
Grade Application Type Sample
speeds, General purpose for all material.
Cutting Speed m/min
Boring Copying Back Boring Chamfering ISO Standard Material Condition
. TTIP30 TTIM45 TTIS30
| Min. dia. of machining : 03.2 | Min. dia. of machining : 04.2 | Min. dia. of machining : 03.2 | Min. dia | of machining : 04.2 | |||
| <0.25% C | Annealed | ||||||
| >0.25%C | Annealed | ||||||
| Non- Alloy steel and cast steel , free |
| <0.55%C | Quenched and Tempered | 25 -50 | 30 -80 | 30-60 | |
| cutting steel |
| P | >0.55%C | Annealed | |||
| Quenched and Tempered | |||||
| Annealed | |||||
| O) | Low alloy steel and cast steel (less than 5% alloying |
20-25 50-70 24 - 30
| C | elements) | Quenched and Tempered | |
| O | Annealed |
215 O High alloy steel, cast steel , and tool steel 18 -20 30 - 50 22 - 24 216
| o | Square Grooving | Round Grooving | Face Grooving | Quenched and Tempered | |
| Min. dia. of machining : 03.2 | Min. dia. of machining : 03.2 | Min. dia. of machining : 06.0 | M | Ferritic / martensitic |
| Stainless steel and cast steel | Martensitic | 25 -30 | 40 -60 | 30-42 | |
| Austenitic | |||||
| Ferritic / pearlitic | |||||
| Cast iron nodular (GGG) | 17-23 | 50 - 70 | 30-42 | ||
| Pearlitic | |||||
| Ferritic | |||||
| Grey cast iron (GG) | 17- 23 | 50- 70 | 30-42 | ||
| Pearlitic | |||||
| CD | |||||
| C | |||||
| Ferritic | |||||
| "O | Malleable cast iron | 17 - 23 | 50-70 | 30-42 | |
| 03 | Pearlitic | ||||
| _0 | |||||
| C | Threading | Not cureable | |||
| Aluminum -wrought alloy | 50-70 | 100-150 | 60-84 | ||
| Min. dia. of machining : 03.3 | Cured | ||||
| <12% Si Not cureable | |||||
| Aluminum -cast alloy | Cured | 30-40 | 60 -100 | 36-48 | |
| High temperature >12% Si | |||||
| >1% Pb Free cutting | |||||
| Copper alloys | Brass | 22-25 | 60-100 | 24 - 30 |
Electrolytic copper Duroplatics , fiber plastics Non metalic 35 -45 Hard rubber
Annealed Fe based s Cured High temperature alloys, Super
| Annealed | 15-20 | 15-20 | 18-24 | ||
| alloys | |||||
| Ni or Co based | Cured | ||||
| Cast | |||||
| Titanium alloy | Alpha+ beta alloys cured | 12- 18 | 40-50 | 15-20 | |
| Hardened 45-50 HRC | |||||
| H Hardend steel | Hardened 51-55 HRC | 15-20 | 20- 45 | 18-24 | |
| Hardened 56- 62 HRC | |||||
| Chilled cast iron | cast | 10 -14 | 12 -16 | ||
| Cast iron | Hardened | 8-12 | 10-14 |