ASTM B725-22

Standard Specification for Welded Nickel and Nickel Copper Alloy Pipe

ABSTRACT
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.
SCOPE
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.

General Information

• Status: Published
• Publication Date: 31-Mar-2022
• ICS: 77.120.40 - Nickel, chromium and their alloys
• Technical Committee: B02 - Nonferrous Metals and Alloys
• Drafting Committee: B02.07 - Refined Nickel and Cobalt and Their Alloys

Standards Content (Sample)

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.
Designation:B725 −22
Standard Specification for
1
Welded Nickel and Nickel Copper Alloy Pipe
This standard is issued under the fixed designation B725; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 2. Referenced Documents
2
1.1 This specification covers nickel (UNS N02200), low 2.1 ASTM Standards:
carbon nickel (UNS N02201) and nickel copper alloy (UNS B775 Specification for General Requirements for Nickel and
N04400) in the form of welded and annealed or welded and Nickel Alloy Welded Pipe
stress relieved pipe intended for general corrosive service and E8/E8M Test Methods for Tension Testing of Metallic Ma-
for mechanical applications. terials
E29 Practice for Using Significant Digits in Test Data to
1.2 This specification covers outside diameter and nominal
Determine Conformance with Specifications
wall pipe in Schedules 5S, 10S, and 40S through 30-in.
E39 Methods for Chemical Analysis of Nickel (Withdrawn
nominal pipe size shown in ANSI B36.19 (see Table 1) and
3
1995)
SpecificationB775(seeTable1).Pipehavingotherdimensions
E213 Practice for Ultrasonic Testing of Metal Pipe and
may be furnished provided such pipe complies with all other
Tubing
requirements of this specification.
E571 PracticeforElectromagnetic(Eddy-Current)Examina-
1.3 The values stated in inch-pound units are to be regarded
tion of Nickel and Nickel Alloy Tubular Products
as standard. The values given in parentheses are mathematical
4
2.2 ANSI Standards:
conversions to SI units that are provided for information only
B 1.20.1 Pipe Threads
and are not considered standard.
B 36.10 Welded and Seamless Wrought Steel Pipe
1.4 The following precautionary caveat pertains only to the
B 36.19 Stainless Steel Pipe
test methods portion, Section 13, of this specification: This 5
2.3 ASME Boiler and Pressure Vessel Code:
standard does not purport to address all of the safety problems,
Section IX Welding and Brazing Qualifications
if any, associated with its use. It is the responsibility of the user
of this standard to become familiar with all hazards including
3. Ordering Information
those identified in the appropriate Safety Data Sheet (SDS) for
3.1 Orders for material under this specification shall include
this product/material as provided by the manufacturer, to
the following information:
establish appropriate safety, health, and environmental
3.1.1 Alloy name or UNS number,
practices, and determine the applicability of regulatory limi-
3.1.2 ASTM designation and date of issue,
tations prior to use.
3.1.3 Condition (temper) (Table 2),
1.5 This international standard was developed in accor-
3.1.4 Dimensions:
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
mendations issued by the World Trade Organization Technical
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Barriers to Trade (TBT) Committee. Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3
The last approved version of this historical standard is referenced on
1
This specification is under the jurisdiction of ASTM Committee B02 on www.astm.org.
4
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
B02.07 on Refined Nickel and Cobalt and Their Alloys. 4th Floor, New York, NY 10036, http://www.ansi.org.
5
Current edition approved April 1, 2022. Published April 2022. Originally Available from American Society of Mechanical Engineers (ASME), ASME
approved in 1983. Last previous edition approved in 2018 as B725 – 18. DOI: International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
10.1520/B0725-22. www.asme.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B725−22
TABLE 1 Dimensions of Welded Pipe
NOTE 1—The following table is a partial reprint of Table 1 of ANSI B36.19.
NOTE 2—The decimal thicknesses listed for the respective pipe size represent their nominal wall dimensions.
Nominal Wall Thickness
Outside
Nominal Schedule Schedule Schedule Schedule
Diam
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B725 − 18 B725 − 22
Standard Specification for
Welded Nickel (UNS N02200/UNS N02201) and Nickel
1
Copper Alloy (UNS N04400) Pipe
This standard is issued under the fixed designation B725; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers nickel (UNS N02200) and N02200), low carbon nickel (UNS N02201 and 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 1213, 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.
2. Referenced Documents
2
2.1 ASTM Standards:
B775 Specification for General Requirements for Nickel and Nickel Alloy Welded Pipe
E8E8/E8M Test Methods for Tension Testing of Metallic Materials [Metric] E0008_E0008M
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
3
E39 Methods for Chemical Analysis of Nickel (Withdrawn 1995)
E213 Practice for Ultrasonic Testing of Metal Pipe and Tubing
E571 Practice for Electromagnetic (Eddy-Current) Examination of Nickel and Nickel Alloy Tubular Products
1
This specification is under the jurisdiction of ASTM Committee B02 on Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee B02.07 on Refined
Nickel and Cobalt and Their Alloys.
Current edition approved April 1, 2018April 1, 2022. Published April 2018April 2022. Originally approved in 1983. Last previous edition approved in 20142018 as
ɛ1
B725 – 05 (2014)B725 – 18. . DOI: 10.1520/B0725-18.10.1520/B0725-22.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced on www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B725 − 22
TABLE 1 Dimensions of Welded Pipe
NOTE 1—The following table is a partial reprint of Table 1 of ANSI B36.19.
NOTE 2—The decimal thicknesses listed for the respective pipe size represent their nominal wall dimensions.
Nominal Wall Thickness
Outside
Nominal Schedule Schedule Schedule Schedule
Diameter
A A
Pipe Size, in. 5S 10S 40S 80S
in. mm in. mm in. mm in. mm in. mm
1
⁄8 0.405 10.29 . . 0.049 1.245 0.068 1.727 0.095 2.41
1
⁄4 0.540 13.72 . . 0.065 1.651 0.088 2.235 0.119 3.02
3
⁄8 0.675 17.15 . 0.065 1.651 0.091 2.311 0.126 3.20
1
⁄2 0.840 21.34 0.065 1.651 0.083 2.108 0.109 2.768 0.147 3.73
3
⁄4 1.050 26.67 0.065 1.651 0.083 2.108 0.113 2.870 0.154 3.91
1 1.315 33.40 0.065 1.651 0.109 2.768 0.133 3.378 0.179 4.55
1
1 ⁄4 1.660
...