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.

 

Continue to next page: Cost, delivery and flexibility

 

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