Basado en un 100% de maquinabilidad para el acero AISI 1212.
| Material | Machinability |
|---|---|
| Carbon steels | |
| 1015 | 72% |
| 1018 | 78% |
| 1020 | 72% |
| 1022 | 78% |
| 1030 | 70% |
| 1040 | 64% |
| 1042 | 64% |
| 1050 | 54% |
| 1095 | 42% |
| 1117 | 91% |
| 1137 | 72% |
| 1141 | 70% |
| 1141 annealed | 81% |
| 1144 | 76% |
| 1144 annealed | 85% |
| 1144 stressproof | 83% |
| 1212 | 100% |
| 1213 | 136% |
| 12L14 | 170% |
| 1215 | 136% |
| Alloy steels | |
| 2355 annealed | 70% |
| 4130 annelaed | 72% |
| 4140 annealed | 66% |
| 4142 annealed | 66% |
| 41L42 | 77% |
| 4150 annealed | 60% |
| 4340 annealed | 57% |
| 4620 | 66% |
| 4820 annealed | 49% |
| 52100 annealed | 40% |
| 6150 annealed | 60% |
| 8620 | 66% |
| 86L20 | 77% |
| 9310 annealed | 51% |
| Stainless steels and super alloys | |
| 302 annealed | 45% |
| 303 annealed | 78% |
| 304 annealed | 45% |
| 316 annealed | 45% |
| 321 annealed | 36% |
| 347 annealed | 36% |
| 410 annealed | 54% |
| 416 annealed | 110% |
| 420 annealed | 45% |
| 430 annealed | 54% |
| 431 annealed | 45% |
| 440A | 45% |
| 15-5PH condition A | 48% |
| 17-4PH condition A | 48% |
| A286 aged | 33% |
| Hastelloy X | 19% |
| Tool steels | |
| A-2 | 42% |
| A-6 | 33% |
| D-2 | 27% |
| D-3 | 27% |
| M-2 | 39% |
| O-1 | 42% |
| O-2 | 42% |
| Gray cast iron | |
| ASTM class 20 annealed | 73% |
| ASTM class 25 | 55% |
| ASTM class 30 | 48% |
| ASTM class 35 | 48% |
| ASTM class 40 | 48% |
| ASTM class 45 | 36% |
| ASTM class 50 | 36% |
| Nodular iron | |
| 60-40- 18 annealed | 61% |
| 65-45- 12 annealed | 61% |
| 80-55-06 | 39% |
| Aluminum and magnesium alloys | |
| aluminum, cold drawn | 360% |
| aluminum, cast | 450% |
| aluminum, die cast | 76% |
| magnesium, cold drawn | 480% |
| magnesium, cast | 480% |