Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube

ABSTRACT
This specification covers welded tubes made from nickel and nickel-cobalt alloys with UNS Nos. N10001, N10242, N10665, N12160, N10629, N10624, N10675, N10276, N06455, N06007, N06975, N08320, N06985, N06002, N06022, N06030, N06035, N06058, N06059, N06200, N06210, N08031, R30556, N06230, N06686, and R20033. These alloys are intended for heat exchanger and condenser tubes and tubes for general corrosive service for heat-resisting applications. The tubes shall be made from flat-rolled alloy by an automatic welding process with no addition of filler metal, and shall be furnished in the solution annealed and descaled conditions. Materials shall adhere to mechanical (tensile strength, yield strength, and elongation), chemical composition, flattening test, flange test, hydrostatic test, pneumatic test, and eddy current test requirements.
SCOPE
1.1 This specification covers welded tubes made from the nickel and nickel-cobalt alloys (UNS N10001, UNS N10242, UNS N10665, UNS N12160, UNS N10629, UNS N10624, UNS N10675, UNS N10276, UNS N06455, UNS N06007, UNS N06975, UNS N08320, UNS N06985, UNS N06002, UNS N06022, UNS N06030, UNS N06035, UNS N06044, UNS N06058, UNS N06059, UNS N06200, UNS N06617, UNS N10362, UNS N06210, UNS N08031, UNS N08034, UNS R30556, UNS N06230, UNS N06686, and UNS R20033)2 listed in Table 1 intended for heat exchanger and condenser tubes and tubes for general corrosive service for heat-resisting applications.
TABLE 1 Chemical Requirements    
Composition Limits, %  
Ni  
Cr  
Mo  
Fe  
W  
C  
Si
max  
Co  
Mn  
V  
P
max  
S
max  
Ti  
Cu  
Cb
(Nb)
+Ta  
Al  
Zr  
La  
N  
B  
Cb
(Nb)  
Ta  
Ni+
Mo  
Mg  
Ni-Mo Alloys  
N10001  
remainder  
1.0 max  
26.0- 30.0  
4.0-6.0  
...  
0.05 max  
1.0  
2.5 max  
1.0 max  
0.2- 0.4  
0.04  
0.03  
...  
...  
...  
N10665  
remainder  
1.0 max  
26.0- 30.0  
2.0 max  
...  
0.02 max  
0.10  
1.0 max  
1.0 max  
...  
0.04  
0.03  
...  
...  
...  
N10675  
65.0 min  
1.0- 3.0  
27.0- 32.0  
1.0-3.0  
3.0 max  
0.01 max  
0.10  
3.0 max  
3.0 max  
0.20 max  
0.030  
0.010  
0.20 max  
0.20 max  
...  
0.50 max  
0.10 max  
...  
...  
...  
0.20 max  
0.20 max  
94.0- 98.0  
N10629  
remainder  
0.5- 1.5  
26.0- 30.0  
1.0-6.0  
...  
0.01 max  
0.05  
2.5 max  
1.5 max  
...  
0.04  
0.01  
...  
0.5 max  
...  
0.1- 0.5  
...  
...  
...  
...  
...  
...  
...  
N10624  
remainder  
6.0- 10.0  
21.0- 25.0  
5.0-8.0  
...  
0.01 max  
0.10  
1.0 max  
1.0 max  
...  
0.025  
0.01  
...  
0.5 max  
...  
...  
...  
...  
...  
...  
...  
...  
...  
Ni-Mo-Cr-Fe Alloy  
N10242  
remainder  
7.0- 9.0  
24.0- 26.0  
2.0 max  
0.03 max  
0.80  
1.00 max  
0.80 max  
0.030  
0.015  
0.50 max  
0.50 max  
0.006 max  
Low C Ni-Cr-Mo Alloys  
N10276  
remainder  
14.5- 16.5  
15.0- 17.0  
4.0-7.0  
3.0- 4.5  
0.010 max  
0.08  
2.5 max  
1.0 max  
0.35 max  
0.04  
0.03  
...  
...  
...  
N06022  
remainder  
20.0- 22.5  
12.5- 14.5  
2.0-6.0  
2.5- 3.5  
0.015 max  
0.08  
2.5 max  
0.5 max  
0.35 max  
0.02  
0.02  
...  
...  
...  
N06035  
remainder  
32.25-
34.25  
7.60-
9.00  
2.00 max  
0.60 max  
0.0...

