Two most common aluminum alloys for CNC machining
| Property | 6061-T6 | 7075-T6 |
|---|---|---|
| Tensile Strength | 310 MPa | 570 MPa |
| Yield | 275 MPa | 500 MPa |
| Hardness | 95 HB | 150 HB |
| Machinability | Excellent | Good |
| Corrosion | Excellent | Fair |
6061: SFM 1500-2500, chip load 0.05-0.12mm/tooth, DOC up to 2xD. 7075: SFM 1000-1800, chip load 0.04-0.08mm/tooth, DOC up to 1.5xD.