 countries and regions including USA, Republic of Korea, Japan, Malaysia, Australia, Canada and South Africa, etc., well and universally received by clients. In order to better serve customers, we have set up the office in Malaysia, Chile, United States and Spain.
Certificate Show
Our grinding steel balls have passed the TUV ISO9001, ISO14001, OHSAS 18001, SGS, BV ect. Certificates
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Audited Supplier 
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