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:B626 −17a
Standard Specification for
1
Welded Nickel and Nickel-Cobalt Alloy Tube
This standard is issued under the fixed designation B626; 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
3
1.1 This specification covers welded tubes made from the 2.1 ASTM Standards:
nickel and nickel-cobalt alloys (UNS N10001, UNS N10242, B751 Specification for General Requirements for Nickel and
Nickel Alloy Welded Tube
UNS N10665, UNS N12160, UNS N10629, UNS N10624,
UNS N10675, UNS N10276, UNS N06455, UNS N06007, E527 Practice for Numbering Metals and Alloys in the
Unified Numbering System (UNS)
UNS N06975, UNS N08320, UNS N06985, UNS N06002,
UNS N06022, UNS N06030, UNS N06035, UNS N06044,
3. General Requirements
UNS N06058, UNS N06059, UNS N06200, UNS N06617,
UNS N10362, UNS N06210, UNS N08031, UNS N08034,
3.1 Material furnished in accordance with this specification
UNS R30556, UNS N06230, UNS N06686, and UNS
shall conform to the applicable requirements of the current
2
R20033) listed in Table 1 intended for heat exchanger and
edition of Specification B751 unless otherwise provided
condenser tubes and tubes for general corrosive service for
herein.
heat-resisting applications.
1 1
4. Classification
1.2 This specification covers tube ⁄8 to 3 ⁄2 in. (3.2 to 88.9
mm) in outside diameter and 0.015 to 0.148 in. (0.41 to 3.7
4.1 Five classes of tube are covered as follows:
mm) inclusive, in wall thickness.
4.1.1 Class IA—Welded, sized, solution annealed, and non-
destructively tested in accordance with 4.2.1.
1.3 The values stated in inch-pound units are to be regarded
4.1.2 Class IB—Welded, sized, and solution annealed.
as standard. The values given in parentheses are mathematical
4.1.3 Class IIA—Welded, cold worked, solution annealed,
conversions to SI units that are provided for information only
and nondestructively tested in accordance with 4.2.1.
and are not considered standard.
4.1.4 Class IIB—Welded, cold worked, and solution an-
1.4 This standard does not purport to address all of the
nealed.
safety concerns, if any, associated with its use. It is the
4.1.5 Class III—Welded, cold worked, solution annealed,
responsibility of the user of this standard to become familiar
and nondestructively tested in accordance with 4.2.2.
with all hazards including those identified in the appropriate
4.2 Nondestructive Tests:
Safety Data Sheet (SDS) for this product/material as provided
by the manufacturer, to establish appropriate safety, health and 4.2.1 Class IA and Class IIA Tubes—Each finished tube
shall be subjected to the hydrostatic test, the pneumatic test, or
environmental practices, and determine the applicability of
regulatory limitations prior to use. the eddy current test at the manufacturer’s option.
4.2.2 Class III Tubes—Each finished tube shall be subjected
1.5 This international standard was developed in accor-
to the pneumatic test and the eddy current test. Tubes larger
dance with internationally recognized principles on standard-
1
than 1 ⁄2 in. (38.1 mm) in outside diameter may be subjected to
ization established in the Decision on Principles for the
the hydrostatic test in lieu of the pneumatic test at the
Development of International Standards, Guides and Recom-
manufacturer’s option.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5. Ordering Information
5.1 It is the responsibility of the purchaser to specify all
1
requirements that are necessary for material ordered under this
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 July 1, 2017. Published August 2017. Originally
3
approved in 1977. Last previous edition approved in 2017 as B626 – 17. DOI: For referenced ASTM standards, visit the ASTM website, www.astm.org, or
10.1520/B0626-17a. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
New designations established in accordance with Practic E527 and SAE J1086, Standards volume information, refer to the standard’s Document Summary page on
Practice for Numbering Metals and Alloys (UNS). the ASTM website.
*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 ----------------------
B626−17a
2
TABLE 1 Chemical Requirements
Composition Limits, %
Cb
Si P S Cb Ni+
Ni
...

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: B626 − 17 B626 − 17a
Standard Specification for
1
Welded Nickel and Nickel-Cobalt Alloy Tube
This standard is issued under the fixed designation B626; 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 welded tubes made from the nickel and nickel-cobalt alloys (UNS N10001, UNS N10242, UNS
N10665, UNS N12160, UNS N10629, UNS N10624, UNS N10675, UNS N10276, UNS N06455, UNS N06007, UNS N06975,
UNS N08320, UNS N06985, UNS N06002, UNS N06022, UNS N06030, UNS N06035, UNS N06044, UNS N06058, UNS
N06059, UNS N06200, UNS N06617, UNS N10362, UNS N06210, UNS N08031, UNS N08034, UNS R30556, UNS N06230,
2
UNS N06686, and UNS R20033) listed in Table 1 intended for heat exchanger and condenser tubes and tubes for general
corrosive service for heat-resisting applications.
1 1
1.2 This specification covers tube ⁄8 to 3 ⁄2 in. (3.2 to 88.9 mm) in outside diameter and 0.015 to 0.148 in. (0.41 to 3.7 mm)
inclusive, in wall thickness.
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 This standard does not purport to address all of the safety concerns, 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 safety, health and healthenvi-
ronmental 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
3
2.1 ASTM Standards:
B751 Specification for General Requirements for Nickel and Nickel Alloy Welded Tube
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
3. General Requirements
3.1 Material furnished in accordance with this specification shall conform to the applicable requirements of the current edition
of Specification B751 unless otherwise provided herein.
4. Classification
4.1 Five classes of tube are covered as follows:
4.1.1 Class IA—Welded, sized, solution annealed, and nondestructively tested in accordance with 4.2.1.
4.1.2 Class IB—Welded, sized, and solution annealed.
4.1.3 Class IIA—Welded, cold worked, solution annealed, and nondestructively tested in accordance with 4.2.1.
4.1.4 Class IIB—Welded, cold worked, and solution annealed.
4.1.5 Class III—Welded, cold worked, solution annealed, and nondestructively tested in accordance with 4.2.2.
4.2 Nondestructive Tests:
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 June 1, 2017July 1, 2017. Published June 2017August 2017. Originally approved in 1977. Last previous edition approved in 20152017 as B626 –
15.17. DOI: 10.1520/B0626-17.10.1520/B0626-17a.
2
New designations established in accordance with Practic E527 and SAE J1086, Practice for Numbering Metals and Alloys (UNS).
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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 ----------------------
B626 − 17a
2
TABLE 1 Chemical Requirements
Composition Limits, %
Cb
Si P S Cb Ni+
Ni Cr Mo Fe W C Co Mn V Ti Cu (Nb) Al Zr La N B Ta Mg
max max max (Nb) Mo
+Ta
Ni-Mo Alloys
N10001 remainder 1.0 26.0- 4.0-6.0 . 0.05 1.0 2.5 1.0 0.2- 0.04 0.03 . . .
max 30.0 max max max 0.4
N10665 remainder 1.0 26.0- 2.0 max . 0.02 0.10
...

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