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    ASTM

    ASTM B883 : 17

    Standard Specification for Metal Injection Molded (MIM) Materials

    Standard Details

    1.1 This specification covers ferrous metal injection molded materials fabricated by mixing elemental or pre-alloyed metal powders with binders, injecting into a mold, debinding, and sintering, with or without subsequent heat treatment.

    1.2 This specification covers the following injection molded materials.

    1.2.1 Compositions: 

    1.2.1.1 MIM-2200, low-alloy steel

    1.2.1.2 MIM-2700, low-alloy steel

    1.2.1.3 MIM-4605, low-alloy steel

    1.2.1.4 MIM-4140, low-alloy steel

    1.2.1.5 MIM-316L, austenitic stainless steel

    1.2.1.6 MIM-17-4 PH, precipitation hardening stainless steel

    1.2.1.7 MIM-420, martensitic stainless steel

    1.2.1.8 MIM-430L, ferritic stainless steel

    1.2.1.9 MIM-440, martensitic stainless steel

    1.2.1.10 MIM-Cu, copper

    1.3 Chemical composition limits are specified in Table 1.

    TABLE 1 Chemical Composition Requirements For Metal Injection Molded Materials (weight %)

    Material
    Designation

     

    Fe

    Ni

    Cr

    Co

    Mo

    C

    Cu

    Si

    Mn

    Nb + Ta

    V

    Other

    MIM-2200

    Min.

    Bal.

    1.5

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

     

    Max.

    Bal.

    2.5

    -

    -

    0.5

    0.1

    -

    1.0

    -

    -

    -

    1.0

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    MIM-2700

    Min.

    Bal.

    6.5

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

     

    Max.

    Bal.

    8.5

    -

    -

    0.5

    0.1

    -

    1.0

    -

    -

    -

    1.0

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    MIM-4605

    Min.

    Bal.

    1.5

    -

    -

    0.2

    0.4

    -

    -

    -

    -

    -

    -

     

    Max.

    Bal.

    2.5

    -

    -

    0.5

    0.6

    -

    1.0

    -

    -

    -

    1.0

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    MIM-4140

    Min.

    Bal.

    -

    0.8

    -

    0.2

    0.3

    -

    -

    -

    -

    -

    -

     

    Max.

    Bal.

    -

    1.2

    -

    0.3

    0.5

    -

    0.6

    1.0

    -

    -

    1.0

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    MIM-316L

    Min.

    Bal.

    10

    16

    -

    2

    -

    -

    -

    -

    -

    -

    -

     

    Max.

    Bal.

    14

    18

    -

    3

    0.03

    -

    1.0

    2.0

    -

    -

    1.0

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    MIM-420

    Min.

    Bal.

    -

    12

    -

    -

    0.15

    -

    -

    -

    -

    -

    -

     

    Max.

    Bal.

    -

    14

    -

    -

    0.4

    -

    1.0

    1.0

    -

    -

    1.0

     

     

     

     

     

     

     

     

    Status : Historical
    Standard Type: Main
    Document No: ASTM B883 : 17
    Document Year: 2017
    Pages: 7
    • Section Volume:
    • 02.05 Volume 02.05 Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products
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