Casting Hot Rolled Forged Steel Grinding Media Bearing for Ball Mill Cement Concrete Factory Price and Cheap TUV, SGS
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Product Highlights
- Customizable Shape: Shape can be customized to meet specific client requirements.
- High Impact Toughness: Impact toughness exceeds 12ak.J/Cm2 for superior durability.
- Low Breakage Rate: Breakage rate is strictly controlled to less than 1%.
- Multi-Grade Steel Options: Available in 60Mn, 65Mn, B2, B3, B4, B6, BU, BL, and BG grades.
- Global Certifications: Certified by SGS, TUV, ISO9001, ISO14001, and ISO45001.
- Large Production Capacity: Annual production capacity reaches 110,000 tons across two plants.
- Comprehensive Quality Control: 100% inspection including visual and function checks on finished products.
- Fast Delivery: Delivery takes 3-8 days for stock items or 10-20 days for custom orders.
Product Attributes
- Customization
- Available
- Content
- >90%
- Usage
- Machinery, Chemical, Grind
- Model NO.
- B2, B3, B4, B6, #45, 60Mn, 65Mn, 50Mn BL, BG, BU
- Color
- Black
- Customized
- Customized
- Which Port
- Qingdao, Shandong Province, China
- Shape
- Ball
- Certification
- SGS, TUV, ISO9001, ISO14001, ISO45001
- Hardness
- 55-66HRC
- Impact Toughness
- >12ak.J/Cm2
- Breakage Rate
- <1%
- Heat Treatment
- Quenching and Tempering
- Transport Package
- Nylon Bags and Steel Drums
- Specification
- 60Mn, 65Mn, 45#, B2, B3, BL, BG, B6, BU
- Trademark
- Jinan ZenTi
- Origin
- China
- HS Code
- 73261100
- Production Capacity
- 90, 000 Tons / Year
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
| General Information | |
| Product Name | Forged Grinding Balls |
| HS Code | 73261100 |
| Size Range | 10-160mm |
| Specification | 45#, 50Mn, 60Mn, 65Mn, B2, B3, B4, B6, BL, BG |
| Surface Hardness | 55-66HRC |
| Impact Value | >12J/cm2 |
| Dropping Test | 10,000-20,000 times |
| Packaging | Bags, Steel drums, Containers |
| Chemical Composition (%) | ||||||
| Steel Specification | C | Mn | Si | Cr | S | P |
| 60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| 65Mn | 0.62-0.72 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| B2 | 0.72-0.85 | 0.70-0.90 | 0.17-0.36 | 0.40-0.60 | ≤0.035 | ≤0.035 |
| B3 | 0.52-0.65 | 0.40-1.00 | 1.33-1.85 | 0.78-1.20 | ≤0.030 | ≤0.030 |
| B4 | 0.65-0.75 | 0.50-0.70 | 1.20-1.40 | 0.85-1.00 | ≤0.025 | ≤0.025 |
| B6 | 0.75-0.90 | 0.80-1.02 | 0.17-0.37 | 0.88-0.98 | ≤0.035 | ≤0.035 |
| BU | 0.95-1.05 | 0.95-1.05 | 0.15-0.35 | 0.45-0.55 | ≤0.035 | ≤0.035 |
| BL | 0.55-0.75 | 0.65-0.85 | 0.15-0.35 | 0.70-1.20 | ≤0.035 | ≤0.035 |
| BG | 0.90-1.05 | 0.35-0.95 | 0.15-0.35 | 1.0-1.70 | ≤0.035 | ≤0.035 |
| Physical Features | ||||
| Steel Specification | Impact Value (J/cm2) | Surface Hardness (HRC) | Core Hardness (HRC) | Diameter (mm) |
| 60Mn | ≥12 | 55-66 | 45-65 | 10-160 |
| 65Mn | ||||
| B2 | ||||
| B3 | ||||
| B4 | ||||
| B6 | ||||
| BU | ||||
| BL | ||||
| BG | ||||

About Us:
Jinan ZenTi Heavy Industry Co., Ltd., a high-tech heavy industry company, was established in 2010 with registered capital of 100 million (RMB). We have two plants, with an annual production capacity of 110,000 tons and more than 150 employees. Our company is a globally engaged forging industry company. In addition, we have participated in many mining exhibitions held in Dubai, Las Vegas, Santiago (Chile), Peru, showcasing our products and technologies. To ensure global product supply and support, we have opened an office in Santiago, Chile, and established multiple distributors worldwide. Our company has occupied the certification of TUV, ISO 9001, ISO 14001 and ISO 45001, and our products have passed the SGS Test.
We are not only a leading manufacturer of fasteners and grinding media, but a technology developer, focusing on R&D investment and industry upgrades.
1.Raw Materials Test→2.Raw Materials Prepare→3.Electric Furnace Heating→4.Forging / Hot Rolling→5.Isothermal Process→6.Quenching→7.Natural Cooling→8.Tempering→9.Products Quality Test→10.Packaging and Storage

