ASTM A487/A487M-24

Podrobné informace

Označení: ASTM A487/A487M-24

Datum vydání: 01.05.2024

Stran: 7

Země: Americká technická norma

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Anotace

This specification covers low-alloy steel and martensitic stainless steels in the normalized and tempered, or quenched and tempered conditions, suitable for pressure-containing parts. All castings shall receive the specified heat treatment requirement: austenitizing temperature, medium, quenching cool, and tempering temperature. Preliminary heat treatment and multiple tempering are permitted. Recording-type pyrometers shall be used to control the furnace temperature. The steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, boron, and copper. Residual elements include: copper, nickel, chromium, tungsten, molybdenum, and vanadium. Tensile properties of the steel shall conform to the requirements for tensile strength, yield strength, elongation, reduction of area, hardness, and maximum thickness. Product analysis tolerance is specified. Repair by welding may be done.


Keywords:
alloy steel, martensitic stainless steel, pressure-containing parts, stainless steel, steel castings,, ICS Number Code 77.140.80 (Iron and steel castings)