High Quality Drilling Drag-bit Cemented Carbide Inserts

Grade

Density

(g/cm³)

Hardness

(HRA)

T.R.S (MPa)

Application Recommended

YG4C

15.1

96

1800

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

YG6

14.9

94

2100

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

92

2400

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

91.7

2450

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

14.6

91.5

2450

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

YG10C

14.4

89.5

2550

Suitable for rock bits of percussion rotary rock drill and buttons, drilling hard and super hard rock.

YG11C

14.4

88.5

2600

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

14.2

87.0

2650

Mainly used as the inserts and buttons of tricone bits rotary-percussive bits and heavy rock drill bits to cut medium-hard and hard formations.

YG15C

14.00

85.0

2700

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.