High Precision Cemented Carbide Choke Beans Choke Stem with Braze Craft Process

• Media: Oil
• Temperature: High Temperature
• Material: Ss40 Steel + Tungsten Carbide
• Connection Form: Thread
• Structure: Cylinder
• Pressure: High Pressure
• Standard: Customized
• Application: Industrial Usage
• Features: Wear-Resisting Long Life
• Steel Grade: High Quality Steel
• Performance: The Ultra-High Hardness and Strength
• Service: Customize ODM OEM
• Key Word: Choke Stem and Seat
• Industry Applied: Oil & Gas Industry
• Process: Qpq Treatment
• Transport Package: Standard Package / Customize Packing
• Trademark: Aseeder
• Origin: China
• HS Code: 848190
• Production Capacity: 5000 PCS Per Month

Product Description

 As the most common parts used in the positive choke valve to control the flow,                      Aseeder provided Choke bean and Choke Stem has features as below:

         1,  Same as Cameron type H2 big john choke bean, SS410 Stainless Steel lined with Tungsten                          Carbide (C10 or C25) , Highly efficient anti-corrosive and abrasive wear.
           2, Specific diameter: Graduations of 1/64-132 inch, can be as large as 3 inches.
           3, QPQ treatment :  surface hardness Property much improved.
           4, New braze craft applied to keep more steady connection, see the diagram:




 Product Parameters:

TYPE	Dimension (mm)					Material Recommended
	D	d1	d	L	α°
Valve Core	52-80	40-70	10-40	75-120	10-45	Tungsten+Cobalt
TYPE	Dimension (mm)				Material Recommended
	D		d	L
Valve Seat	75-100		55-70	20-80	Tungsten+Cobalt

Choke stem and seat are the key parts for ajustable choke valves in wellhead equipment . Assembled with tungsten carbide tips and SS410 body .



 

 Tungsten Carbide Materials Grade As Below:

Aseeder Grade	Co (Wt %)	Density (g/cm3)	Hardness (HRA)	TRS (≥N/mm²)
ZY11-C	9.0-11.0	14.33-14.53	88.6-90.2	2800
ZY15-C	15.5-16.0	13.84-14.04	85.6-87.2	2800
ZY15X	14.7-15.3	13.85-14.15	≥89	3000
ZY20	18.7-19.1	13.55-13.75	≥83.8	2800
ZY06X	5.5-6.5	14.80-15.05	91.5-93.5	2800
ZY08	7.5-8.5	14.65-14.85	≥89.5	2500
ZY09	8.5-9.5	14.50-14.70	≥89	2800
ZY10X	9.5-10.5	14.30-14.60	90.5-92.5	3000

 About SEED:  


 15 Years served world fortune 500 company in Oil & Gas Field.
 Dedicated to provding omni-directional sotuion for harsh working condition for Oil & Gas industry.
 Capable of offering OEM, ODM in machinery process, Mould design, Surface engineering, etc. 

Product Categories
Chokes and valves trims	Pumps seal rings	cutters MWD parts	Drill bit nozzles, inserts
downhole tool components	PDC thrust bearings	Downhole flow control components	Labyrinth product series
TC bearings	Innovative hardfacing solutions	Artificial lift pumps components	Super hard product serie

Machining Facilities: 



The products and technologies from Seed (Aseeder) have been widely applied in the fields of oil & gas, chemical engineering, subsea, nuclear power and aerospace industries. Mainly used in harsh operating conditions include severe abrasion, erosion, corrosion, high temperature, high pressure and strong impact.  Seed is the leading export enterprise in China of wear-resistant, cemented carbide products and the related high-precision machining techniques.

Welcome freely contact us for business negotiation.