|
Grade |
Density (g/cm3) |
Hardness (HRA) |
T.R.S (MPa) |
Application recommended |
|
YG6 |
14.95 |
90.5 |
1900 |
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 |
89.8 |
2800 |
Used as a core drill, electric coal drill, coal cutter tooth, oil roller bit and scraper button bit. |
|
YG8C |
14.8 |
89.8 |
2800 |
Mainly used for small and medium-sized drill bit tooth, and as a rotating exploration drill bush. |
|
YG11C |
14.4 |
86.5 |
2700 |
Most used in the drill bit and rock bit used for cutting high hardness materials ball tooth. |
|
YG13C/YK40 |
14.2 |
86 |
2900 |
mainly used for rotary drill bit used for cutting high hardness materials in ball mill. |
|
YG15C |
14 |
85 |
3000 |
Used in oil cone bit and soft in the hard rock digging cutting tools. |
|
YK05 |
14.9 |
90.5 |
2600 |
Mostly used as the buttons of small and mediumsized bits to cut soft and medium hard formations |
|
YK15 |
14.6 |
88 |
2750 |
Suitable to strips,conical buttons for rotary percussion-resistant geological prospecting buttons,cut soft and medium hard formations. |
|
YK20 |
14.5 |
87.5 |
2800 |
Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations, |
|
YK25 |
14.4 |
87.2 |
2550 |
Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard,hard,and very hard formations |
