ASTM-A688 Historical Revision Information
Standard Specification for Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes

ASTM-A688 - 1990A EDITION - SUPERSEDED
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Standard Specification for Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes
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Scope

1.1 This specification covers welded austenitic stainless steel feedwater heater tubes including those bent, if specified, into the form of U-tubes for application in tubular feed-water heaters.

1.2 The tubing sizes covered shall be 5/8 to 1 in. [15.9 to 25.4 mm] inclusive outside diameter, and average or minimum wall thicknesses of 0.028 in. [0.7 mm] and heavier.

1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Keywords

austenitic stainless steel; feedwater heater tubes; stainless steel tube; steel tube; welded steel tube; ICS Number Code 23.040.10 (Iron and steel pipes)

To find similar documents by ASTM Volume:

01.01 (Steel--Piping, Tubing, Fittings)

To find similar documents by classification:

23.040.10 (Iron and steel pipes Steel pipes and tubes for specific use, see 77.140.75)

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Document Number

ASTM-A688-90a

Revision Level

1990A EDITION

Status

Superseded

Modification Type

Revision

Publication Date

July 27, 1990

Document Type

Specification

Page Count

6 pages

Committee Number

A01.10