China Stellite 12 Valve Balls Wear Corrosion Resistant Cobalt Chrome Tungsten Alloy Carbide Ball

1. Product Name: Valve Balls and Seats

2.Material Grade: API V11-225

3.Size: Balls φ25.4mm,V11-225 Seat

4.Hardness: G100 HRC 52-60

5.Process: Cast Process

6.Standard:

Type

Fluid, mm2

Dw, mm

D, mm

d mm

H, mm

V11-106

107

15.8750

20.142

11.68

12.70

V11-125

153

19.0500

23.317

13.97

12.70

V11-150

227

23.8125

29.667

17.02

12.70

V11-175

345

28.5750

35.255

20.96

12.70

V11-225

569

34.9250

43.688

26.92

12.70

V11-250

869

42.8625

51.054

33.27

12.70

V11-375

1623

57.1500

78.029

45.47

19,05

7.Chemical Composition:

C

Cr

Si

W

Fe

Mo

Ni

Mn

Co

Hardness

Stellite 1

2.50

29.50

1.20

12.50

3.00

1.00

3.00

1.00

Bal

53.0

Stellite 3

2.40

31.00

1.00

12.50

3.00

-

3.00

1.00

Bal

54.0

Stellite 4

0.90

32.00

1.00

13.50

1.00

0.50

0.50

0.50

Bal

48.0

Stellite 6

1.20

29.00

1.20

4.50

3.00

1.00

3.00

1.00

Bal

43.0

Stellite 12

1.45

29.00

2.00

8.50

3.00

1.00

3.00

1.00

Bal

47.0

Stellite 20

2.45

32.50

1.00

17.00

3.00

1.00

3.00

0.50

Bal

54.0

Stellite 21

0.25

27.00

1.00

0.15

2.00

5.50

2.50

1.00

Bal

20.0

Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5~10 days if the goods are in stock.Or it is 45 days if the goods are not in stock, it is according to
quantity.
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A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shipment.
irrevocable LC at sight.