CNC machining metals- Material performance
Metals can be machined on a CNC machine including aluminum, stainless steel, copper, brass, titanium, magnesium…
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| Material Name | Grade | Ultimate tensile strengh(Mpa) | Elongation at break(%) | Hardness(HRB) | Chemical resistance |
|---|---|---|---|---|---|
| Aluminum | 6061-T6 | 291-320 | 12-17 | 60 | High |
| Aluminum | 7075-T6 | 430-580 | 3-11 | 80 | Moderate |
| Aluminum | 7050 | 500-550 | 11 | 147 | Good |
| Aluminum | 6063 | 110-300 | 12 | 25-95 | High |
| Aluminum | 2024 | 200-540 | 14-20 | 70-120 | Poor |
| Stainless Steel | 304/304L | 480-620 | 45-60 | 75=83 | Good |
| Stainless Steel | 316/316L | 480-620 | 30-50 | 75-83 | Excellent |
| Stainless Steel | 17-4PH | 896-990 | 7 | 250-260 | Excellent |
| Mild Steel | 1018 | 190-440 | 17-27 | 76 | Poor |
| Mild Steel | 1045 | 620-680 | 13-18 | 84 | Poor |
| Alloy Steel | 4140 | 915-1130 | 13.5-21 | 275-335HV | Moderate to Poor |
| Alloy Steel | 4340 | 670-820 | 17-27 | 200-245HV | Moderate to Poor |
| Tool Steel | D2 | 2100-2500 | 13-15 | 58-64 | Excellent |
| Tool Steel | A2 | 2040-2360 | 3.5-6.1 | 57-62 | Excellent |
| Tool Steel | O1 | 2040-2360 | 3.5-6.1 | 57-62 | Excellent |
| Brass | C360 | 140 | 23 | - | Moderate |
| Copper | 110 | 220-230 | 15-50 | 40 HRF | Moderate to poor |
| Copper | 101 | 310-380 | 6-25 | 27 HV | - |
