ASTM A423/A423M-19(2026)

Podrobné informácie

Označenie: ASTM A423/A423M-19(2026)

Dátum vydania: 01.02.2026

Stránok: 3

Krajina: Americká technická norma

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Anotácia

This specification covers standards for minimum-wall-thickness, seamless, and electric-resistance welded low-alloy steel tubes to be used for pressure containing parts, that is economizers, and for other corrosion resistant applications. Steel tubes shall either be processed to hot or cold finish. All tubes shall be normalized or given such heat treatment as may be necessary to conform to the requirements of this specification. Chemical composition shall adhere to specified carbon, manganese, phosphorus, sulfur, silicon, copper, chromium, nickel, and molybdenum contents. Tension, flattening, flaring, flange, hardness, reverse flattening, and hydrostatic tests shall be performed. Tubes when inserted in the boiler shall stand expanding and bending without showing cracks or flaws. Tubes shall also conform to tensile strength, yield strength, hardness, and elongation requirements.


Keywords:
seamless steel tube, steel tube, alloy, welded steel tube,, ICS Number Code 23.040.10 (Iron and steel pipes)