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Product Name | High Hardness Carbide Ball Cemented Carbide Ball for Bearing |
Material Specification | Typical Material composition is 5~8% Cobalt (Co) 92~95% Tungsten Carbide (WC) But other compositions are available with cobalt content up to 15% . Hardness reduces and toughness increases with increasing cobalt content. |
Size | Tungsten carbide pen ball range in size from 0.4mm to 2.0mm |
Tolerance | Sintered as blank, polished or grinding to ABMA grade tolerance, G5, G10, G16, G100 etc. Also grinding to special request. |
Grade | A variety of grades that provide exceptional wear and impact resistance grades for your job. K10/K20/K30 etc. |
Application | Valves, Pumps, Ball Screws, Measurement Standards, Gauging, Wear Parts. Balls from this material are also used for ballizing and ball pens. The tungsten carbide balls are used by the writing instrument industry in oil-based, water-based, gel-ink ball point pens and rolling ball pens. |

Tungsten carbide balls can also be brazed onto a stem or shank to be used for valves and calibration.

The balls are made from hard-wearing tungsten carbide and are available in different diameters like 12, 19, 25 and 30mm etc.
Grade Information for carbide ball

Tungsten Carbide balls are manufactured in two standard material grades of C-1 and C-2.
C-1, with better shock resistance than C-2, this grade is typically used as a mining grade where toughness and abrasion resistance are also important. It has also proven useful in bearing applications.
C-2 affords higher wear resistance and toughness which make this grade an excellent general purpose grade for use in pumps and valves.

Our tungsten carbide ball supplied in fully sintered with a band around the diameter of one axis and ground or polished conditions.


We not only produce the standard types, but also the carbide parts based on your designs. We have rich experience on this and a big part of our product is from our clients' designs. We can provide the technical support, like how to select the right grade of carbide to match your using purpose, we will make it very easy and simple to do business with us.

Zhuzhou Meilidi Industrial Co., Ltd was founded in 2003 with registered capital of 8 million RMB. Our company covering an area of 32,292 sq.ft, located in the Auto Parts Industrial Park of Zhuzhou city.
Products of Meilidi are applied in many different fields, including construction, mining, metal machining, wood working, shipbuilding, automobiles, locomotive, aviation, etc.
The goal of Meilidi people is to make our clients to do business with us in a simple and easy way, to save the clients' time,cost and energy. We provide professional service and all product from us will be in good and stable quality.
Meilidi people strictly complying with the principles of "honest, quality first" and "create the value for clients".
Our company has passed ISO9001 (Quality Management System, QMS of 2008).
We expect long term relationship with you!



1. Good and stable quality based on our strict quality control system.
2. Fast delivery based on our high production capability.
3. Technical support based on our professional technical team.
4. Simply and easy to do business, to save your time, money and energy.

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