Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding
Product Specifications
- model
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Product Highlights
- Wide Size Range: Available in sizes from 20mm to 150mm for various grinding applications.
- High Surface Hardness: Surface hardness reaches up to 65 HRC for superior wear resistance.
- Low Crushing Rate: Crushing rate is less than 1% ensuring long service life.
- Customizable Sizes: Different sizes can be produced according to customer requests.
- Diverse Material Options: Available in C45, 60Mn, 65Mn, 40Cr, 42CrMo, B2, B3, and B6.
- Uniform Hardness Distribution: Ensures consistent performance with impact toughness of 12J/cm2.
- ISO 9001 Certified: Quality management certified for reliable international standards.
- Global Export Experience: Serving over 100 countries with 17 years of industry experience.
Product Attributes
- Customization
- Available
- Material
- 60mn; B2;B3; B4
- Content
- >90%
- Model NO.
- Forged Steel Ball
- Usage
- Construction, Machinery, Grind, Refractory Material
- Processing Type
- Forged
- Size
- 20mm to 150mm
- Color
- Black
- Customized
- Non-Customized
- Product Name
- Forged Steel Ball
- B2 Cr
- 0.2-0.6
- Surface Hardness
- Greater or Equal to 60 HRC
- Core Hardness
- Greater or Equal to 55 HRC
- Packaging Details
- Iron Drum/Ton Bag
- Standard
- ISO9000
- Application 2
- Cement Plant
- Application 3
- Power Station
- Transport
- Sea
- Experience
- 17 Years
- Application3
- Enegy Factory
- Business Type
- Factory
- Transport Package
- Drum/Ton Bag
- Specification
- 20 25 30
- Trademark
- JUNDA
- Origin
- China
- HS Code
- 69091200
- Production Capacity
- 2000tons/Month
- Package Size
- 75.00cm * 75.00cm * 70.00cm
- Package Gross Weight
- 1002.000kg
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 Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding
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Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding -
Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding -
Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding -
Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding -
Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding -
Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding -
Forged Steel Balls for Iron Ore Ball Mill Wear-Resistant and High Density for Heavy Grinding
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Product Description
Update:April 13th, 2026
Introduction of the Forged steel balls
Size: Dia20- 150mm
Material: C45, 60Mn, 65Mn, 40Cr 42 Crmo,B2,B3, B6
Hardness: C45:48-55HRC, 60Mn:57-61HRC,
B2:60-64HRC, B3:62-65HRC, B6:62-65HRC
JUNDA company produces φ20 to φ 150 forged steel balls ,select high quality round steel,low-carbon alloy ,high manganese steel,high carbon and high manganese alloy steel as raw material produced by air hammer forging process.
We select high-quality round steel as raw materials, and adopts advanced equipment, unique heat treatment process and strict quality control system to make our forged steel balls have a better performance in the overall hardness, surface hardness up to 58-65HRC, volume hardness up to 56-64HRC.
The hardness distribution is uniform, the impact toughness value is 12J/cm2,and the crushing rate is far less than 1%. Forged steel ball chemical composition: carbon content in 0.4-0.85, manganese content in 0.5-1.2, chromium content in 0.05-1 2.
We can product different size according to customer's request.
