Ningbo Langsun Tungsten Carbide Co., Ltd.

Our main products include tungsten carbide wear parts, mechanical seal rings and sleeves, nozzles, carbide blade, carbide mining bits, drilling bits, drill tools, tungsten carbide inserts, tungsten rods and plates, carbide cutting tips, roll for high speed rolling for steel bar, tungsten balls and seats, tungsten jewelries, and non-standard customized tungsten carbide products.
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Application:   We supply our clients with rough Tungsten Carbide Products and finished products, underground or ground tungsten carbide roll ring/circulars. We are specialized in producing different kinds of tungsten carbide roll ring. Tungsten roll rings take various material, including WC-Co alloy, WC-Ni alloy, WC-Ni/Co alloy etc,while carbide roll rings with high corrosion resistance and good compressive properties,they are both widely applied in petrochemical industries and other. Industries need high properties of the mechanical sealing rings or parts.Because of our high and stable quality tungsten carbide ring, our sealing rings are used in many different mechanical seal industries.We can custom the products according to client's demand ,welcome to choose and join us !   

Tungsten Carbide Rings Properties: -Superior compressive strength-Enhanced corrosion resistance-Great wear resistance -Exceeding hardness    Normal Grades: -With 6% Nickel, excellent corrosion resistance. -With 6% Cobalt,12%Cobalt with higher hardness.    

Cobalt Binder Grades

Grade

Binder ;(Wt ;%)

Density ;(g/cm3)

Hardness ;(HRA)

TRS ;(>N/mm²)

YG6

6

14.8

90.0

1520

YG6X

6

14.9

91.0

1450

YG6A

6

14.9

92.0

1540

YG8

8

14.7

89.5

1750

YG12

12

14.2

88.0

1810

YG15

15

14.0

87.0

2050

YG20

20

13.5

85.5

2450

YG25

25

12.1

84.0

2550

  Nickel Binder Grades

Grade

Binder ;(Wt ;%)

Density ;(g/cm3)

Hardness ;(HRA)

TRS ;(>N/mm²)

YN6

6

14.7

89.5

1460

YN6X

6

14.8

90.5

1400

YN6A

6

14.8

91.0

1480

YN8

8

14.6

88.5

1710

Typical Tungsten Carbide Grade Mechanical Properties for Mechanical seal rings

Grade

Main Chemical Composition(wt%)

Modulus Of Elasticity               (KN/m㎡)

Compressive Strength               (N/m㎡)

Thermal Conductivity               (W/m-K)

Coefficient Of               Thermal Expansion

WC

Co

Ni

TiC

Mo

YG6

94

6

-

-

-

630

5500

100

5.5×10-6/ K

YG8

92

8

-

-

-

590

5200

90

5.8×10-6/ K

YG15

85

15

-

-

-

530

4600

70

6.2×10-6/ K

N100

94

-

6

-

-

600

4500

90

5.3×10-6/ K

N200

92

-

8

-

-

570

4300

80

5.2×10-6/ K

TIP

81.5

8.5

10

-

530

4700

70

5.6×10-6 /K

QT200

25

-

15

52

8

400

3400

25

7.8×10-6 /K

Typical Mechanical Seal rings drawings.

Typical Mechanical Seal rings drawings. Feel free to ask us if there is anything we can help you!

Feel free to ask us if there is anything we can help you!

APPLICATION

Carbide seal rings are widely used as seal faces in variuos pumps and seals, compressors and agitators. It is also used d in Oil Refineries, petrochemical industries, Fertilizer Plants,Petrochemical plants, Pharmaceutical industries.


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