Chrome Steel balls combine a very high density with very high hardness. Our chrome steel balls have excellent surface quality, high hardness and excellent wear properties, as a result of through hardening.
1. Available size: Φ17mm - Φ130mm
2. Grade: ZQCr28, ZQCr17, ZQCr10, ZQCr1
3. Hardness: HRC55-66
4. Certification: TUV ISO9001, SGS
Application Areas
· Cement Plants · Mines( Mineral processing Plants ) · Power stations · Chemical Industries
Grinding rod Benefits
· Even hardness
· Unbreakable
· Grinding resistant
· High impact value
· High combined efficiency of grinding mill
Casting grinding balls classification and Chemical Composition
| Name | C | Si | Mn | Cr | S | P | Mo | |
| High-Cr ball/Cylpebs | ZQCr28 | 2.0-3.5 | ≤1.0 | ≤1.5 | 28-30 | ≤0.08 | ≤0.06 | ≤1.0 |
ZQCr17 | 2.0-3.5 | ≤1.0 | ≤1.5 | 17-18 | ≤0.08 | ≤0.06 | ≤1.0 | |
ZQCr10 | 2.0-3.5 | ≤1.0 | ≤1.5 | 10-12 | ≤0.08 | ≤0.06 | ≤1.0 | |
| Low-Cr-ball/Cylpebs | ZQCr1 | 2.0-3.5 | ≤1.0 | ≤1.5 | 1-3 | ≤0.08 | ≤0.06 | ≤1.0 |
Casting grinding balls Mechanical Propety
| Name | Hardness(HRC) /Heat treatment | Hardness(HRC) /Cast | Impact Value AK.J/cm2 | Microstructure | Wear Rate (g/t cement) | Breakage rate(%) | |
| High-Cr-ball/Cylpebs | ZQCr28 | 55-65 | ≥50 | ≥4.0 | M+C | ≤25 | ≤0.5 |
ZQCr17 | 60-65 | ≥50 | ≥4.0 | M+C | ≤25 | ≤0.5 | |
ZQCr10 | 60-66 | ≥50 | ≥4.0 | M+C | ≤30 | ≤0.5 | |
| Low-Cr-ball/Cylpebs | ZQCr1 | ≥45 | ≥4.0 | P+C | ≤1.0 | ||
About Us
Our company specializes in the production of grinding steel ball for ball mill. Staff are trained and selected by strict overseas technology . The quality of products is consistent and the specifications are complete. The annual output of diameter DIA 20MM-DIA 150MM grinding steel ball is 100000 tons.
Due to the application of internationally advanced technology and manufacture experience ,our grindingsteel balls have the advantages of rubbing endurance, crashing tolerance and roundness persistence ,compared to other products in this field. We record the data for our products, follow up customers and drop in services at calling to solve customers' uncertainties.
Quality control
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Our company has a first-class laboratory, and equipped with advanced testing equipment, such as spectrometer, hardness tester, microscope, drop tester, impact tester, laser cutting machine, etc.,to ensure that our products from raw material into the factory to the prduction process to the shipment of every link quality control assurance and traceability.
Certifications
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Our company's products have passed the German TUV ISO9001 quality system certification, ISO14001 environmental management system certification, OHSAS 18001 occupational health and safety management system certification, Safety Production Standardization Certificate issued by the Administration State of Work Safety.
Packing Way
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1. Ocean shipping
2. Customers designated transportation mode.
3. Packing Details : a. steel drums (850-930kgs/drum) b. flexible container bags(1ton/bag)
4. Delivery Details : Witnin 15-20 days after received the payment or LC at sight.
After-service:
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2. Pay a return visit once a week.
3. When a fault occurs we will deal with it for the first time and resolve problem within 1-2 working days.
4. If you have any question, please contact me freely. We will give you a reply in the first time.
A: We are a professional steel ball manufacturers, which have 10 years of production experience.
We also have Hi-Tech and capable production line.
Q2. In which countries are your products sold?
A: Our products 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.
Q3: Are you trading company or manufacturer ?
A: We are factory.
Q4: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.
Q5: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q6: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,
balance before shippment.
If you have another question, pls feel free to contact us as below:
Ina / MANAGER
SHANDONG SHENGYE GRINDING BALL CO.,LTD