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 MpaTensile Strength MpaElongationHardness Vhn
AluminiumAl-1Cu932001025
Cobalt-chromium or f75Co-28Cr-4W-3Ni-1C995508804265
Cobalt-chromium or f75 (HIP)Co-28Cr-4W-3Ni-1C100520100040260
Hastelloy x (HT)Ni-22Cr-18.5Fe-9Mo-1.5Co-0.6W9830367574300
Inconel 718 (HIP, HT)Ni-19Cr-18Fe-5Nb-3Mo-1Ti-0.4Al1001130133014390
InvarFe-36Ni9824042540115
Iron-nickelFe-2Ni961903453095
Iron-nickelFe-8Ni9531043021150
Iron-nickelFe-42Ni9925049043105
Iron-nickelFe-50Ni961704202080
Iron-siliconFe-3Si9939053024150
Kovar or f15Fe-29Ni-17Co9828048042110
Maraging steel (HT)Fe-18Ni-9Co-5Mo-0.5Ti-0.1Si96160016402470
Nickel-ironNi-20Fe914703190
Niobium superalloyNb-10W-10Ta9831544025240
Stainless 17-4 phFe-16Cr-4Ni-4Cu-0.3Nb-0.8Si9675090010265
Stainless 17-4 ph (HT)Fe-16Cr-4Ni-4Cu-0.3Nb-0.8Si96109011856340
Stainless 17-4 ph (HIP)Fe-16Cr-4Ni-4Cu-0.3Nb-0.8Si1001103113713370
Stainless 304lFe-18Cr-8Ni9724048035165
Stainless 316lFe-17Cr-12Ni-2Mo-2Mn9622051045135
Stainless 410 (HT)Fe-11Cr-0.5C95124015205390
Stainless 410l (HT)Fe-11Cr-0.1C954106505240
Stainless 420 (HT)Fe-13Cr-1Mn-1Si9268014406470
Stainless 440c (HT)Fe-17Cr-1Mn-1C9815601600<1655
Steel 1060Fe-0.6C9726058025150
Steel 4140Fe-1Cr-0.4C9739058015230
Steel 4140 (HT)Fe-1Cr-0.4C93124013802390
Steel 4340Fe-2Cr-1Ni-1Mn-0.4C964806206240
Steel 4340 (HT)Fe-2Cr-1Ni-1Mn-0.4C96140016002485
Steel 4605 (HT)Fe-2Ni-0.4Mo-0.5C9620544015110
Steel 4605 (HT)Fe-2Ni-0.4Mo-0.5C96148016552485
Steel 4640 (HT)Fe-2Ni-1Mo-0.4C97140020003300
Steel iron-nickel (HT)Fe-2Ni-0.5C94123012301450
Steel iron-nickel (HT)Fe-2Ni-0.5Mo-0.6C96100012002595
Steel iron-nickelFe-2Ni-0.9C964506509185
Steel iron-nickel (HT)Fe-7Ni-0.5C95142014601460
Steel iron-nickelFe-8Ni-0.5C9726041025135
Steel iron-nickel (HT)Fe-8Ni-0.6C97110013002515
TitaniumTi9850058012215
Titanium (HIP)Ti10080025
Titanium-5-2.5Ti-5Al-2.5Fe959604380
Titanium-6-4Ti-6Al-4V9880088012350
Tool steel m2 (HT)Fe-6W-5Mo-4Cr-2V-1C99100011001750
Tungsten heavy alloyW-5Ni-2Cu98900105010345
Tungsten heavy alloyW-4Ni-1Fe9930050015300
Tungsten heavy alloy (HT)W-4Ni-1Fe99650100020150
Tungsten heavy alloyW-5Ni-2Fe10066093030265
Tungsten heavy alloyW-6Ni-2Fe9850080020265

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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