Sichuan Guanghan Nandong Metal Material Co., Ltd.
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Products
Contact Us
  • Contact Person : Ms. Liu Michelle
  • Company Name : Sichuan Guanghan Nandong Metal Material Co., Ltd.
  • Tel : 0086-0838-5631888
  • Address : Sichuan,Guanghan,GuangHan
  • Country/Region : China
  • Zip : 618300

Tungsten Ball and Seat

Tungsten Ball and Seat
Product Detailed
1.ISO9001:2008 2.Good material and quality 3.Used widely

We can supply tungsten carbide ball and valve seat with high precision.With high corrosion and wear resistance, and high strength and temperature resistant,our valve ball (tungsten carbide pellets) and seat export to many countries. Application:For sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells, high pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.Various grades for cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish, tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry: G5, G10, G16, G40 and G100 of JB/T 9145-1999.

The specification of  Cemented Carbide ball

Type

Blank Size

ΦDo

B

Φ3~Φ200 Ball

Φ3~Φ200

0~5

The unground or ground products can be manufactured and supplied as per the drawings or samples.

 

Equal to ISO Category Number

          Performance

 

uses

Density

Bend Strength

Hardness

G/Cm3

N/mm2

HRA

YG3

K01

14.9-15.3

1180

≥90.5

sand-blasting nozzlesQualified for fine turning and half-fine turning when cast iron, non-ferrous metal, alloys as well as non-alloy materials cutting consecutively. Can make wire drawing of steel and non-ferrous metal. Also qualified for sand-blasting nozzles.

YG3X

K01

15.1-15.4

≥1300

≥91.5

YG6X

K10

14.8-15.1

≥1560

≥91.0

Qualified for machining of chilled cast iron, alloy cast iron, refractory steel and alloy steel. Also Qualified for the machining of common cast iron.

YG6A

K10

14.7-15.1

≥1580

≥91.0

YG6

K20

14.7-15.1

≥1670

≥89.5

Qualified for finish machining and semi-finish machining for the cast iron, non-ferrous metal, alloy and unalloyed materials. Also qualified for wire drawing for the steel and non-ferrous metal, electric drill for geology use and steel drill etc.

YG8

K20-K30

14.6-14.9

≥1840

≥89

Qualified for rough machining of cast iron, non-ferrous metal, nonmetal materials, drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine

Grade of the finish ground balls

Grade

Size

Spherical deviation

Lot Diameter Variation

Allowable variation

Nominal Tolerance

Machining allowance

Maximum Roughness

“Ra”

3

0.006-1/2

0.000003

±0.00000

±0.00003

-

0.000010

0.5

5

0.006-1/2

0.000005

±0.00000

±0.00005

-

0.000010

0.8

10

0.006-7/8

0.000010

±0.000010

±0.00005

-

0.000010

1.0

25

0.006-1

0.000025

±0.000025

±0.00010

-

0.000010

2.0

50

0.006-1

0.000050

±0.000050

-

±0.0002

0.000050

3.0

100

0.006-1

0.000100

±0.000100

-

±0.0005

-

5.0

200

0.006-1

0.000200

±0.000200

-

±0.0010

-

8.0

1000

0.006-1

0.001000

±0.001000

-

±0.0050

-

-



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