We always place the greatest emphasis on product quality to ensure that our customers receive the best possible product experience. That's why we have developed an efficient and integrated risk control system to ensure that all products are of the highest quality and meet all safety standards. We strive to produce only the best products and services, and we keep up to date with the latest technological advances to ensure that our products are of the highest quality. Our risk control system includes rigorous testing throughout the production process, ensuring that all products meet the highest standards of quality before they reach our customers.
We have rich experience in foreign trade, mature docking team, and many enterprises at home and abroad have had cooperation and harvest their praise.
If you are interested in our products, please contact us whenever.

Q1: What is the advantage of your company?
A: We are a professional steel ball manufacturers, which have 15 years of production experience.
We also have a Hi-Tech and capable production line.
Q2. In which countries are your products sold?
A: Our products are exported to over 40 countries and regions including Chile, Guyana, Bolivia, Argentina, USA, Australia, the Republic of Korea, Japan, Indonesia, Malaysia, Mongolia, Canada, and South Africa, etc., well and universally received by clients. In order to better serve customers, we have set up an office in Chile and Mongolia.
Q3: Are you a trading company or manufacturer?
A: We are a manufacturer with two plants.
Q4: How long is your delivery time?
A: Generally it is 3-8 days if the goods are in stock. Or it is 10-20 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 are your terms of payment?
A: Payment<=1,500 USD, 100% in advance. Payment>=1,000 USD, 30% T/T in advance,
Balance before shipment.
If you have another question, pls feel free to contact us as below:
Anthony Cao/Manager or Kenny Li/Director
Jinan ZenTi Heavy Industry Co., Ltd
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR245973". Items marked "" are certified.
Company Profile
Jinan ZenTi Heavy Industries Co., Ltd. Was established in March 2010 with a registered capital of 50 million (RMB), covering an area of 100, 000 square meters. It boasts a team of more than 150 employees, including over 60 experts specialized in technical research and development. We specialize in the production, testing, and sales of grinding media and foundation bolts.
Our company is a globally engaged forging industry company. In addition, we have participated in many mining exhibitions held in Dubai, Las Vegas, Santiago (Chile), Peru, and other locations, showcasing our products and technologies. To better serve our customers, we have opened an office in Santiago, Chile, and established multiple distributors worldwide, ensuring global product supply and support.
Our products range from grinding balls, grinding cylpebs, grinding rods, liners used in mines to building materials such as high strength bolts and foundation bolts. We are equipped with seven production lines that enable us to produce more than 80, 000 tons of products annually. With more than 15 years of experience in heavy industry, our products have been exported to more than 30 countries and have gained high praise and reorders from our customers.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Dayanman East Industrial Park, Jinan, Shandong, China
-
Number of Employees
- 52
-
Registered Capital
- 50,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 5 Tons
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Grinding Steel Ball, Grinding Steel Rod, Grinding Steel Cylpeb, Grinding Steel Cylinder, Foundation Bolt, Forged Grinding Ball, Grinding Media, Hot-Rolled Grinding Ball, Hexagon Bolt, Anchor Bolt
-
Production Lines
- 7
-
Production Machines
- Dropping test machine, Electric Furnace, Quenching Machine, Hot rolling/forging machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2010-04-19
-
Export Year
- 14 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- Yes
FAQ
- What is the advantage of your company?
- We are a professional steel ball manufacturer with 15 years of production experience and a high-tech, capable production line.
- In which countries are your products sold?
- Our products are exported to over 40 countries and regions including Chile, Guyana, Bolivia, Argentina, USA, Australia, Korea, Japan, Indonesia, Malaysia, Mongolia, Canada, and South Africa.
- Are you a trading company or manufacturer?
- We are a manufacturer with two plants.
- How long is your delivery time?
- Generally it is 3-8 days if the goods are in stock. Or it is 10-20 days if the goods are not in stock, depending on quantity.
- Do you provide samples? Is it free or extra?
- Yes, we could offer the sample for free charge but do not pay the cost of freight.
- What are your terms of payment?
- Payment<=1,500 USD, 100% in advance. Payment>=1,000 USD, 30% T/T in advance, Balance before shipment.
Send your message to this supplier
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