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Applicable material:

A variety of materials can be applied to MIM technology, including low alloy steel, stainless steel, tool steel, nickel base alloy, tungsten alloy, hard alloy, titanium alloy, magnetic materials, Kovar alloy and so on.

Table1  Common MIM materials and Application:

Material Category Material Type Application
Fe-based alloys Fe-2Ni, Fe-8Ni 310 Various component of automobile and tool instudy
Stainless steel 316L, 17-4PH, 420, 440C Medical equipment and horologe parts
Hard alloy WC-Co Various cutter,horologe and wrist watch
Ceramic Al2O3, ZrO2 , SiO2 IT electronic,daily necessary and horologe
Heavy alloy W-Ni-Fe, W-Ni-Cu, W-Cu Mikitary industry,communication and daily necessaries
Titanium alloy Ti, Ti-6Al-4V Component of medical and military
Magnetic material Fe, Fe50Ni, Fe-Si Various magnetic component
Tool steel 42CrMo4, M2 Tools
Copper alloy —— heat conduction, electric conduction

Table2   Properties of Typical MIM materials:

Material Density Hardness Tensile strength Elongation
g/cm 3 Rockwell MPa %
Fe-based alloys MIM-2200 (Sintered) 7.60 45HRB 290 40
MIM-2700 (Sintered) 7.60 69HRB 440 26
MIM-4605 (Sintered) 7.60 62HRB 415 15
MIM-4605 (quench/temper) 7.60 48HRC 1655 2
Stainless steel MIM – 316L (Sintered) 7.85 67HB 520 50
MIM- 17-4PH (Sintered) 7.5 27HRC 900 6
MIM- 17-4PH (Sintered) 7.5 40HRC 1185 6
MIM – 440C (Sintered) 7.5 65HRB 415 25
Tungsten alloy 95%W-Ni-Fe 18.1 30 960 25
97%W-Ni-Fe 18.5 33 940 15
Fine ceramic Al2O3 3.9 HRA92 Bending strength