TECHNICAL PARAMETERS OF FORGING STEEL BALL
| Technical parameters of forging steel ball | ||||||||||||
| Inch | Size | T weight | Tolerance(mm) | Material | Surface hardness(HRC) | Volume hardness(HRC) | ||||||
| 3/4" | D20mm | 0.037+/-0.005 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
| 1" | D25mm | 0.072+/-0.01 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
| 11/4" | D30mm | 0.13+/-0.02 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
| 11/2" | D40mm | 0.30+/-0.04 | 2+/-1 | B2 | 62-66 | 62-66 | ||||||
| 2" | D50mm | 0.6+/-0.05 | 2+/-1 | B2 | 62-65 | 61-64 | ||||||
| 21/2" | D60mm | 1.0+/-0.05 | 2+/-1.5 | B2 | 62-65 | 60-62 | ||||||
| 21/2" | D65mm | 1.3+/-0.05 | 2+/-1.5 | B2 | 61-64 | 60-62 | ||||||
| 21/2" | D65mm | 1.3+/-0.05 | 2+/-1.5 | B3 | 61-63 | 60-62 | ||||||
| 3" | D75mm | 2.0+/-0.06 | 3+/-2 | B3 | 61-63 | 60-62 | ||||||
| 3"(Hot rolled) | D80mm | 2.0+/-0.06 | 3+/-2 | B3 | 60-63 | 60-62 | ||||||
| 3"(Forged) | D80mm | 2.1+/-0.06 | 3+/-2 | B3 | 60-62 | 53-57 | ||||||
| 31/2" | D90mm | 3.0+/-0.07 | 3+/-2 | B3 | 60-63 | 59-62 | ||||||
| 4" | D100mm | 4.1+/-0.15 | 3+/-2 | B3 | 60-63 | 59-62 | ||||||
| 4.5" | D115mm | 6.3+/-0.15 | 3+/-2 | B3 | 60-63 | 57-60 | ||||||
| 5" | D125mm | 8.1+/-0.3 | 3+/-2 | B3 | 59-62 | 55-60 | ||||||
| Chemical composition | C% | Si% | Mn% | Cr% | P% | S% | Ni% | |||||
| B2 | 0.72-1.03 | 0.15-0.35 | 0.3-1.2 | 0.2-0.6 | ≤0.035 | ≤0.035 | i≤0.25 | |||||
| B3 | 0.53-0.88 | 1.2-2.00 | 0.50-1.20 | 0.7-1.20 | ≤0.035 | ≤0.035 | i≤0.25 | |||||
Which certifications has our company obtained?
Our operations and products are backed by key international certifications, including ISO 9001 for quality management, CE for the European market, and KOC for South Korea. These credentials are not just badges of compliance but essential enablers of our global reach, supporting our exports to a network of over 100 countries and reinforcing our clients' trust in our professional standards.
Q1:What's the delivery time?
A : 5-10 work days after receiving client's payment
Q2: What's package?
A: wooden box packaging
Q3: Do you have any timely technology supports?
A: we have a professional technology supporting team for your timely services. We prepare the technical documents for you, also
you can contact us by telephone, online chat (whats, skype, phone).
Q4: What's the payment method?
A: T/T, WESTERN UNION, MONEY GRAM,LC...
Q5: How to ensure that I received the machine undamaged?
A: At first , our package is standard for shipping, before packing, we will confirm product undamaged, otherwise, please contact
within 2days. Because we've bought insurance for you, we or shipping company will be responsible!
If any need, please contact us any time!!!
We are well aware that a satisfactory shopping experience is not only dependent on excellent product quality, but also requires thoughtful and reliable after-sales service.
From the moment you chose us, we have embarked on a long-term commitment and protection.No matter what problems you encounter, our after-sales team will provide you with efficient and prompt solutions with a warm and patient attitude. Your satisfaction is our eternal pursuit.
D20mm forging steel ball
D25mm forging steel ball
D30mm forging steel ball
D40mm forging steel ball
D50mm forging steel ball
D65mm forging steel ball
D75mm forging steel ball
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR255938". Items marked "
" are certified.
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Company Profile
JINAN JUNDA INDUSTRIAL TECHNOLOGY was established in 2005. We are a professional manufacturer and exporter of Forged Steel Balls, Cast Steel Balls, Steel Rods, Chrome Steel Balls, Carbon Steel Balls, Stainless Steel Balls, Garnet Sand, Steel Shot, Steel Grit, Bearing Steel Grit, Glass Beads, and other surface treatment abrasives.
Regarding garnet sand, we integrate mining, production, and sales, with adequate reserves. In recent years, our garnet sand production capacity has increased from thousands of tons to tens of thousands of tons. We have built a good reputation in the garnet industry worldwide.
Regarding steel shot, steel grit, and bearing steel grit, our products meet American SAE standards and are widely used in shipbuilding, molding, steel production, automobile manufacturing, container manufacturing, machinery manufacturing, pipeline anti-corrosion, aviation, granite cutting, and other industries.
Regarding glass beads, we can produce different types of road-marking glass beads, sandblasting glass beads, and grinding glass beads according to customers' specific requirements and relevant standards, including European Standards EN 1423 and EN 1424; American Standard AASHTO M247 Types 1 and 2; British Standard BS 6088 Classes A and B; Japanese Standard JIS R3301; And Korean Standard KSL 2521 Nos. 1 and 2.
