Grade |
ISO CODE |
Density g/cm |
Hardness HRA |
T.R.S N/mm |
Application |
YG4C |
K30 |
15.00 |
89.5 |
1800 |
Mainly used as small buttons for pervcussion bits and as the inserts of rotart prospecting bits to cut soft,medium-hard fomations |
YG8 |
K30 |
14.70 |
88.5 |
2200 |
Mainly used as the buttons of small and medium-sized percussion bits and as the inserts of rotarty prospecting bits to cut soft medium jard formations |
YG8C |
K30 |
14.70 |
88.0 |
2300 |
Mainly used as small buttons for pervcussion bits and as the inserts of rotart prospecting bits to cut soft,medium-hard fomations |
YG9C |
K40 |
14.50 |
87.0 |
2400 |
Mainly used as the inserts and buttons for rotary percussive bits,coal cutting bits and trcone bits to cut medium -hard and hard formations |
YG9.2 |
G15 |
14.30 |
87.5 |
2350 |
Mainly used as the inserts and buttons for rotary percussive bits,coal cutting bits and trcone bits to cut medium -hard and hard formations |
YG11C |
G20 |
14.40 |
86.5 |
2450 |
chiefly for the inserts and buttons of heavy rock drill bits,rotary-percussive bits and heavy rock drill bits to cut medium-hard and hard formations |
YG13C |
G20 |
14.30 |
86.0 |
2500 |
Mainly used as inserts and buttons of tricone bits rotary-percussive bits and heavy rock drill bits to cut medium-hard and hard formations |
YG15 |
G30 |
14.00 |
86.5 |
2500 |
The strength is more better,mainly used as the inserts and buttons of rotary-percussive bits,heavy rock drill bits to cut hard andvery hard formation |
JK15 |
G30 |
14.10 |
85.0 |
2600 |
The strength is best,but wear resistance is lower.It is mainly used as the insertsand buttons of rotary percussive bits ,heavy rock drill bits to cut hard and very hard formations |
JK13 |
G30 |
14.30 |
86.0 |
2550 |
The strength is better,used for the buttons of tricone bits.it also can be used as the inserts and bbuttons of rotary-percussive bits, heavy rock drill bits to cut hard and medium-hard formations. |
JK1 |
G20 |
14.45 |
86.7 |
2500 |
Good toughness,wear resistance and versatility ,for rotary-percussive bits,heavy rock drill bits , to cut hard and medium hardformation |
JK2 |
G15 |
14.55 |
87.0 |
2450 |
High toughness,wear resistance .The general performance is good.It can be specially used as the inserts and buttons of rotary percussive bit , heavy rockdill bits and coal cutting bits, to cut medium-hard and hard formation |
JK2.5 |
G15 |
14.60 |
87.3 |
2450 |
High toughness,wear resistance and verstility.It can be specially used as the inserts and buttons of heavy rock drill bits , to cut medium-hard and hard formation |
JK3 |
G15 |
14.70 |
87.7 |
2400 |
Excellent wear resistance and good toughness.It can be used as the buttons of drill bits and tips of anchor-pole to cut medium-hard formations. |
JK4 |
G10-G15 |
14.80 |
88.2 |
2350 |
Good wear resistance.It can be used as the buttons of drill bits and tios of anchor-pole to cut soft and medium-hard formations. |
DS25-10 |
K20-K30 |
14.30 |
87.5 |
2500 |
Mainly used as buttons of percussion bits and coal-cutting bits to cut medium-hard and hard formations. |
DS30 |
K20-K30 |
14.85 |
89.5 |
2200 |
Good wear resistance.Mainly used as small buttons of percussion bits and tios of anchor-pole to cut soft and medium-hard formations. |
DS30-08 |
K20-K30 |
14.70 |
88.0 |
2350 |
Good toughness .Mainly used as small buttons of percussion bits and buttons of rotary percussive bits to cut soft and medium -hard formations |