Chinese carbide

Equal to
ISO

Density
(g/cm²)

TRS 
(N/mm²)

Hardness
(HRA)

USE

YG8C

K30

14.7

2200

88

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.

YG11

K40

14.3

2100

88

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

YG11C

K40

14.35

2200

87.6

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

YG10C

K40

14.45

2450

87.6

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

   YG15

   K40

  14.0

   1500

     86.5

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

YN10

12.85

2800

86.8