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ASTM A271-96

Current Revision

Standard Specification for Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service (Withdrawn 1999)

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1.1 This specification covers grades of minimum-wall-thickness, seamless, hot-finished and cold-finished, austenitic chromium-nickel steel still tubes as designated in Table 1 for use in carrying fluids at elevated temperatures and pressures in various types of heaters, in which the tubes may be subjected to a furnace temperature higher than that of the contained fluid.

1.2 The specification covers tubes 2 to 9 in., (50.8 to 228.6 mm) inclusive, in outside diameter and over 0.220 in. (5.59 mm) in minimum wall thickness.

1.3 Grades TP304H, TP321H, TP347H, and TP316H are modifications of Grades TP304, TP321, TP347 and TP316, and are intended for high-temperature service.

1.4 Optional supplementary requirements are provided, and when desired, shall be so stated in the order.

1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


SDO ASTM: ASTM International
Document Number A271
Publication Date Jan. 1, 1996
Language en - English
Page Count 4
Revision Level 96
Supercedes
Committee A01.10
Publish Date Document Id Type View
Jan. 1, 1996 A0271-96 Revision