| SFM & Chip Load | |||||||
| Suggested Chip Load Per Tooth | |||||||
| Material Type (<32 Hrc) | SFM | 1/8" | 3/16" | 1/4" | 5/16" | 3/8" | 1/2" |
| Non Ferrous | |||||||
| Aluminum Alloys- 2024-T4/T6, 2014, 6061-T6/T651, 7075-T68 | 500-1000 | 0.001 | 0.002 | 0.002 | 0.002 | 0.003 | 0.004 |
| Copper- Yellow Brass, High Lead Brass, Red Brass | 400-750 | 0.001 | 0.001 | 0.002 | 0.002 | 0.0025 | 0.003 |
| Copper Alloys- Alum/Bronze, Low Silicon Bronze | 400-500 | 0.001 | 0.001 | 0.002 | 0.002 | 0.0025 | 0.003 |
| Magnesium- De-cat, Extruded | 450-650 | 0.001 | 0.002 | 0.002 | 0.002 | 0.003 | 0.004 |
| Plastics, Acrylics, Phenolics, Polysulfone | 100-300 | 0.001 | 0.002 | 0.003 | 0.003 | 0.004 | 0.006 |
| Carbon, Graphites | 100-200 | 0.04 | 0.04 | 0.06 | 0.06 | 0.08 | 0.01 |
| Stainless Steel | |||||||
| Precipitation- 13/8, 15/5, AM-350/355 | 40-125 | 0.0005 | 0.0005 | 0.001 | 0.001 | 0.001 | 0.002 |
| Austenic- 200 Series, 302, 303, 304L, 316L | 50-175 | 0.0001 | 0.0002 | 0.0005 | 0.0005 | 0.001 | 0.0015 |
| Martensitic- 403, 410, 416 | 50-125 | 0.0001 | 0.0002 | 0.0005 | 0.0005 | 0.0005 | 0.001 |
| High Temp Alloys | |||||||
| Cobalt Base- Stellite, HS-21, Haynes25/188, X-40, L-605 | 30-50 | 0.0004 | 0.0005 | 0.001 | 0.001 | 0.001 | 0.001 |
| Iron Base- Incoly 600-802, Multimet N-155, Timkin 16-25-6 | 40-65 | 0.0005 | 0.0005 | 0.001 | 0.001 | 0.0015 | 0.002 |
| Titanium Alloys- 6AL-4V, ASTM 1/2/3, 6 AL-25N-4ZR-2MO-SI | 25-125 | 0.0005 | 0.0005 | 0.0005 | 0.0005 | 0.001 | 0.001 |
| Steel | |||||||
| High Strength Steels- 4340, 6150, 52100, H-11, H-13 | 25-125 | 0.0005 | 0.0005 | 0.001 | 0.001 | 0.001 | 0.001 |
| High Alloy Steels- A-2/6/10, P-3/10, 01, 02, 06 | 50-150 | 0.0005 | 0.0005 | 0.001 | 0.001 | 0.001 | 0.001 |
| Medium Alloy Steels- 200, 250, 300 | 75-175 | 0.0005 | 0.0005 | 0.001 | 0.001 | 0.002 | 0.0025 |
| Low Alloy Steels Maraging- 10XX, 11XX, 13XX | 50-200 | 0.0005 | 0.001 | 0.0015 | 0.0015 | 0.002 | 0.003 |
| Cast Iron | |||||||
| Ductile Iron- Ductile Cast Iron | 50-200 | 0.0005 | 0.001 | 0.0015 | 0.0015 | 0.002 | 0.002 |
| Cast Iron- Gray Cast Iron | 50-200 | 0.0005 | 0.001 | 0.002 | 0.002 | 0.003 | 0.004 |