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Zhuzhou Mingri Cemented Carbide Co., Ltd.
Tungsten Carbide Die;Tungsten Carbide Strips;Tungsten Carbide Plate
 
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Tunnel boring machine carbide shield cutter 100% vrigin material

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Title: Tunnel boring machine carbide shield cutter 100% vrigin material 
Brand: -
Model: -
Unit price: Negotiable
MOQ: -0 -
Quantity: Negotiable
Delivery date: Since the payment date Days delivery

Contact: Teresa Chou (Ms.)    
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Tunnel boring machine carbide shield cutter 100% vrigin material
 
Description:

The TBM technology is mainly used in underground ming and traffic tunnelling like metro, railway and

 road tunneling.

 
Grade and Applications:

 

Grade

Density

T.R.S

Hardness

 Performance & application recommended

g/cm3

MPα

HRA

MK4

15.1

1800

90.0

Mainly used as small buttons for percussion bits to cut soft and

medium hard formations.

MK6

14.9

2000

90.5

For coring crowns, electric coal drill bits, coal cutting picks, oil cone

bits and scraping knife bits, usd in geological prospecting, coal

mining and oil well boring.

MK8

14.7

2400

89.7

For coring crowns, electric coal drill bits, coal cutting picks, cone drill

 bits and scraping knife bits, used in geological prospecting, coal mining

and oil well boring.

MK10

14.7

2450

88.5

Mostly used as the buttons of small and mediumsized percussion bits

and as the inserts ofrotary prospecting bits to cut soft and medium hard

 formations.

MK15

14.6

2450

87.8

Suitable to strips, conical buttons for rotary percussion-resistant, 

geological

prospecting buttons, cut soft and medium hard formations.

MK20

14.4

2550

87.0

Primarily for the buttons and inserts of rotary percussion bits to cut 

medium-

hard and hard formations.

MK25

14.5

2600

87.5

Primarily for the buttons and inserts of rotary percussion bits to cut 

medium

 hard and very hard formations.Tunnel boring machine carbide shield cutter 100% vrigin material

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