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ASTM B725-22

Current Revision

Standard Specification for Welded Nickel (UNS N02200/UNS N02201) and Nickel Copper Alloy (UNS N04400) Pipe

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1.1 This specification covers nickel (UNS N02200), low carbon nickel (UNS N02201) and nickel copper alloy (UNS N04400) in the form of welded and annealed or welded and stress relieved pipe intended for general corrosive service and for mechanical applications.

1.2 This specification covers outside diameter and nominal wall pipe in Schedules 5S, 10S, and 40S through 30-in. nominal pipe size shown in ANSI B36.19 (see Table 1) and Specification B775 (see Table 1). Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 The following precautionary caveat pertains only to the test methods portion, Section 13, of this specification: This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


This specification covers UNS N02200 nickel alloy and UNS N02201 and N04400 low carbon nickel alloy welded pipes intended for general corrosive service and for mechanical applications. Each pipe should either be welded and annealed or welded and stress relieved and made from the flat-rolled alloys by an automatic welding process without any filler metal additions. The pipes should also be cold worked after welding to ensure the development of optimum corrosion resistance in the weld area and base metal during the final heat treatment.


SDO ASTM: ASTM International
Document Number B725
Publication Date April 1, 2022
Language en - English
Page Count 6
Revision Level 22
Supercedes
Committee B02.07
Publish Date Document Id Type View
April 1, 2022 B0725-22 Revision
April 1, 2018 B0725-18 Revision
Oct. 1, 2014 B0725-05R14E01 Revision
May 1, 2005 B0725-05 Revision
Jan. 1, 1993 B0725-93 Revision
Oct. 1, 2014 B0725-05R14 Reaffirmation
Oct. 1, 2009 B0725-05R09 Reaffirmation
Nov. 1, 2003 B0725-93R03E01 Reaffirmation