Tensile properties of representative MIM alloys
The following table shows typical room temperature tensile properties of representative metal injection molding alloys.
Typical room temperature tensile properties of representative MIM alloys
| Material (Designation) | Density % | Density % | Yield Strength Mpa | Tensile Strength Mpa | Elongation | Hardness Vhn |
|---|---|---|---|---|---|---|
| Aluminium | Al-1Cu | 93 | – | 200 | 10 | 25 |
| Cobalt-chromium or f75 | Co-28Cr-4W-3Ni-1C | 99 | 550 | 880 | 4 | 265 |
| Cobalt-chromium or f75 (HIP) | Co-28Cr-4W-3Ni-1C | 100 | 520 | 1000 | 40 | 260 |
| Hastelloy x (HT) | Ni-22Cr-18.5Fe-9Mo-1.5Co-0.6W | 98 | 303 | 675 | 74 | 300 |
| Inconel 718 (HIP, HT) | Ni-19Cr-18Fe-5Nb-3Mo-1Ti-0.4Al | 100 | 1130 | 1330 | 14 | 390 |
| Invar | Fe-36Ni | 98 | 240 | 425 | 40 | 115 |
| Iron-nickel | Fe-2Ni | 96 | 190 | 345 | 30 | 95 |
| Iron-nickel | Fe-8Ni | 95 | 310 | 430 | 21 | 150 |
| Iron-nickel | Fe-42Ni | 99 | 250 | 490 | 43 | 105 |
| Iron-nickel | Fe-50Ni | 96 | 170 | 420 | 20 | 80 |
| Iron-silicon | Fe-3Si | 99 | 390 | 530 | 24 | 150 |
| Kovar or f15 | Fe-29Ni-17Co | 98 | 280 | 480 | 42 | 110 |
| Maraging steel (HT) | Fe-18Ni-9Co-5Mo-0.5Ti-0.1Si | 96 | 1600 | 1640 | 2 | 470 |
| Nickel-iron | Ni-20Fe | 91 | – | 470 | 31 | 90 |
| Niobium superalloy | Nb-10W-10Ta | 98 | 315 | 440 | 25 | 240 |
| Stainless 17-4 ph | Fe-16Cr-4Ni-4Cu-0.3Nb-0.8Si | 96 | 750 | 900 | 10 | 265 |
| Stainless 17-4 ph (HT) | Fe-16Cr-4Ni-4Cu-0.3Nb-0.8Si | 96 | 1090 | 1185 | 6 | 340 |
| Stainless 17-4 ph (HIP) | Fe-16Cr-4Ni-4Cu-0.3Nb-0.8Si | 100 | 1103 | 1137 | 13 | 370 |
| Stainless 304l | Fe-18Cr-8Ni | 97 | 240 | 480 | 35 | 165 |
| Stainless 316l | Fe-17Cr-12Ni-2Mo-2Mn | 96 | 220 | 510 | 45 | 135 |
| Stainless 410 (HT) | Fe-11Cr-0.5C | 95 | 1240 | 1520 | 5 | 390 |
| Stainless 410l (HT) | Fe-11Cr-0.1C | 95 | 410 | 650 | 5 | 240 |
| Stainless 420 (HT) | Fe-13Cr-1Mn-1Si | 92 | 680 | 1440 | 6 | 470 |
| Stainless 440c (HT) | Fe-17Cr-1Mn-1C | 98 | 1560 | 1600 | <1 | 655 |
| Steel 1060 | Fe-0.6C | 97 | 260 | 580 | 25 | 150 |
| Steel 4140 | Fe-1Cr-0.4C | 97 | 390 | 580 | 15 | 230 |
| Steel 4140 (HT) | Fe-1Cr-0.4C | 93 | 1240 | 1380 | 2 | 390 |
| Steel 4340 | Fe-2Cr-1Ni-1Mn-0.4C | 96 | 480 | 620 | 6 | 240 |
| Steel 4340 (HT) | Fe-2Cr-1Ni-1Mn-0.4C | 96 | 1400 | 1600 | 2 | 485 |
| Steel 4605 (HT) | Fe-2Ni-0.4Mo-0.5C | 96 | 205 | 440 | 15 | 110 |
| Steel 4605 (HT) | Fe-2Ni-0.4Mo-0.5C | 96 | 1480 | 1655 | 2 | 485 |
| Steel 4640 (HT) | Fe-2Ni-1Mo-0.4C | 97 | 1400 | 2000 | 3 | 300 |
| Steel iron-nickel (HT) | Fe-2Ni-0.5C | 94 | 1230 | 1230 | 1 | 450 |
| Steel iron-nickel (HT) | Fe-2Ni-0.5Mo-0.6C | 96 | 1000 | 1200 | 2 | 595 |
| Steel iron-nickel | Fe-2Ni-0.9C | 96 | 450 | 650 | 9 | 185 |
| Steel iron-nickel (HT) | Fe-7Ni-0.5C | 95 | 1420 | 1460 | 1 | 460 |
| Steel iron-nickel | Fe-8Ni-0.5C | 97 | 260 | 410 | 25 | 135 |
| Steel iron-nickel (HT) | Fe-8Ni-0.6C | 97 | 1100 | 1300 | 2 | 515 |
| Titanium | Ti | 98 | 500 | 580 | 12 | 215 |
| Titanium (HIP) | Ti | 100 | – | 800 | 25 | – |
| Titanium-5-2.5 | Ti-5Al-2.5Fe | 95 | – | 960 | 4 | 380 |
| Titanium-6-4 | Ti-6Al-4V | 98 | 800 | 880 | 12 | 350 |
| Tool steel m2 (HT) | Fe-6W-5Mo-4Cr-2V-1C | 99 | 1000 | 1100 | 1 | 750 |
| Tungsten heavy alloy | W-5Ni-2Cu | 98 | 900 | 1050 | 10 | 345 |
| Tungsten heavy alloy | W-4Ni-1Fe | 99 | 300 | 500 | 15 | 300 |
| Tungsten heavy alloy (HT) | W-4Ni-1Fe | 99 | 650 | 1000 | 20 | 150 |
| Tungsten heavy alloy | W-5Ni-2Fe | 100 | 660 | 930 | 30 | 265 |
| Tungsten heavy alloy | W-6Ni-2Fe | 98 | 500 | 800 | 20 | 265 |
Table 3 Typical room temperature tensile properties of representative MIM alloys (HT = heat treated, HIP = hot isostatically pressed, density is % alloy theoretical density)
Note that data given is only representative of the properties attainable using MIM, since differences in impurity levels, grain size, porosity, and post-sintering heat treatment can have dramatic effects.
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