Reliable Supplier of Forged Steel Grinding Balls (20mm-150mm) in Multiple Materials
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Product Highlights
- Customized Hardness: Hardness ranges from 55-65HRC based on specific requirements.
- Low Breakage Rate: Breakage rate is strictly controlled below 1% for durability.
- High Impact Toughness: Impact toughness exceeds 12ak.J/Cm2 for superior performance.
- Large Production Capacity: Annual output reaches up to 100,000 tons of grinding balls.
- Multiple Material Options: Available in various steel grades including 45#, 42CrMo, and 65MN.
- Wide Size Range: Sizes available from 20mm to 150mm with precise tolerances.
- ISO Certified Quality: Certified with ISO9001, ISO45001, and ISO14001 standards.
- Fast Delivery: Delivery completed within 15-20 days after payment confirmation.
Product Attributes
- Customization
- Available
- Material
- Steel
- Content
- >90%
- Model NO.
- 20mm-150mm
- Usage
- Construction, Machinery, Chemical, Grind, Refractory Material, Mine, Gold Mine,Copper Mine,Ball Mill,Rod Mill,Pow
- Processing Type
- Forged, Hot Rolling, Casting
- Size
- 15-150mm
- Color
- Black
- Customized
- Customized
- Hardness
- 55-65HRC
- Impact Toughness
- >12ak.J/Cm2
- Breakage Rate
- <1%
- Loss Roundness Rate
- <1%
- Transport Package
- Nylon Bags and Steel Drums
- Specification
- 20mm-150mm
- Trademark
- ShangDong JinChi
- Origin
- Jinan, Shandong Province
- HS Code
- 73261100
- Production Capacity
- 100000
- Package Size
- 68.00cm * 68.00cm * 70.00cm
- Package Gross Weight
- 1000.000kg
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.
Product Images of Reliable Supplier of Forged Steel Grinding Balls (20mm-150mm) in Multiple Materials
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Product Description
Shandong Jinchi Heavy Industry Co., Ltd. utilizes the latest production technology to manufacture forged steel balls ranging from 20-150mm. Our products are characterized by uniform hardness, no breakage, excellent wear resistance, high impact value, and high mill efficiency. The annual production capacity reaches up to 100,000 tons.

| Materials | C% | Si% | Mn% | P% | S% | Cr% |
| B2 | 0.70-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.4-0.6 |
| B2-1 | 0.55-0.70 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 |
| High Carbon B2 | 0.85-1.10 | 0.15-0.45 | 0.40-1.20 | ≤0.035 | ≤0.035 | 0.20-1.10 |
| B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.25max |
| B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 |
| B6 | 0.75-0.90 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 |
| B6-1 | 0.82-0.90 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 |
| BU | 0.95-1.05 | 0.15-0.35 | 0.95-1.05 | ≤0.025 | ≤0.025 | 0.45-0.55 |
| 1090 | 0.90-1.10 | 0.17-0.37 | 0.60-0.90 | ≤0.025 | ≤0.025 | ≤0.025 |
| 42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 |
| 40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 |
| 65MN | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 |
| 60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| 50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) | |||
| Φ20 | +2, -1 | >60HRC | ≥12 | |||
| Φ25 | ||||||
| Φ30 | ||||||
| Φ40 | ||||||
| Φ50 | ||||||
| Φ60 | +3, -2 | |||||
| Φ70 | ||||||
| Φ80 | ||||||
| Φ90 | ||||||
| Φ100 | +4, -2 | |||||
| Φ110 | ||||||
| Φ120 | >58HRC | |||||
| Φ130 | ||||||
| Φ140 | +4, -3 | >55HRC | ||||
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: Within 15-20 days after received the payment or LC at sight. 
Jinchi Heavy Industry Joint-stock Co., Ltd (formerly Jinan Jinchi Steel Ball Co., Ltd) is a professional manufacturer of forged products. The company's main products include grinding balls, grinding rods, grinding segments, mill liners, steel structures, and mining accessories. All product specifications meet international standards, with an annual production capacity exceeding 100,000 tons.
The company boasts four major advantages: high-quality raw materials, advanced fully automated production lines, unique heat treatment technology, and a strict quality control system. These ensure that the products have stable impact performance, high wear resistance, and high grinding efficiency.
The company has an independent laboratory equipped with advanced and precise testing equipment to ensure that each step of the production process complies with quality standards. Additionally, the company has been certified with ISO9001:2015 Quality Management System, ISO45001:2018 Occupational Health and Safety Management System, and ISO14001:2015 Environmental Management System. The company's clients are from all over the world, including Australia, South Africa, Ghana, South Korea, Canada, and the USA. With a branch office in Australia, the company has the exclusive right to handle import and export business, striving to provide high-quality products to clients. Moreover, the company offers a reliable service system and competitive product prices, earning a long-term reputation.
Shandong Jinchi Heavy Industry Joint-stock Co., Ltd looks forward to cooperating with you to create a better future!
FOUR MAJOR ADVANTAGES STRONGER AND MORE WEARABLE
1.Customized Raw Materials
2.Advanced Full-automatic Production Line
3.Unique Heat Treatment technology
4.Rigorous Quality Control System
Q1: What is the advantage of your company?
A: We are a professional steel ball manufacturers, which have 28 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 40 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 15-20 days.
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.
About the Supplier
Company Profile
SHANDONG JINCHI HEAVY INDUSTRY JOINT-STOCK Co., Ltd is a professional manufacturer of forging and casting products. The main products of our company are GRINDING MEDIA BALLS, GRINDING RODS, CYLPEBS, MILL LINERS AND STEEL FLANGES, with specifications all reaching international standards and annual production capacity is over 100, 000 tons.
High-quality raw materials, advanced full-automatic production line, unique heat treatment technology and strict quality control system, these four major advantages make sure our products have stable impact performance, high wear resistance and high combined efficiency of grinding mill.
The company has an independent laboratory, the advanced and accurate lab equipment, to ensure that each step of the production process is performed in accordance with the quality standards. Moreover, our company has been accredited with ISO9001 Quality Certification, OHSAS18001 Occupational health and safety certification and ISO14001 environmental management system certification. Our clients are from all over the world, such as Australia, South Africa, Ghana, Korea, Canada, USA etc. With two branch offices in Peru and Australia. The company has sole right to handle import and export business, has been striving to provide quality products for clients. In addition, the company also provides reliable service system with favorable product prices. All these gains long term reputation for the company.
SHANDONG JINCHI HEAVY INDUSTRY JOINT-STOCK Co., Ltd is looking forward to cooperating with you to create a better future!
About Our Factory & Business Background
- Address
- Puji, Zhangqiu, Jinan, Shandong, China
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- qingdao tianjin
Our Industry Experience & Global Business Record
- Export Year
- 2006-07-07
FAQ
- What is the advantage of your company?
- We are a professional steel ball manufacturers, which have 28 years of production experience. We also have Hi-Tech and capable production line.
- In which countries are your products sold?
- Our products are exported to over 40 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.
- Are you trading company or manufacturer?
- We are factory.
- How long is your delivery time?
- Generally it is 15-20 days.
- 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 is your terms of payment?
- Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, Balance before shippment.
Send your message to this supplier
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