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V11 cobalt base ball

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V11 cobalt base ball

V11 cobalt base ball

On July 25, 2019, we received a project from an Indonesian customer. Customer wants V11 cobalt base alloy valve ball.
This kind of tungsten cobalt carbide ball is widely used in oil drilling, deep-sea drilling pump valve ball, ball seat, which is also one of the most critical parts in the pump. As oil drilling industry in the working environment and conditions more stringent, usually in sand drain, heavy oil Wells, high pressure resistance to drain Wells containing water, all kinds of gas, wax, some high corrosive substance, such as sand, need pump the oil from hundreds or even thousands of meters of formation is extracted, which requires the valve ball and seat should have good sealing, wear-resisting corrosion resistance.


Picture of valve ball:

V11 cobalt base ball


The valve ball required by the customer is 28.58mm, with a hardness of HRA88~89, v11-175-c1 has its unique chemical composition.

Chemical composition of V11-175-C1:

Composition(%) Co Cr W C HRA
V11-175-C1 Base 29-33 11-14 2.0-2.7 88-89


Valve ball matching picture:

V11 cobalt base ball


Eternal Bliss Alloy Casting & Forging Co, Ltd.

Technical Dept.


what’s app: 0086-13093023772


Pub Time : 2019-11-04 10:56:04 >> News list
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Eternal Bliss Alloy Casting & Forging Co.,Ltd.

Contact Person: Mr. John Liu

Tel: 86--13093023772

Fax: 86-510-68792172

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