Hard metal shield cutter WC Co MK4 1800MP 90.0HRA for percussion bits

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Hard metal shield cutter WC Co MK4  1800MPα 90.0HRA for percussion bits

 

 

Description:

 

The shield & TBM cutter is applied to tunnel through rock no matter what kinds of ground 

conditions for under road tunnel construction and subway tunnel construcation. Our company

can manufacture the tips of tunnel boring machines with high quality and competitive 

price, also can customized according to the customer's requirement.

 

 

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 of rotary 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.

M
Hard metal shield cutter WC Co MK4 1800MP 90.0HRA for percussion bits

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