ASTM A447/A447M-11(2021)

Podrobné informácie

Označenie: ASTM A447/A447M-11(2021)

Dátum vydania: 01.05.2021

Stránok: 4

Krajina: Americká technická norma

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Anotácia

This specification covers iron-base, heat-resisting alloy castings, intended for structural elements, containers, and supports in electric furnaces, petroleum still tube supports, and for similar applications. The alloys shall be electric-furnace processed and heat treated. The castings shall conform to the required chemical compositions of nickel, chromium, carbon, nitrogen, manganese, silicon, phosphorus, sulfur, and iron. The specimens shall undergo tension test after aging and short-time high-temperature tension test and shall conform to the required values of tensile strength and elongation. A stress-rupture test shall also be performed wherein the specimens shall conform to the required values of tensile stress. The specimen shall also conform to the required values of magnetic permeability.


Keywords:
austenitic stainless steel, high temperature applications, stainless steel, steel castings,, ICS Number Code 77.140.80 (Iron and steel castings)