
External grooving o f hardened steel
7˚ INSL Ref.
| P | Steel | |
| M | Stainless | |
| K | Cast iron | |
| N | Non-ferrous | |
| S | Superalloys | : First choice |
Hard materials : Second choice H CBN External
Seat
| Designation | CW±0.025 | RE | INSL | h | |
| size |
| Internal | SGN200-020 | 2 | 2 | 0.2 | z | 20 | 5 |
| SGN300-020 | 3 | 3 | 0.2 | z | 20 | 5 | |
| SGN400-020 | 4 | 4 | 0.2 | z | 20 | 5 |
Face z: Line up
Parting
| ISO | Workpiece material | Hardness | Priority | Grade | Vc (m/min) Cutting speed |
| < 300 HB | First choice | AH7025, AH725 | 50 - 180 | ||
| < 300 HB | Priority for wear resistance | T9225 | 80 - 300 | ||
| Steels (C45, 34CrMo4, etc.) | < 300 HB | Priority for wear resistance | T9125 | 80 - 200 | |
| < 300 HB | Priority for impact resistance | GH130 | 50 - 120 | ||
| < 300 HB | Priority for surface finish | NS9530 | 80 - 220 | ||
| Stainless steel | < 200 HB | First choice | AH7025, AH725 | 50 - 120 | |
| (X10CrNiS18-9, etc.) | < 200 HB | Priority for impact resistance | GH130 | 50 - 120 | |
| Gray cast iron | - | First choice | T515, AH7025 | 50 - 180 | |
| (GG25, 250, etc.) | - | Priority for impact resistance | GH130 | 50 - 180 | |
| Ductile cast irons | - | First choice | T515, AH7025 | 50 - 120 | |
| (GGG45, 450-10S, etc.) | - | Priority for impact resistance | GH130 | 50 - 120 | |
| Aluminium alloys | - | First choice | TH10 | 100 - 500 | |
| (Si<12% ) | - | First choice | KS05F | 100 - 600 | |
| Superalloys | < HRC 40 | First choice | AH7025 | 20 - 60 | |
| (Inconel718, etc.) | < HRC 40 | Priority for wear resistance | AH905 | 20 - 80 | |
| < HRC 40 | First choice | AH905 | 20 - 80 | ||
| Titanium alloys Ti6Al4V t | < HRC 40 | Priority for impact resistance | AH7025, AH725 | 20 - 80 | |
| --, ec. | < HRC 40 | Priority for surface finish | KS05F | 20 - 60 | |
| Hardened steels (34CrMo4, etc.) | > HRC 50 | First choice | BX360 | 80 - 150 |
*Please see the page F031 - F033 for feed: f (mm/rev).