Size 20mm-150mm Forged Steel Grinding Ball for Mining
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Product Highlights
- High Hardness & Toughness: Hardness 55-65HRC with impact toughness >12ak.J/Cm2 for durability.
- Wide Size Range: Available in sizes from 20mm to 150mm with precise tolerance control.
- Customizable Options: Product specifications and requirements can be customized for clients.
- Low Breakage Rate: Advanced forging process ensures a breakage rate of less than 1%.
- High Steel Content: Material contains over 90% steel for superior grinding performance.
- Proven Manufacturing: Over 20 years of experience in chemical packing and steel ball production.
Product Attributes
- Customization
- Available
- Material
- Steel
- Content
- >90%
- Model NO.
- NX-FGB
- Usage
- Grind
- Processing Type
- Rolling Type
- Size
- 20-150mm
- Color
- Steel
- Customized
- Customized
- Product Name
- Steel Grinding Ball
- Type
- Hot Rolling
- Microstructure
- M+C
- Breakage Rate
- <1%
- Hardness
- 55-65HRC
- Impact Toughness
- >12ak.J/Cm2
- Transport Package
- Jumbo Bag/ Steel Drum
- Specification
- 20-150mm
- Trademark
- Nanxiang
- Origin
- Pingxiang Jiangxi
- HS Code
- 73261100
- Production Capacity
- 100ton/Month
- Package Size
- 50.00cm * 20.00cm * 20.00cm
- Package Gross Weight
- 2.000kg
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 Size 20mm-150mm Forged Steel Grinding Ball for Mining
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Product Description
Forging Steel Ball
| Material | C | Si | Mn | Cr | HRC | Impact |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.25 | ≥55 | 12 |
| 50Mn | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.25 | ≥56 | 12 |
| 60Mn | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.25 | ≥56 | 15 |
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.00 | ≤0.25 | ≥58 | 15 |
| B6 | 0.75-0.85 | 0.20-0.40 | 0.90-1.00 | 0.85-0.95 | ≥60 | 18 |
| B3 | 0.58-0.65 | 1.20-1.60 | 0.65-0.80 | 0.70-0.90 | ≥60 | 18 |
| B2 | 0.72-0.92 | 0.17-0.37 | 0.70-1.0 | 0.50-0.90 | ≥60 | 18 |
| 40Cr | 0.37-0.45 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | ≥55 | 12 |
| Diamter | 20-25mm | 30-60mm | 70-90mm | 100-140mm | 150mm |
| Tolerance (mm) | ±1 | ±1.5 | ±2 | +2.5, -2 | +3, -2 |
| Roundness tolerance (%) | ≤1% | ≤1% | ≤1.5% | ≤1% | ≤1% |
| Theoretical Ball Weight | Diameter | Weight | Diameter | Weight | |
| 20mm (0.80") | 32.8g | 80mm (3.15") | 2099.2g | ||
| 25mm (1.00") | 64.06g | 85mm (3.35") | 2517.9g | ||
| 30mm (1.25") | 110.7g | 90mm (3.55") | 2988.9g | ||
| 35mm (1.35") | 175.7g | 100mm (4.00") | 4100g | ||
| 40mm (1.50") | 262.4g | 110mm (4.35") | 5457.1g | ||
| 50mm (2.00") | 512.5g | 120mm (4.75") | 7084.8g | ||
| 60mm (2.40") | 885.6g | 125mm (5.00") | 8007.81g | ||
| 65mm (2.50") | 1125.9g | 130mm (5.20") | 9007.7g | ||
| 70mm (2.75") | 1406.3g | 140mm (5.50") | 11250.4g | ||
| 75mm (3.00") | 1729.6g | 150mm (6.00") | 13837.5g | ||



Raw material→furnace heating→cutting and forging→enter into rolling ball machine→Isothermal system→quenching system→steel ball sweltering self tempering device→finished product steel ball
Testing
1.Bag:diameter17-150mm 1000kg/bag
2.Drum:diameter17-25mm 1000kg/drum
diameter30-50mm 950kg/drum
diameter60-70mm 900kg/drum
diameter80-90mm 850kg/drum
diameter100-150mm 800kg/drum
20 feet container:25tons
Pingxiang Nanxiang Chemical Packing Co., Ltd was established in 2003, It is a professional manufacturer and exporter that has more than 20 years experience in Chemical Packing. We are located in West Section Hi-Tech Industry Park Pingxiang City, Jiangxi Province, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our main products are molecular sieve, activated alumina, ceramic ball, honeycomb ceramics, random and structured chemical packing in ceramic, plastic and metal material, can be used in all types of petrochemical chemical processes and environmental application.
Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. Besides, we have received ISO9001:2008 certificate, SGS report, and credible merchant of ******. As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching seven Continents.
Since its foundation, our company keeps living up to the belief of "honest selling ,best quality ,people-orientation and benefits to customers" We are doing everything to offer our customers with best services and best products .We promise that we will be responsible all the way to the end once our services begin.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with you, also warmly welcome to visit our factory.
1.Who are we?
We located in Pingxiang City, known as "Hometown of Chemical Packing", established in 2003, have over 10 years export experience, there are 50-80 workers in our company. Products sell to Domestic Market (30%). Southeast Asia (15%), Mid East (10%), Europe (20%), South America (5.0%), North America (15%), Africa (5.0%).
2.How can we guarantee quality?
We have QC during production, and after product finished Samples can provide before order Inspection can be done before shipment if needed
3.What can you buy from us?
Plastic,ceramic,metal random and Structured tower packing, Ceramic Ball, Molecular Sieve, Silica Gel, Various kinds of ceramic bio ball for water treatment
4. What payment term can we do?
We accept payment type like T/T, L/C, PayPal, MoneyGram, Western Union etc.
5. What services can we provide?
Accept customized according to your requirements.
Accept Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU,Express Delivery.
Accept Payment Currency:USD,EUR;RMB
No strict require on the MOQ, accept small order
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2391124". Items marked "" are certified.
Company Profile
Pingxiang Nanxiang Chemical Packing Co., Ltd was established in 2003, It is a professional manufacturer and exporter that has more than 20 years experience in Chemical Packing. We are located in West Section Hi-Tech Industry Park Pingxiang City, Jiangxi Province, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our main products are molecular sieve, activated alumina, ceramic ball, honeycomb ceramics, random and structured chemical packing in ceramic, plastic and metal material, can be used in all types of petrochemical chemical processes and environmental application.
Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. Besides, we have received ISO9001: 2008 certificate, SGS report, and credible merchant of ******. As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching seven Continents.
Since its foundation, our company keeps living up to the belief of "honest selling, best quality, people-orientation and benefits to customers" We are doing everything to offer our customers with best services and best products. We promise that we will be responsible all the way to the end once our services begin.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with you, also warmly welcome to visit our factory.
About Our Factory & Business Background
- Address
- West Section, Hi-Tech Industrial Park, Pingxiang, Jiangxi, China
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2012-04-08
FAQ
- What is the hardness and impact toughness of the steel balls?
- The hardness ranges from 55-65HRC, and the impact toughness is greater than 12ak.J/Cm2.
- What sizes are available for the forged steel grinding balls?
- Sizes range from 20mm to 150mm, including specific options like 20-25mm, 30-60mm, 70-90mm, 100-140mm, and 150mm.
- Can the product be customized according to specific requirements?
- Yes, we accept customization according to your specific requirements.
- What is the minimum order quantity (MOQ) policy?
- There is no strict requirement on the MOQ, and we accept small orders.
- What payment terms are accepted?
- We accept T/T, L/C, PayPal, MoneyGram, Western Union, and currencies like USD, EUR, and RMB.
- How is quality guaranteed during production?
- We have quality control during production, provide samples before the order, and can conduct inspections before shipment if needed.
- What is the breakage rate of the steel balls?
- The breakage rate is less than 1% due to our advanced hot rolling and forging process.
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