ASTM B751-08

This document is not anASTM standard and is intended only to provide the user of anASTM 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:B751–03 Designation: B 751 – 08
Standard Specification for
General Requirements for Nickel and Nickel Alloy Welded
1
Tube
This standard is issued under the fixed designation B 751; 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 contains various requirements that, with the exception of Sections 6 and 7, are mandatory requirements
to the following ASTM nickel and nickel alloy, longitudinally welded tubular product specifications:
ASTM
Title of Specification
2,3
Designation
ASTM
Title of Specification
Designation
Welded UNS N08020, N08024, and UNS N08026 Alloy Tubes B 468
Welded UNS N08120, UNS N08800, UNS N08810, UNS B 515
N08811 Alloy Tubes
Welded Nickel-Chromium-Iron Alloy (UNS N06600, UNS B 516
N06603, UNS N06025, and UNS N06045) Tubes
Welded Nickel and Nickel-Cobalt Alloy Tube B 626
UNS N08904, UNS N08925, and UNS N08926 Welded Tube B 674
UNS N08366 and UNS N08367 Welded Tube B 676
Welded UNS N06625, N06219, and N08825 Alloy Tubes B 704
Ni-Cr-Mo-Co-W-Fe-Si Alloy (UNS N06333) Welded Tube B 726
Welded Nickel (UNS N02200/UNS N02201) and Nickel Cop- B 730
per Alloy (UNS N04400) Tube
1.2 One or more of the test requirements of Section 6 apply only if specifically stated in the product specification or in the
purchase order.
1.3 In case of conflict between a requirement of the product specification and a requirement of this general specification, only
the requirement of the product specification need be satisfied.
1.4The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information
only.
1.4 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.
1.5 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 Material Safety Data
Sheetforthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddetermine
the applicability of regulatory limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
B 468 Specification for Welded UNS N08020, N08024, and N08026 Alloy Tubes
B 515 Specification for Welded UNS N08120, UNS N08800, UNS N08810, and UNS N08811 Alloy Tubes
B 516 Specification for Welded Nickel-Chromium-IronAlloy (UNS N06600, UNS N06603, UNS N06025, and UNS N06045)
Tubes
B 626 Specification for Welded Nickel and Nickel-Cobalt Alloy Tube
B 674 Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Tube
B 676 Specification for UNS N08367 Welded Tube
B 704 Specification for Welded UNS N06625, UNS N06219 and UNS N08825 Alloy Tubes
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB02onNonferrousMetalsandAlloysandisthedirectresponsibilityofSubcommitteeB02.07onRefined
Nickel and Cobalt and Their Alloys.
Current edition approved June 10, 2003. Published July2003. Originally approved in 1985. Last previous edition approved in 2002 as B751-02.
Current edition approved Nov. 1, 2008. Published November 2008. Originally approved in 1985. Last previous edition approved in 2003 as B 751 - 03.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 02.04.volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
B751–08
A,B
TABLE 1 Permissible Variations for Outside Diameter and Wall Thickness of Welded Tube
Permissible Variations
Thickness of
Specified Outside Diameter Outside Diameter of Thickness of
Specified Minimum Wall,%
Specified Nominal Wall, %
in. (mm) + − + − + −
5
Over 0.125 (3.2) to ⁄8 (16), excl 0.004 (0.13) 0.005 (0.10) 12.5 12.5 28 0
5 1
⁄8 (16) to 1 ⁄2 (38), incl 0.0075 (0.19) 0.0075 (0.19) 12.5 12.5 28 0
1
Over 1 ⁄2 (38) to 3 (76), incl 0.010 (0.25) 0.010 (0.25) 12.5 12.5 28 0
1
Over 3 (76) to 4 ⁄2 (114), incl 0.015 (0.38) 0.015 (0.38) 12.5 12.5
...

This document is not anASTM standard and is intended only to provide the user of anASTM 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:B751–03 Designation: B 751 – 08
Standard Specification for
General Requirements for Nickel and Nickel Alloy Welded
1
Tube
This standard is issued under the fixed designation B 751; 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 contains various requirements that, with the exception of Sections 6 and 7, are mandatory requirements
to the following ASTM nickel and nickel alloy, longitudinally welded tubular product specifications:
ASTM
Title of Specification
2,3
Designation
ASTM
Title of Specification
Designation
Welded UNS N08020, N08024, and UNS N08026 Alloy Tubes B 468
Welded UNS N08120, UNS N08800, UNS N08810, UNS B 515
N08811 Alloy Tubes
Welded Nickel-Chromium-Iron Alloy (UNS N06600, UNS B 516
N06603, UNS N06025, and UNS N06045) Tubes
Welded Nickel and Nickel-Cobalt Alloy Tube B 626
UNS N08904, UNS N08925, and UNS N08926 Welded Tube B 674
UNS N08366 and UNS N08367 Welded Tube B 676
Welded UNS N06625, N06219, and N08825 Alloy Tubes B 704
Ni-Cr-Mo-Co-W-Fe-Si Alloy (UNS N06333) Welded Tube B 726
Welded Nickel (UNS N02200/UNS N02201) and Nickel Cop- B 730
per Alloy (UNS N04400) Tube
1.2 One or more of the test requirements of Section 6 apply only if specifically stated in the product specification or in the
purchase order.
1.3 In case of conflict between a requirement of the product specification and a requirement of this general specification, only
the requirement of the product specification need be satisfied.
1.4The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information
only.
1.4 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.
1.5 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 Material Safety Data
Sheetforthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddetermine
the applicability of regulatory limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
2
B880Specification for General Requirements for Chemical CheckAnalysis Limits for Nickel, NickelAlloys and CobaltAlloys
468 Specification for Welded UNS N08020, N08024, and N08026 Alloy Tubes
B 515 Specification for Welded UNS N08120, UNS N08800, UNS N08810, and UNS N08811 Alloy Tubes
B 516 Specification for Welded Nickel-Chromium-IronAlloy (UNS N06600, UNS N06603, UNS N06025, and UNS N06045)
Tubes
B 626 Specification for Welded Nickel and Nickel-Cobalt Alloy Tube
B 674 Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Tube
B 676 Specification for UNS N08367 Welded Tube
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB02onNonferrousMetalsandAlloysandisthedirectresponsibilityofSubcommitteeB02.07onRefined
Nickel and Cobalt and Their Alloys.
Current edition approved June 10, 2003. Published July2003. Originally approved in 1985. Last previous edition approved in 2002 as B751-02.
Current edition approved Nov. 1, 2008. Published November 2008. Originally approved in 1985. Last previous edition approved in 2003 as B 751 - 03.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 02.04.volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
B751–08
A,B
TABLE 1 Permissible Variations for Outside Diameter and Wall Thickness of Welded Tube
Permissible Variations
Thickness of
Specified Outside Diameter Outside Diameter of Thickness of
Specified Minimum Wall,%
Specified Nominal Wall, %
in. (mm) + − + − + −
5
Over 0.125 (3.2) to ⁄8 (16), excl 0.004 (0.13) 0.005 (0.10) 12.5 12.5 28 0
5 1
⁄8 (16) to 1 ⁄2 (38), incl 0.0075 (0.19) 0.0075 (0.19) 12.5 12.5 28 0
1
Over 1 ⁄2 (38) to 3 (76), incl 0.010 (0.25) 0.010 (0.25) 12.5 12.5 28 0
1
Over 3 (76) to 4 ⁄2 (114), inc
...