Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›


These forged grinding steel balls measure 4 inches (100 mm) in diameter and are produced from high carbon alloy steel. The balls are manufactured by Shandong Huamin Steel Ball Joint-stock CO,LTD. using controlled forging processes that give a uniform spherical shape and consistent hardness, which is essential for reliable operation in ball mills and SAG mills used in gold and copper mining.
In the mining sector, forged balls are preferred over cast alternatives because they typically achieve hardness levels between 60 and 65 HRC and display higher impact resistance, resulting in longer service life. Typical industry practice calls for a roundness tolerance of ±0.02 mm and a surface roughness around Ra 0.2 µm, ensuring efficient grinding and minimal wear on mill liners. The material composition provides a density of about 7.85 g/cm³, matching standard alloy steel grades used in mineral processing.
Buyers such as mining contractors, ore‑processing plants and equipment integrators select these balls for their ability to maintain stable grinding media loads and reduce downtime. Trade terms generally include flexible minimum order quantities and shipping options like FOB or CIF from major Chinese ports; exact MOQ and incoterms should be confirmed with the supplier. Payment is usually arranged via T/T or other standard international methods, and buyers are advised to request mill test certificates and hardness reports before finalising the order.
| Material | High carbon alloy steel |
| Diameter | 100 mm (4 inches) |
| Hardness | Typical 60‑65 HRC |
| Roundness tolerance | Typical ±0.02 mm |
| Surface roughness | Typical Ra 0.2 µm |
| Density | Typical 7.85 g/cm³ |
| Standard compliance | Typical to ASTM A889 for mining grinding media |
| Packaging | Typical bulk wooden crates with protective liners |
| Typical hardness test method | Rockwell C (HRC) |
| Typical impact resistance | Standard impact toughness for forged grinding media |

Shandong Huamin Steel Ball Joint-stock CO,LTD. is located in Yangjun Village, Guanzhuang, Shandong Province, China. The company is classified as an organic tier supplier with a voyage trust tier, indicating a long‑standing presence in the domestic steel forging market. Their public response metrics show no recorded replies to recent inquiries, so direct communication is required to assess current capacity and lead times.
The firm specialises in the production of forged grinding media for mineral processing, offering both steel balls and related components. Their manufacturing facility employs controlled forging technology that aims to deliver consistent hardness and dimensional accuracy. While the listing does not disclose specific certifications, the company states that its products meet international quality standards; buyers should request the relevant certificates before purchase.
These forged grinding steel balls measuring 4 inches in diameter are engineered for demanding ball mill and SAG mill operations in gold and copper mining. Manufactured by HUAMIN using controlled forging processes, they deliver superior impact resistance and wear life compared to cast alternatives. Ideal for B2B buyers seeking reliable industrial grinding media with consistent hardness and roundness for efficient mineral processing and ore reduction.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Before placing an order, verify the material grade, hardness certification and any applicable mill test reports. Request a sample batch if possible to assess dimensional consistency and surface finish. Confirm that the supplier can meet any specific regulatory requirements for your destination market, such as customs documentation for steel imports.
Discuss logistics early: typical lead times for forged grinding balls from Chinese manufacturers range from 30 to 45 days after order confirmation. Shipping terms are often offered as FOB from ports such as Shanghai or Tianjin, with CIF as an alternative. Payment is usually arranged via T/T, with a possible letter of credit for larger volumes; clarify the exact payment schedule and any advance deposit requirements.
Arrange for third‑party inspection before loading, focusing on hardness, roundness and surface roughness. An independent lab can perform Rockwell hardness testing and dimensional checks according to the agreed tolerances. Ensure the supplier provides all relevant documentation, including the mill test certificate, heat‑treatment record and inspection report, to streamline customs clearance and quality assurance on arrival.
Active buying requirements from importers looking for Similar products

Compare alternatives, find similar products and connect with verified suppliers
When sourcing Forged Grinding Steel Balls 4" For Mining for your business, securing the right balance of quality and cost is essential. Shandong Huamin Steel Ball Joint-stock CO,LTD., a verified supplier based in China, offers this product with key specifications including Forged Steel Grinding Ball, High Chrome Alloy Grade, Carbon Steel with alloying elements (C, Cr, Mo, Mn), and 4 inches (101.6 mm) diameter, tolerance per ISO 3290. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at USD and manage bulk orders with a minimum order quantity (MOQ) of 750 Metric Ton. This product is actively traded under HS Code 7326.11, making it a staple in the Grinding Wheel sector with strong demand from importing countries worldwide.
Importing Forged Grinding Steel Bal requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shandong Huamin Steel Ball Joint-stock CO,LTD. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7326.11 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Forged Grinding Steel Bal has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Grinding Wheel category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Importing Forged Grinding Steel Bal requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7326.11 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Forged Grinding Steel Balls 4" For Mining from Shandong Huamin Steel Ball Joint-stock CO,LTD. is USD on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Shandong Huamin Steel Ball Joint-stock CO,LTD. through EximNext.
The supplier, Shandong Huamin Steel Ball Joint-stock CO,LTD., has set a Minimum Order Quantity (MOQ) of 750 Metric Ton for Forged Grinding Steel Bal. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Forged Grinding Steel Balls 4" For Mining is classified under HS Code 7326.11. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Forged Grinding Steel Bal from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shandong Huamin Steel Ball Joint-stock CO,LTD.. Ensure you have the necessary import licenses for Grinding Wheel products in your destination country.
Yes, Shandong Huamin Steel Ball Joint-stock CO,LTD. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
The key specifications for Forged Grinding Steel Balls 4" For Mining supplied by Shandong Huamin Steel Ball Joint-stock CO,LTD. include Forged Steel Grinding Ball, High Chrome Alloy Grade, Carbon Steel with alloying elements (C, Cr, Mo, Mn), and 4 inches (101.6 mm) diameter, tolerance per ISO 3290. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Shandong Huamin Steel Ball Joint-stock CO,LTD. offers Forged Grinding Steel Bal with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Forged Grinding Steel Bal is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shandong Huamin Steel Ball Joint-stock CO,LTD. through our platform.
Shandong Huamin Steel Ball Joint-stock CO,LTD. maintains international quality certifications. These ensure that the Forged Grinding Steel Bal meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shandong Huamin Steel Ball Joint-stock CO,LTD. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Shandong Huamin Steel Ball Joint-stock CO,LTD..
Discover more products in Grinding Wheel from verified suppliers worldwide.