1. Scope

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 CompositionsMIM-2200, low-alloy steel produced from admixtures of iron powder and other alloying elements such as nickel and molybdenum.

MIM-2700, low-alloy steel produced from admixtures of iron powder, and other alloying elements such as nickel and molybdenum.

MIM-4605, low-alloy steel produced from admixtures of iron powder and other alloying elements such as nickel, molybdenum, and carbon.

MIM-316L, austenitic stainless steel produced from pre-alloyed powder or an admixture of powders.

MIM-17-4 PH, precipitation hardening stainless steel produced from prealloyed powder or an admixture of powders.

MIM-430L , ferritic stainless steel produced from pre-alloyed powder or an admixture of powders.

1.3 Chemical composition limits are specified in .

1.4 Property values stated in inch-pound units are to be regarded as the standard. Conversions to SI units may be approximate.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

MPIF Standards

ASTM Standards

B243 Terminology of Powder Metallurgy

B311 Test Method for Density of Powder Metallurgy (PM) Materials Containing Less Than Two Percent Porosity

B933 Test Method for Microindentation Hardness of Powder Metallurgy (PM) Materials

B962 Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes Principle

E8 Test Methods for Tension Testing of Metallic Materials

E18 Test Methods for Rockwell Hardness of Metallic Materials

E350 Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron

E415 Test Method for Atomic Emission Vacuum Spectrometric Analysis of Carbon and Low-Alloy Steel

E1019 Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Fusion Techniques

E1086 Test Method for Atomic Emission Vacuum Spectrometric Analysis of Stainless Steel by Point-to-Plane Excitation Technique

E1621 Guide for X-Ray Emission Spectrometric Analysis

F1089 Test Method for Corrosion of Surgical Instruments

Keywords

corrosion resistance; low-alloy steels; mechanical properties; metal injection molded parts; metal injection molded steels; metal injection molding (MIM); metal powders; MIM; PIM; powder injection molding; sintered steels; stainless steels; unnotched Charpy impact energy;

ICS Code

ICS Number Code 77.140.80 (Iron and steel castings); 77.160 (Powder metallurgy)

DOI: 10.1520/B0883-05

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