Carbide Buttons

g/cm3

MPa

HRA

YG4C

15.1

1800

90

Mainly used as   small buttons for percussion bits to cut soft and medium hard formations.

YG6

14.95

1900

90.5

For coring   crowns, electric coal drill bits, coal cutting picks, oil cone bits and   scraping knife bits, used in geological prospecting, coal mining and oil well   boring.

YG8

14.8

2200

89.5

For coring   crowns, electric coal drill bits, coal cutting picks, oil cone bits and   scraping knife bits, used in geological prospecting, coal mining and oil well   boring.

YK05

14.95

2500

90.5

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

YG8C

14.8

2400

88.5

YK15

14.6

2450

87.6

Suitable to   strips, conical buttons for rotary percussion-resistant, geological   prospection buttons, cut soft and medium hard formations.

YK20

14.4

2500

86.8

Primarily for   the buttons and inserts of rotary percussion bits to cut medium-hard and hard   formations.

YK25

14.4

2550

87.2

Primarily for   the buttons and inserts of rotary percussion bits to cut medium-hard and very   hard formations.

YG11C

14.4

2700

86.5

Largely for   the inserts and buttons of percussion bits and tricone bits to cut   medium-hard, hard, and very hard formations.

YG13C

14.2

2850

86

Primarily for   the buttons of tricone bits and inserts of rotary percussion bits to cut hard   and very hard formations.

YG15C

14

3000

85.5

For oil cone   drill bits, for medium soft and medium-hard rocks.