carbide valve seat
carbide seat
tungsten carbide valve seat
carbide valve seat
carbide seat
tungsten carbide valve seat

Tungsten Carbide Valve Seat

  1. Tungsten carbide valve seats are used in various specifications and configurations and can be used under abrasive, corrosive, and aggressive conditions.
  2. For sealing of valves of oil pumps in the petroleum industry's sand containing wells, viscous oil wells, sea oil wells, high-pressure sulfur resistant oil wells, compatible tungsten carbide valve seats, etc.
  3. Various grades of tungsten carbide valve seats can be supplied according to the customer's drawings.
  4. The surface finish, tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry.

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Advantages Of Using Tungsten Carbide Valve Seat
As the main material of carbide seat, tungsten carbide has unique properties: long working time, corrosion resistance, and wear resistance. Also, the carbide valve seat can withstand high pressure. It can be widely used for most passenger vehicles, light and heavy-duty trucks, diesel engines and industrial engines. We provide carbide seat, superior quality with advanced equipment and perfect workmanship.

Outstanding Features Of Carbide Valve Seat
1.Corrosion resistance and wear resistance

2.Longer life-time

3.High pressure

4.High precision

5.Excellent endurance to high temperature


carbide seat

Mold Parameter Diagram

parameter diagram of carbide valve seat

Carbide Seat Dimension (mm)

D

d

H

19.48

11.68

12.7

22.66

13.97

12.7

28.22

17.02

12.7

33.81

20.96

12.7

36.09

24.38

12.7

41.43

26.92

12.7

48.79

33.27

12.7

74.93

43.18

19.05


Grade And Application For Valve Seat

Grade Co (wt%) Density (g/cm3) Hardness(HRA) TRS (≥N/mm2) Application
XC100 5.8-6.2 14.6-15.0 91.5-92.5 2000 Wear-resistant
XC101 5.8-6.2 14.6-15.0 91.5-92.5 2500
XC200 7.8-8.2 14.5-14.9 91.0-92.0 2100
XC201 7.8-8.2 13.5-14.9 91.0-92.0 2800
XC300 9.8-10.3 14.2-14.6 90.5-91.5 2600
XC301 9.8-10.3 14.2-14.6 90.5-91.5 3200
Grade Ni (wt%) Density (g/cm3) Hardness (HRA) TRS (≥N/mm2) Application
XN100 6.5-7.5 14.5-14.8 88.5-91.0 1800 Corrosion-resistant
XN101 6.5-7.5 14.5-14.8 88.5-91.0 2200
XN300 10.0-11.0 14.2-14.6 86.5-89.5 2100
XN301 10.0-11.0 14.2-14.6 86.5-89.5 2400


Grade List

 

Chinese Grade

 

Equal to ISO Category Number

Chemical Composition

Physical Mechanical Properties

WC

Co

Density

Bend Strength

Hardness

%

%

G/Cm3

N/mm2

HRA

YG3

K01

96.5-97

3

14.9-15.3

≥1180

≥91.0

YG6X

K10

93.5

6

14.8-15.1

≥1420

≥92

YG6

K20

94

6

14.7-15.1

≥1600

≥91

YG8

K20-K30

92

8

14.5-14.9

≥1600

≥90

YG10

K40

90

10

14.3-14.7

≥1900

≥89

YG10X

K40

89

10

14.3-14.7

≥2200

≥89.5

YG15

K30

85

15

13.9-14.2

≥2100

≥87

YG20

K30

80

20

13.4-13.7

≥2500

≥85.5

YG20C

K40

80

20

13.4-13.7

≥2200

≥85.5

YG30

G60

70

30

12.8

≥2750

≥82


Production Process

production process of carbide valve seat

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