ASTM A220/A220M-99(2026)

Podrobné informace

Označení: ASTM A220/A220M-99(2026)

Datum vydání: 01.10.2026

Stran: 5

Země: Americká technická norma

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Anotace

This specification covers pearlitic malleable iron castings for general. The chemical composition of the iron shall be such as to produce the mechanical properties required by this specification. Hardness test and tensile test shall be made to conform to the requirements specified. The microstructure of the pearlitic malleable iron shall consist of temper carbon nodules uniformly distributed in a matrix of ferrite, pearlite, and tempered transformation products of austenite. All castings on visual examination, shall be sound and free from obvious shrinkage and porosity.


Keywords:
casting, malleable iron, mechanical properties, pearlitic, tensile strength, tension test, yield strength,, ICS Number Code 77.140.80 (Iron and steel castings)