Our philosophy is to build sustainable growth on a foundation of high quality and excellent customer service. We manufacture our products in accordance with ISO quality standards and provide in-depth application knowledge and professional technical support. Highly efficient logistics are central to our company culture, and JINAN JUNDA INDUSTRIAL strictly controls materials from source to production to ensure quality and consistency. Our products are exported to the USA, Germany, Japan, and more than 90 countries worldwide.
We welcome your inquiries about our current products and opportunities for new applications and cooperation.
About Our Factory & Business Background
- Address
- OUYA DAGUAN Shizhong District, Jinan, Shandong, China
- Terms of Payment
- T/T, LC, Western Union, D/P
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, FAS, DDP
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- Qing Dao
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the advantage of your company?
- Junda experience meets expertise. With 20+ years devoted to the artof crafting premium steel balls, we stand at the forefront of the industry, deliveringunmatched quality and innovation.
- In which countries are your products sold?
- Our global footprint spans continents! From the Americas to Africa and beyond,our products reach Mexico, Canada, Brazil, and nations across Africa like Tanzaniaand Ghana, extending to the dynamic markets of Asia and Australia.
- Are you trading company or manufacturer?
- Proudly, we are a factory, where superior craftsmanship meets industrial prowess,giving birth to productsthat set benchmarks.
- How long is your delivery time?
- Typically, our efficient processes ensure a delivery window of 10-15 days, thoughthis can vary with order volumes to better suit your needs.
- Do you provide samples? Is it free or extra?
- Absolutely! We are pleased to offer samples at no charge, although we requestthat you handle the freight cost.
- What is your terms of payment?
- We offer convenient T/T payment options: 30% upfront and 70% upon the copy of B/L.Alternatively, we accept L/C: a 100% Irrevocable letter of credit at sight, combiningflexibility with security in transactions.
- What materials are your company's wear-resistant steel balls made of, andwhich international standards do they comply with?
- Junda Heavy Industry mainly deals in high-chromium cast balls(Cr15/Cr20/Cr26), low-chromium cast balls, and forged/rolled steel balls. The rawmaterials are sourced from well-known domestic steel mills, with strict control overthe composition of C, Cr, Mn, Si, S/P s 0.1%. The products comply with internationalstandards such as ISO, ASTM, and GB/T 17445, and third-party material certificatescan be provided.
- What is the hardness index of Junda Steel Balls and how is the uniformity ofhardness guaranteed?
- Our company's high-chromium balls have a hardness of HRC58-65, and theforged balls have a hardness of HRC55-62. We adopt a dedicated heat treatmentprocess, ensuring that the hardness difference within the same batch is s 2HRC andthe hardness difference between the surface and core is s 3HRC, guaranteeingconsistent wear resistance and no uneven wear throughout the process.
- Can the size specifications and tolerances of the steel balls meet the overseasrequirements?
- Junda can produce full specifications of wear-resistant steel balls ranging fromo20mm to o150mm. The dimensional tolerance is controlled within +0.3mm to+1mm, and the sphericity/ellipticity is s0.2mm. The fully automatic production lineensures precise dimensions, making them suitable for various imported grindingmills.
- How are export packaging and ocean freight logistics arranged?
- Standardized packaging is adopted, including ton bags, iron drums, andmoisture-proof woven bags. The material, specification, net weight, and furnacebatch number are clearly marked. Anti-rust and moisture-proof treatment is carriedout throughout the process. We support full container load (FCL) or less thancontainer load (LCL) shipment and comply with global marine logistics standards.
- What qualification documents are required for overseas procurement? Canyour company provide them?
- Junda has passed the ISO9001 quality system certification and canprovide a full set of export documents such as CE and SGS test reports, factorycertificates of conformity, batch traceability reports, and customs declaration materials. We support third-party re-inspection by customers.
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Product Groups
- Forged Steel Ball
- Abrasive Blasting Media
- Sandblasting equipment
- Stainless steel ball
- carbon steel ball
- Chrome Steel Ball
- Cast steel ball
- Steel Rod
- Silicon series
- Sandblasting parts(sandblasting nozzle &sandblasting gun)
- Sandblasting Protection Equipment(sandblasting helmet&hood)
- Road marking machine
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