• Cobalt Chrome Alloy Valve Balls Stellite Alloy
  • Cobalt Chrome Alloy Valve Balls Stellite Alloy
  • Cobalt Chrome Alloy Valve Balls Stellite Alloy
Cobalt Chrome Alloy Valve Balls Stellite Alloy

Brand: TNM

Product origin: China

Delivery time: 20-50days

Supply capacity: 3000pcs/ month

Stellite Cobalt Chrome Alloy

Cobalt Chrome Alloy Valve Balls Stellite Alloy

Stellite 20 balls Brief Introduction:

 

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

 

The valve balls are made of Stellite 20 and valve seat are made of stellite 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 stellite seat and ball?

 

Material :

Stellite –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

 

Chemical composition :

 

Grade

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

 

 

API Valve Seat and ball Standard

 

No.

Specifications

Seat Dimensions

OD/ID×H (in)

Weight

(g/pc)

Ball Dimensions

Weight

(g/pc)

1

VII-106

0.793/0.460×0.500

22.81

15.88

18.44

2

VII-125

0.918/0.550×0.500

29.55

19.05

31.84

3

VII-150

1.168/0.670×0.500

49.53

23.83

62.32

4

VII-175

1.388/0.825×0.500

68.13

28.58

107.51

5

VII-200

1.478/0.960×0.500

69.05

31.75

147.40

6

VII-225

1.720/1.060×0.500

100.34

34.93

196.27

7

VII-250

2.010/1.310×0.500

127.04

42.88

363.10

8

VII-375-1

3.072/1.700×0.750

536.94

57.15

859.63

9

VII-375-2

3.072/1.880×0.750

484.12

57.15

859.63

 

 Stellite 20 balls 

Production Process—Powder metallurgy 

Mixing powder – Pressing – sintering – machining


Cobalt Chrome Alloy Balls

 

We guarantee the balls roundness and accuracy, also the tightness of ball and seat.

 

Our service:

1.     Supply stellite parts upon customer drawing and request

2.     Free samples could be provided for testing

3.     Both big quantity and small quantity are acceptable , Order flexible.  


Please contact us for more details now . 

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