ASTM A1098/A1098M-18(2022)

Podrobné informácie

Označenie: ASTM A1098/A1098M-18(2022)

Dátum vydania: 01.09.2022

Stránok: 10

Krajina: Americká technická norma

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Anotácia

This specification applies to average or minimum-wall thickness welded tubes made from various grades of austenitic alloy steel materials in which the external tube surface, internal tube surface, or both internal and external tube surfaces have a textured configuration for improved heat transfer or fluid flow or both. Texture surface(s) are produced by cold forming a specified configuration on the surface(s) of base strip material, prior to welding. The produced welded textured tubes may be used in boilers, superheaters, condensers, evaporators, heat exchangers, and other similar heat transfer apparatus in diameters up to and including 1.5 in. [38 mm] for various wall thicknesses up to and including 0.079 in. [2 mm].


Keywords:
alloy steel tube, austenitic stainless steel, boiler tubes, condenser tube, duplex stainless steel, feedwater heater tubes, ferritic stainless steel, heat exchanger tube, high-temperature applications, stainless steel tube, steel tube, superheater tube, temperature service applications—high, textured and untextured sections, textured character units, textured configuration, textured heat transfer tube, textured lengths, textured surface, textured surface strip material, textured tubes