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What is Steel Grinding Media and How to Buy Steel Balls

What is Grinding Media?

Steel Grinding Balls at Camasteel

The main products in grinding media are steel balls and grinding rods. At Camasteel, we sell Forged Steel grinding balls and Cast Iron grinding balls, in addition to steel grinding rods. The size of grinding balls can be a diameter between 20mm and 150mm, or 1 inch to 6 inch. The size of grinding rods can come in diameter between 40mm and 120mm. Forged steel grinding balls don’t lose shape or crack easily. They are durable and have great resistance.

What is Grinding Media Used For?

The industries that typically use Grinding Media are the mining and construction industries. Grinding Balls are used in ball mills. They are useful when breaking down and grinding materials such as rocks, cement, and others.

Some markets that use grinding media include:

  • Mineral processing
  • Construction sector
  • Road construction
  • Ore crushing
  • Manufacturing process

How to Determine Suitable Grinding Media

steel grinding rod

Grinding media has recommended characteristics, involving the shape, size, and composition. Steel grinding balls characteristics should include:

Shape – The shape of grinding media is typically a sphere. This form is highly dense and does not chip easily. There are two shapes of grinding media that are most efficient. These include the ball shape and the cylinder rod.

Diameter – The grinding ball should have a smaller diameter, but still large enough to get the best results. It can be more accurate when breaking down other material. The size of forged steel grinding balls will generally range from ¾ inch to 5 inches in diameter. The size of grinding rods will generally be between 1.5 to 4 inch in diameter. Also, the length should be a few inches shorter than the mill length. The size needed for each job may vary.

Composition – The grinding material needs to be able to withhold high grinding methods and not wear or chip quickly. The grinding material should have a greater density than the material that is being ground. The material of the grinding media may vary, as well. Camasteel sells forged steel grinding balls, cast iron grinding ball, and steel grinding rods.

steel grinding ball in process

How to Manufacture Steel Balls?

steel ball manufactured form ball shape

Camasteel uses a forging and stamping method to heat the metal to 1050 degrees Celsius. Then, it can be molded into the sphere shape. Between the forged steel grinding ball and the cast iron grinding ball, forged steel has better mechanical performance. The forged steel grinding ball must use the super wear resistant material to ensure its durability.

When making the steel ball

  1. Heading: short lengths of wire are cut and then it is shaped into the form of a sphere.
  2. Deflashing: the ball rolls between two very heavy plates, typically cast iron plates, and becomes formed.
  3. Soft grinding: this is similar to the deflashing step, but a grinding stone is used to make the more precise form.
  4. Hot treating: the steel balls are put through heat and hardened.
  5. Descaling: removing any undesired residue from the ball.
  6. Hard grinding: this step helps with providing the perfect size and shape for the order.
  7. Finishing: giving the balls a smooth finish and coating to ensure that the product will last long.

Which Countries Manufacture Steel Balls in Bulk?

steel balls in bulk at Camasteel

The main producers of steel ball grinding media are

  • China
  • Japan
  • Belgium
  • India
  • Germany
  • United States
  • United Kingdom

The use and demand for grinding media has increased, especially in developing countries. These countries have been able to create the capacity and expand their productions to produce larger quantities of steel, especially China.

How to transport steel balls?

Camasteel steel ball loading

Before the product is ready to sell, there is a quality inspection test that occurs. This consists of:

  • Dropping test
  • Hardness test
  • Chemical Element Analysis
  • Impact Value Test

These tests ensure that the steel ball will be efficient in the mills.

The product is cleared for shipping, then it is packed in bags and loaded on a truck to be transported to its destination.

Where to Buy Grinding Media?

buy grinding media at Camasteel

You may be able to find grinding media in small quantities in your area. But if you want to buy large quantities of grinding media, it is preferable to import directly from the manufacturers. They can issue certifications and provide cost savings which is better than buying the steel in small quantities locally or from a distributor.

If you require bulk quantities of this steel, you can buy Grinding Media on our website.

Here at Camasteel we have Grinding Media for sale. We export worldwide, so you can contact us for a FREE quotation today via email [email protected] or send a message on WhatsApp for a fast response +86-131-2037-9271.

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