High hardness cast iron/cast steel, quenched steel, gray cast iron, powder metallurgy, etc.
Insert Type : Solid CBN Inserts
Application field : HRC45~HRC68
Machining Materials : High hardness cast iron/cast steel, quenched steel, gray cast iron, powder metallurgy, etc.
1 . Solid CBN Insert ISO Models
| Solid CBN Insert ISO Models |
 |  |  |  |  |
| RNMN/RNGN | SNMN/SNGN | CNMN/CNGN | TNMN/TNGN | WNMN/WNGN |
 |  |  |  |  |
| RCMN | SCGN | RCMX/RCGX-V | RCMX/RCGX-Y | DNMN |
 |  |  |  |  |
| WNMA/WNGA | SNMA/SNGA | CNMA/CNGA | TNMA/TNGA | CNML |
 |  |  |  |  |
| RCMO | CNMO | TNMO | RNMS | DNML |
2. Ruiao Solid CBN Grade and application
Insert Grade | Suited Materials | Machining Type | Typical Application | Insert Image |
BN-K1 |
Chilled Cast Iron, Hi-Ni-Cr Cast Iron and High harness alloy cast iron |
Roughing |
Alloy Cast Iron, Slurry Pump, Wear resistant castings |  |
| BN-S10 | High Speed Steel | Roughing | HSS Rolls |
BN-S20 |
Hardened Steel, Heat and abrasive resistant steel, High manganese steel |
Roughing, Semi-Finishing |
HSS Rolls, Ball Screw, Wind Power Bearings |
| BN-S200 | Hardened Steel, Superalloy | Finishing | Wind Power Bearings |
BN-S300 |
Gray Cast Iron |
Roughing, Finishing |
Brake Disc, Cast Iron Engine,Gearbox, Cylinder Liner |
BDN80 |
Ni-based alloy, Stellite Alloy, Superalloy |
Roughing, Finishing |
Aircraft turbine disk, Ni based alloy parts |
3. CBN Characteristics
CBN Grade | Binder | CBN Content（%） | Granularity（μm） | Hardness（HV） |
| BN-K1 | TIC | 90 | 8-12 | 3000-3250 |
| BN-S10 | AL，TiN | 80 | 4-10 | 3100-3300 |
| BN-S20 | TIN | 76 | 4-6 | 2900-3100 |
| BN-S200 | TIN | 60
| 2-4 | 2800-3000 |
| BN-S30 | TIC | 85 | 8-12 | 3100-3300 |
| BN-S300 | AL，TIC | 97 | 4-6 | 3400-3600 |
