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Grade of Tungsten Carbide
- Jun 24, 2017 -

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Grade No.

Density

(g/cm³)

Hardness

(HRA)

T·R·S (MPa)

Application Recommended

YG4C

45.00

89.5

1800

Mainly used as small   buttons for percussion bits and as the inserts of rotary prospecting bits to   cut soft, medium-hard formations.

YG6

15.80

89.5

1700

Mainly used as the   buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.

YG8

14.70

88.5

2300

Mainly used as the   buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.

YG8C

14.70

88.0

2300

Mainly used as the   buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft, medium-hard formations.

YG9C

14.50

87.0

2400

Mainly used as the   inserts and buttons for rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations.

YG11C

14.40

86.5

2450

Chiefly for the inserts   and buttons of heavy rock drill bits and rotary-percussive bits, coal-cutting bits and tricone bits to cut medium-hard and hard formations.

YG13C

14.30

86.0

2500

It is stronger, and is   mainly used as the inserts and buttons of rotary-percussive bits, heavy rock drill bits to cut hard and very hard formations.

YG15

14.00

86.5

2500

It is stronger, and is   mainly used as the inserts and buttons of rotary-percussive bits, heavy rock drill bits to cut hard and very hard formations.

YG16

14.10-14.30

87.5

2400

It is mainly used for   making cemented carbide substrate tips to be used in PDC cutters for excavating coal and oil field PDC bits.

YG20

13.40-13.70

85.0

2254

Mainly for the stamping   dies used in the conditions of heavy impact load and large strees

 

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