MIM Process
Types of MIM surface treatment
MIM equipment
Vacuum sintering furnace
High speed milling machine
Mirror effect sinker EDM
Sizing machine
Multisensor measuring system
Vacuun sintering furnace
High speed milling machine
High speed milling machine
Salt spray testing machine
Comparison of MIM with other processes
| Characteristics | Metal injection molding | Conventional powder metallurgy | Casting forming (zinc, aluminum) | Precision casting | Mechanical processing |
| Shape complexity | High | Low | High | Medium | High |
| Minimum thickness | 0.5mm | 1mm | 0.8mm | 2mm | 0.5mm |
| Surface roughness | 1 μ m Ra thin | Thick | Medium | 5 μ m Ra Medium | thin |
| Mechanical strength | High | Medium | Low | Medium | High |
| Materials selection | Large | Medium | Small | Medium | Large |
| Density | 95~99% | <95% | 100% | 100% | 100% |
| Precision | Medium | High | Medium | Medium | High |
| Electroplating | Good | Low | Medium | Good | Good |
| Mass production | High | High | High | Medium | Low |
| Cost | Medium | Low | Medium | Medium | High |
MIM precision
| Dimensions | Standard tolerance |
| <3mm | ±0.03mm |
| 3~6mm | ±0.04mm |
| 6~10mm | ±0.05mm |
| 10~25mm | ±0.10mm |
| >25mm~ | ±0.3% |
MIM materials application
Download MIM Material Properties| Material | Chemical composition (%) | Density (g/cm3) | Tensile strength (Mpa) | Yield strength (Mpa) | Ductility (%) | Hardness | Coefficient of thermal expansion (μm/m•℃) |
Heat Transfer Coefficient (W/m.k) |
Magnetic (μ) |
| Stainless Steel 17-4 PH |
Fe-16Cr-4Ni-4Cu | >7.60 | >1000 | >750 | >8 | HRC 25~30 | N/A | N/A | N/A |
| Stainless Steel (HT)* 17-4 PH |
Fe-16Cr-4Ni-4Cu | >7.60 | 1150 | 1000 | >5 | HRC 35~42 | N/A | N/A | N/A |
| Stainless Steel (Non-magnetic) 17-4 PH |
Fe-16Cr-4Ni-4Cu | >7.60 | >800 | >450 | >25 | HV190~210 | N/A | N/A | <1.020u |
| Heat resistant steel HK30 |
Fe-25Cr-20Ni | >7.60 | >600 | >250 | >30 | HV 160+/-35 | N/A | N/A | N/A |
| Superalloy 713C |
Ni-12Cr-6Al-4Mo | >7.70 | >1220 | >750 | >12 | HRC 30~36 | N/A | N/A | N/A |
| Superalloy(HT)* 713C |
Ni-12Cr-6Al-4Mo | >7.70 | >1250 | >840 | >8 | HRC 35~42 | N/A | N/A | N/A |
| Stainless Steel 440C |
Fe-18Cr-Mo-1.0C | >7.57 | >600 | >400 | >2 | <25 HRC | N/A | N/A | N/A |
| Stainless Steel (HT)* 440C |
Fe-18Cr-Mo-1.0C | >7.57 | >1700 | >1500 | <1 | 60±2 HRC | N/A | N/A | N/A |
| Iron-Nickel-Cobalt-Alloy Kovar (ASTM F-15) |
Fe-29Ni-17Co | >7.98 | - | - | - | HV 150+/-20 | 5.04 (RT~400℃) |
N/A | N/A |
| Iron-Nickel-Cobalt-Alloy(HIP) Kovar (ASTM F-15) |
Fe-29Ni-17Co | >8.15 | - | - | - | HV 150+/-20 | 5.04 (RT~400℃) |
