Различные кнопки из карбида вольфрама/Твердосплавные

Grade

Co%

Density (g/cm²)

Hardness (HRA)

TRS (N/mm²)

Application

XD20A

9.0

14.53-14.73

89.0-90.0

≥2400

For making buttons for tri-cone drill bits with both high wear resistance and toughness.

XKH20

10.0

14.45-14.60

87.5-89.5

≥2600

For making gauge row buttons of various tri-cone drill bits.

XD20B

10.0

14.43-14.63

88.8-89.5

≥2300

For making buttons for tri-cone drill bits with both high wear resistance and toughness.

XD30

10.0

14.43-14.63

88.1-89.1

≥2000

For making buttons for tri-cone drill bits with both high wear resistance and toughness.

XD40

10.0

14.10-14.60

87.2-88.2

≥2900

Used in buttons for bits drilling in medium hard to soft rock formations.

YG11C

11.5

14.25-14.45

86.5-88.0

≥2400

Coarse grade, used for inserts for bits drilling in medium hard to hard rock formations.

XD45

12.0

14.23-14.43

86.8-87.7

≥2500

Medium coarse grade, used for inserts for bits drilling in hard rock formations.

YG13C

13.0

14.15-14.35

85.5-87.0

≥2450

Mainly used for making cemented carbide buttons for drilling medium hard and hard rock formations.

XKH60

16.0

13.85-14.00

85.0-87.0

≥2700

Used for buttons for inner rows in bits drilling in medium hard to soft rock formations.

XD60

16.0

13.85-14.00

85.0-86.5

≥2500

Used for buttons for inner rows in bits drilling in medium hard to soft rock formations