Standard Specification for Materials for Ferrous Powder Metallurgy (PM) Structural Parts
NORMA vydaná dňa 1.10.2024
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Designation standards: ASTM B783-24
Publication date standards: 1.10.2024
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
This specification covers a variety of ferrous powder metallurgy structural materials and includes a classification system or material designation code. The classification system includes chemical composition, minimum offset yield strength for as-sintered materials, minimum ultimate tensile strength for heat-treated materials (sinter hardened or quenched and tempered), minimum density, and maximum coercive field strength requirements for iron-phosphorus materials. Structural parts shall be made by pressing and sintering metal powders with or without subsequent heat treatment. Parts may also be made by repressing or repressing and resintering sintered parts, if necessary, with or without subsequent heat treatment to produce finished parts conforming to the requirements of this specification. The material shall conform to the chemical composition requirements for iron, copper, carbon, nickel, molybdenum, chromium, manganese, silicon, sulfur, phosphorus, nitrogen, columbium, and oxygen. The material shall be subjected to chemical analysis and mechanical tests.
Keywords:
compressive strength, diffusion-alloyed, ductility, elastic, endurance, fatigue, hardness, hybrid, impact, low-alloy, microindentation, PM steel, Poisson´s Ratio, prealloyed, sinter-hardened, stainless, tensile strength, Young´s Modulus,, ICS Number Code 77.160 (Powder metallurgy)