Standard Specification for Metal Injection Molded (MIM) Materials
NORMA vydaná dňa 1.2.2024
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Designation standards: ASTM B883-24
Publication date standards: 1.2.2024
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
This specification covers ferrous metal injection molded (MIM) 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. These materials are: low-alloy steel produced from admixtures of iron powder and other alloying elements such as nickel and molybdenum (MIM-2200 and MIM-2700); low-alloy steel produced from admixtures of iron powder and other alloying elements such as nickel, molybdenum, and carbon (MIM-4605); austenitic stainless steel produced from pre-alloyed powder or an admixture of powders (MIM-316L); precipitation hardening stainless steel produced from pre-alloyed powder or an admixture of powders (MIM-17-4 PH); and ferritic stainless steel produced from pre-alloyed powder or an admixture of powders (MIM-430L). Chemical analysis shall be performed for the elements copper, chromium, molybdenum, and nickel. The materials shall be subjected to tensile test and unnotched Charpy impact energy test.
Keywords:
coefficient of thermal expansion, 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, thermal conductivity, unnotched Charpy impact energy,, ICS Number Code 77.140.80 (Iron and steel castings),77.160 (Powder metallurgy)