N/A | N/A |
| Iron-nickel alloy Fe-2Ni |
Fe-2Ni-0.5C | >7.60 | >600 | >250 | ≥10 | HRB 50~100 | N/A | N/A | N/A |
| Iron-nickel alloy (HT)* Fe-2Ni(POM-base) |
Fe-2Ni-0.5C | >7.60 | > 1600 | >1450 | ≥2 | HRC 47± 3 | N/A | N/A | N/A |
| Stainless Steel 316L |
Fe-17Cr-12Ni-2Mo-2Mn | >7.7 | >510 | >220 | >45 | HRB 50~100 | N/A | N/A | N/A |
| Stainless Steel (HT)* PANACEA |
17Cr3Mo10Mn | >7.50 | >1050 | >650 | >25 | HV265+/-35 | N/A | N/A | <1.02 |
| Cobalt-chrome-molybdenum alloy F75 |
Co-base 30Cr6Mo | >7.95 | >750 | >650 | >8 | HRC31+/-2 | N/A | N/A | ≦1.01μ |
| Ni-chrome-molybdenum alloy Steel 8620 |
Fe-0.6Ni-0.5Cr-0.2Mo | >7.57 | >390 | >230 | >23 | HV 125+/-20 | N/A | N/A | N/A |
| Ni-chrome-molybdenum alloy Steel (HT)* 8620 |
Fe-0.6Ni-0.5Cr-0.2Mo | >7.57 | 1400 | N/A | <1.3 | Surface Hardness Hv 655 Deep Hardness 1mm Hv550 |
N/A | N/A | N/A |
| Cr-Mo Steel 4140 |
Fe-1Cr-0.2Mo | >7.45 | >650 | >500 | >12 | HRB 80~100 | N/A | N/A | N/A |
| Cr-Mo Steel(HT)* 4140 |
Fe-1Cr-0.2Mo | >7.45 | ≥ 1600 Mpa ≥ 1250 Mpa |
≥ 1400 Mpa ≥ 1000 MPa |
≧ 3% ≧ 4% |
HRC44-48 HRC34-38 |
N/A | N/A | N/A |
| Tool steel SKD11 |
Fe-12Cr-Mo-1.5C | >7.60 | >760 | >460 | >5 | HRC 23~27 | N/A | N/A | N/A |
| Tool steel (HT)* SKD11 |
Fe-12Cr-Mo-1.5C | >7.60 | >1800 | >1500 | <1 | 61±3 HRC | N/A | N/A | N/A |
| Maraging steel(as-sintering) Thor |
7Cr8Ni8Co6Mo | >7.70 | >900 | >750 | >7 | 26±3 HRC | N/A | N/A | N/A |
| Maraging steel(HT)* Thor |
7Cr8Ni8Co6Mo | >7.70 | >1650 | >1300 | >5 | 48±3 HRC | N/A | N/A | N/A |
| Maraging steel((as-sintering) CN21 |
9Co5Mo9Cr8Ni | >7.70 | >900 | >750 | >7 | 26±3 HRC | N/A | N/A | N/A |
| Maraging steel(HT)* CN21 |
9Co5Mo9Cr8Ni | >7.70 | >1650 | >1300 | >6 | 48±3 HRC | N/A | N/A | N/A |
| Maraging steel 300M-S1 |
Fe-2Ni-Mo-W-V-Cr | >7.6 | >1000 | >800 | >9 | <HRB 100 | N/A | N/A | N/A |
| Maraging steel(HT)* 300M-S1 |
Fe-2Ni-Mo-W-V-Cr | >7.6 | >2000 | >1800 | >4.5 | <HRC 50 | N/A | N/A | N/A |
| low-alloy steel 1010 |
Fe-0.1C | >7.60 | >300 | >220 | >35 | HRB 50~100 | N/A | N/A | N/A |
| low-alloy steel 4605 |
Fe-2Ni-Mo-W-V-Cr | >7.7 | >700 | >500 | >10 | <HRB 90 | N/A | N/A | N/A |
| low-alloy steel(HT)* 4605 |
Fe-2Ni-Mo-W-V-Cr | >7.7 | >1900 | >1750 | >6 | <HRC 45 | N/A | N/A | N/A |
| titanium alloys Ti-64 |
Ti6Al4V | >4.20 | >1000 | >850 | >8 | HRC 34+/-3 | N/A | N/A | N/A |
| magnetic materials Fe-3Si |
Fe-3Si | >7.50 | NA | NA | >10 | <HRB 90 | N/A | N/A | N/A |
| magnetic materials Fe-50Ni |
Fe-50Ni | >7.80 | NA | NA | >10 | <HRB 90 | N/A | N/A | N/A |
| Cu | Cu | >8.6 | NA | NA | NA | NA | N/A | >300 | N/A |
| *HT=Heat treatment |
