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API Standard Cobalt Chromium Tungsten Alloy Valve Seats For Oil Well Pump Valve Corrosion Resistance

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    API Standard Cobalt Tungsten Chromium Alloy Valve Seats For Oil Well Pump Valve Corrosion Resistance

  Cobalt Tungsten Chromium 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 Stellite 20 and stellite seat are made of stellite 3 . They are a good team to resist the wear and corrosion issue in oil and gas pimping process .

  

  Details of our Cobalt Chromium Tungsten Alloy Valve Seats  and ball?

  JX-3 equal to the material stellite 3 ( stellite brand belong to Kennametal)

  JX-6 equal to the material stellite 6( stellite brand belong to Kennametal)

  JX-3 equal to the material stellite 3

  JX-6 equal to the material stellite 6

Material :

JX –Grade 3 and 20 

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
 

 

 

Cobalt Chromium Tungsten Alloy Valve Seats Chemical compositions and properties (%)

 

Brand

C

Mn

Si

Cr

Ni

Mo

W

Co

Fe

P

S

Density

(g/cm3)

Hardness

(HRC)

Stellite 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

Stellite 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 Cobalt Chromium Tungsten Alloy Valve Seats 

API Valve Seat Standard

No.

Specifications

Dimensions

OD/ID×H (in)

Weight

(g/pc)

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

 

 

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