Product

Cobalt Chrome Alloy Valve Balls

Cobalt Chrome Alloy API Valve Balls are engineered for reliable performance in demanding environments, crucial for oil and gas applications. With advanced R&D and precise manufacturing, we deliver superior-quality valve balls that meet API standards.

  • TNM
  • China
  • 30days
  • 2000pcs/month
  • Information

The valve balls are made of Cobalt Alloy Grade 20, with high hardness and super wear and corrosion resistance. 

What is the Details of our Cobalt Chrome Alloy  ball?

Material :

Cobalt Chrome Alloy

Process :

Powder Metallurgy , it is short for PM 

Hardness:

56-60HRC

Density :

≥8.7 g/cm ³

Size :

10-60 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 :

20,000pcs 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)

Cobalt Alloy 20

2.2-3.0

-

2.0

30-34

3.0

1.0

14-18

Bal.

3.0

≤0.05

≤0.05

≥8.7

56-60

 

API  Standard Data : 

 

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

Production Process—Powder metallurgy 

Cobalt Chrome Alloy


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

 

Our service:

1.     Supply Cobalt Chrome Alloy 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.

 

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