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Shenyang Top New Material Co.,Ltd

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API Standard Cobalt Chrome Alloy Ball Valve Seats For Oil Well Pump

China API Standard Cobalt Chrome Alloy Ball Valve Seats For Oil Well Pump supplier
API Standard Cobalt Chrome Alloy Ball Valve Seats For Oil Well Pump supplier API Standard Cobalt Chrome Alloy Ball Valve Seats For Oil Well Pump supplier API Standard Cobalt Chrome Alloy Ball Valve Seats For Oil Well Pump supplier

Large Image :  API Standard Cobalt Chrome Alloy Ball Valve Seats For Oil Well Pump

Product Details:

Place of Origin: Liaoning,Shenyang
Brand Name: SYTOP
Certification: ISO9001
Model Number: TP006

Payment & Shipping Terms:

Minimum Order Quantity: 20pcs
Price: USD 5-50/PC
Packaging Details: foam sheet and wooden case or export pallet
Delivery Time: 20-35 working days
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 4000PCS per month
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Detailed Product Description
Material: Cobalt Chrome Alloy 3 Seat And Cobalt Chrome Alloy 20 Balls Properties: Wear And Corrosion Resistance
Application: Oil And Gas Industry Valve Pump Hardness: Cobalt Chrome Alloy 20: 53-59HRC Cobalt Chrome Alloy 3: 51-55HRC
Density :: 8.6-8.8g/cm3 Process: Powder Metallurgy
Free Sample: Available Color: Grey And Silver
Specification: API Standard

Cobalt Chrome Alloy valve ball and seat are very important parts of oil-well pump , they always show up together and cooperate very good , no better material can replace them now .


The valve balls are made of Cobalt Chrome Alloy 20 and Cobalt Chrome Alloy seat are made of Cobalt Chrome Alloy 3 . They are a good team to resist the wear and corrosion issue in oil and gas pimping process .



What is the Details of our Cobalt Chrome Alloy​ seat and ball?


Material : Cobalt Chrome Alloy
Process : Powder Metallurgy , it is short for PM 
Hardness: 53-59HRC
Density : 8.6-8.8 g/cm ³
Size :

Diameter 11-60 mm 


Properties : Wear and corrosion resistance, high temperature resistance
Application : Oil well pump components ,  wear and corrosion resistance parts
Instructions : Drawing made upon cutomers request
Usage : one balls with one valve 
Tolerance control : turning or grinding surface , tolerance upon drawing
Production lead time Samples 10 days , normal order 30 days
Production capacity : 40,000pcs one month.
Package : carton or wooden case , pallet for export



Chemical compositions and properties (%)


Brand C Mn Si Cr Ni Mo W Co Fe P S





ST 3 2.0-2.7 1.0 1.0 29-33 3.0   11-14 Bal. 3.0 ≤0.03 ≤0.03 8.55 51-55
ST 20 2.2-3.0   2.0 30-34 3.0 1.0 14-18 Bal. 3.0 ≤0.05 ≤0.05 8.65 53-59



Dimensions of our valve seats


API Valve Seat Standard

No. Specifications


OD/ID×H (in)



1 VII-106 0.793/0.460×0.500 22.81
2 VII-125 0.918/0.550×0.500 29.55
3 VII-150 1.168/0.670×0.500 49.53
4 VII-175 1.388/0.825×0.500 68.13
5 VII-200 1.478/0.960×0.500 69.05
6 VII-225 1.720/1.060×0.500 100.34
7 VII-250 2.010/1.310×0.500 127.04
8 VII-375-1 3.072/1.700×0.750 536.94
9 VII-375-2 3.072/1.880×0.750 484.12



Note: The unit weight is only for reference. The actual weight might have some variations.




 Advantages of our valve seat


1. High temperature resistance

The strength keeps stable up to 800℃ and it can even momentarily used at 1200℃.


2. Wear resistance

Due mainly to the unique inherent characteristics of the hard carbide phase dispersed in a

CoCr alloy matrix, it has exceptional wear and galling resistance.


3. Corrosion resistance

This exellent and lovely property allows this kind of material parts to be used in oil&gas, slurry, acid liquid and any other mediums.


4. Production process

Powder metallurgy pocess, it has better strength than casting parts, better granule structure and avoiding the troubles caused by casting defects. 








1: Are you a manufacturer or a trading company?

A1: We are the manufacturer located in the north of China with 15 years producing experience and 10 years exporting experience.


Q2: What's the material of your valve seats?

A2: It's the CoCrW alloy, which is usually called Cobalt Chrome Alloy.


Q3: What's the Cobalt Chrome Alloy?

A3: It is a range of cobalt-chromium alloys designed for wear resistance, heat resistance and corrosion resistance.


Q4: What's the lead time of valve seats?

A4: 15-30 days depending on the order quantity.


Q5: What's the tolerance and surface finish we can control?

A5: As your demand.


Q6: How do we deliver the seats?

A6: We are the VIP customer of DHL express, having good discounts.


Q7: MOQ?

A7: 5pcs


Q8: Why I choose your company?

A8: We are professional. We are reliable. We are easy communication.



Contact Details
Shenyang Top New Material Co.,Ltd

Contact Person: Elle

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