China Bullet Spherical Tungsten Carbide Buttons for DTH Hammer

Tungsten Carbide For Drill Bits Buttons
1. 100% virgin raw materials.
2. Various kinds of grades are availalbe based on customer's application.
3. we have professional advanced production line and inspeciton equipments to ensure high quality products.
4. Precision Ground and high polishing process
5. High wear resistance,high hardness and impact toughness
6. Advanced technology , precise grinding.
Material Grade List
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 formation