| Cermet Machining Recommendations |
| R=Roughing | SR=Semi-Roughing | SF=Semi-Finishing | F=Finishing |
Turning & Boring
| Material | Operation | Recommended Grade | Speed (SFM) | Feed (IPR) |
| Low Carbon Steels <Rc35 |
SR SR, F |
CC-44 CC-42, CC-44 |
200 - 1,000 200 - 1,200 |
.006 - .014 .004 - .014 |
| Tool Steels <Rc35 |
SR SF, F |
CC-44 CC-42, CC-44 |
350 - 900 250 - 900 |
.006 - .014 .004 - .014 |
| Stainless Steels |
SR SF, F |
CC-44 CC-42, CC-44 |
150 - 750 200 - 900 |
.004 - .014 .004 - .012 |
| Alloy Steels <Rc45 |
SR SF, F |
CC-44 CC-42, CC-44 |
100 - 1,000 200 - 1,000 |
.006 - .016 .004 - .013 |
| Cast & Nodular Iron | SR SF, F |
CC-44 CC-42, CC-44 |
200 - 850 200 - 1,200 |
.008 - .018 .006 - .018 |
| Nickel Based Alloys | SF, F | CC-42, CC-44 | 200 - 700 | .004 - .010 |
| Powdered Metals | SR, R SF, F |
CC-44 CC-42, CC-44 |
400 - 2,300 | .002 - .010 |
| Non-Ferrous Metals | SR, R SF, F |
CC-44 CC-42, CC-44 |
350 - 2,500 450 - 3,300 |
.006 - .022 .006 - .020 |
| Non-Metallics | SR, R SF, F |
CC-44 CC-42, CC-44 |
300 - 2,100 900 - 2,600 |
.003 - .014 .002 - .012 |
Milling
| Material | Operation | Recommended Grade | Speed (SFM) | Feed (IPT) |
| Carbon Steels <Rc35 |
SR,
R F |
CC-43 CC-42, CC-44 |
300 - 850 450 - 1,150 |
.002 - .006 .002 - .006 |
| Alloy Steels <Rc40 |
SR,
R F |
CC-43 CC-42, CC-44 |
150 - 700 300 - 1,050 |
.002 - .007 .002 - .005 |
| Tool and Stainless Steels |
SR,
R F |
CC-43 CC-42, CC-44 |
200 - 700 250 - 800 |
.002 - .006 .002 - .005 |
| Cast Steels | SR,
R F |
CC-43 CC-42, CC-44 |
200 - 900 250 - 1,250 |
.002 - .007 .002 - .005 |
| Cast Iron | SF, F | CC-44 | 400 - 1,250 | .002 - .005 |
| Nodular Iron | SF, F | CC-44 | 150 - 550 | .002 - .005 |
| Comparison Chart for all Cermet Grades |
| Chelsea | Kennametal | Kyocera | NTK | Sumitomo | Teledyne | Valenite |
| CC-42 | KT-125 | TC-30, 40 | T3N, T4N | SD-3 | VC-605, 610 | |
| CC-43 | KT-175 | TC-50, 60 | XN4 | T130A | SDM-14 | VC-630, 675 |
| CC-44 | KT-150 | TN-60 | XT3 | T05A, T12A T110A, T220A |
SD-5 | VC-671, 673 |
| Properties Chart for all Cermet Grades |
| Grades | Density (G/cm3) | Hardness (Ra) | T.R.S (Klc) |
| CC-42 | 6.5 | 93.5 | 6.5 |
| CC-43 | 6.42 | 92.0 | 8.2 |
| CC-44 | 6.48 | 92.5 | 7.5 |