Tungsten Carbide Parabolic (Ballistic) Buttons
Recommend grade list of tungsten carbide buttons: |
Grade |
Density |
T.R.S |
Hardness |
Application recommended |
(g/cm3) |
( MPa) |
(HRA) |
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 |
Used as a core drill, electric coal drill, coal cutter tooth, oil roller bit and scraper button bit. |
YG8C |
14.8 |
≥2400 |
≥88.5 |
Mainly used for small and medium-sized drill bit tooth, and as a rotating exploration drill bush. |
YG11C |
14.4 |
≥2700 |
≥86.5 |
Most used in the drill bit and rock bit used for cutting high hardness materials ball tooth. |
YG13C |
14.2 |
≥2850 |
≥86.5 |
mainly used for rotary drill bit used for cutting high hardness materials in ball mill. |
YG15C |
14 |
≥3000 |
≥85.5 |
Used in oil cone bit and soft in the hard rock digging cutting tools. |
YK15 |
14.6 |
≥2450 |
≥87.6 |
Suitable to strips,conical buttons for rotary percussion-resistant geological prospecting 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 very hard formations, |
YK25 |
14.4 |
≥2550 |
≥87.2 |
Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard,hard,and very hard formations. |
Unit:mm |
Type |
Dimension |
D |
H |
h |
R1 |
R2 |
e |
MD0912A |
9 |
11.5 |
5.02 |
2.42 |
11 |
1.5 |
MD1222A |
12 |
21.7 |
8.4 |
3 |
12 |
1.5 |
MD1320 |
13 |
20 |
8.7 |
3 |
30 |
1.5 |
MD1626 |
164 |
26 |
12 |
4.8 |
42.5 |
2 |
Recommended grade: YG6,YG8,YG10 |
Other grades and sizes can be offered by customers’requirements. |