ASTM B516-24
(Specification)Standard Specification for Welded Nickel-Chromium-Aluminum Alloy and Nickel-Chromium-Iron Alloy Tubes
Standard Specification for Welded Nickel-Chromium-Aluminum Alloy and Nickel-Chromium-Iron Alloy Tubes
ABSTRACT
This specification covers the standard requirements for welded nickel-chromium-iron alloy (UNS N06600, UNS N06603, UNS N06025, and UNS N06045) boiler, heat exchanger, and condenser tubes for use in general corrosion resisting and low- or high-temperature services. Tube shall be made from flat-rolled alloy by an automatic welding process with no addition or filler metal and shall be furnished with the oxide removed. The material shall undergo cold working in either the weld metal only or both weld and base metal subsequent to welding and prior to final annealing. The tubes shall be subjected to flattening test to check for superficial ruptures resulting from surface imperfections, flange test, and one of the following nondestructive tests: hydrostatic or pneumatic (air underwater) for leak testing and eddy current or ultrasonic for electric testing. The material shall conform to the chemical composition limits for nickel, chromium, iron, manganese, carbon, copper, silicon, sulfur, aluminum, titanium, phosphorus, zirconium, yttrium, and cerium. Tensile strength, yield strength, and elongation shall also meet the mechanical property requirements.
SCOPE
1.1 This specification covers welded UNS N06600,2 N06601, N06603, N06025, N06045, UNS N06690, UNS N06693, and UNS N06699 alloy boiler, heat exchanger, and condenser tubes for general corrosion resisting and low or high-temperature service.
1.2 This specification covers tubes 1/8 in. to 5 in. (3.18 mm to 127 mm), inclusive, in outside diameter and 0.015 in. to 0.500 in. (0.38 mm to 12.70 mm), inclusive, in wall thickness. Table 2 of Specification B751 lists the dimensional requirements of these sizes. Tubes having other dimensions may be furnished provided such tubing 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 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, 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.
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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: B516 − 24
Standard Specification for
Welded Nickel-Chromium-Aluminum Alloy and Nickel-
1
Chromium-Iron Alloy Tubes
This standard is issued under the fixed designation B516; 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
2
2.1 ASTM Standards:
1.1 This specification covers welded UNS N06600,
B751 Specification for General Requirements for Nickel and
N06601, N06603, N06025, N06045, UNS N06690, UNS
Nickel Alloy Welded Tube
N06693, and UNS N06699 alloy boiler, heat exchanger, and
B899 Terminology Relating to Non-ferrous Metals and Al-
condenser tubes for general corrosion resisting and low or
loys
high-temperature service.
3. Terminology
1
1.2 This specification covers tubes ⁄8 in. to 5 in. (3.18 mm
to 127 mm), inclusive, in outside diameter and 0.015 in. to
3.1 Definitions:
0.500 in. (0.38 mm to 12.70 mm), inclusive, in wall thickness. 3.1.1 For definitions of terms used in this specification, refer
Table 2 of Specification B751 lists the dimensional require- to Terminology B899.
3.1.2 In case of conflict between the definitions of this
ments of these sizes. Tubes having other dimensions may be
specification and Terminology B899, this specification shall
furnished provided such tubing complies with all other require-
prevail.
ments of this specification.
1.3 The values stated in inch-pound units are to be regarded 4. Ordering Information
as standard. The values given in parentheses are mathematical
4.1 It is the responsibility of the purchaser to specify all
conversions to SI units that are provided for information only
requirements that are necessary for the safe and satisfactory
and are not considered standard.
performance of material ordered under this specification.
Examples of such requirements include, but are not limited to,
1.4 This standard does not purport to address all of the
the following:
safety concerns, if any, associated with its use. It is the
4.1.1 Quantity (feet or number of lengths),
responsibility of the user of this standard to become familiar
4.1.2 UNS number,
with all hazards including those identified in the appropriate
4.1.3 Size (outside diameter minimum or average wall
Safety Data Sheet (SDS) for this product/material as provided
thickness),
by the manufacturer, to establish appropriate safety, health,
4.1.4 Length (random or specific),
and environmental practices, and determine the applicability
4.1.5 Class,
of regulatory limitations prior to use.
4.1.6 ASTM designation,
1.5 This international standard was developed in accor-
4.1.7 Product Analysis—State if required, and
dance with internationally recognized principles on standard-
4.1.8 Purchaser Inspection—State which tests or inspec-
ization established in the Decision on Principles for the
tions are to be witnessed, if any.
Development of International Standards, Guides and Recom-
5. Material and Manufacture
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5.1 Tube shall be made from flat-rolled alloy by an auto-
matic welding process with no addition or filler metal. Subse-
quent to welding and prior to final annealing, the material shall
1
be cold-worked in either the weld metal only or both weld and
This specification is under the jurisdiction of ASTM Committee B02 on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
base metal.
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved April 1, 2024. Published April 2024. Originally
3
approved in 1970. Last previous edition approved in 2018 as B516 – 18. DOI: For referenced ASTM standards, visit the ASTM website, www.astm.org, or
10.1520/B0516-24. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
Designation established in accordance with ASTM 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 ----------------------
B516 − 24
A
TABLE 1 Chemical Requirements
Composition Limits, %
Element
N06600 N06601 N06603 N06025 N06045 N06690 N06693 N06699
B
Nickel 72.0 min 58.0-63.0 Bal Bal 45.0 min 58.0 min Bal Bal
Chromium 14.0 min 21.0-25.0 24.0–26
...
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: B516 − 18 B516 − 24
Standard Specification for
Welded Nickel-Chromium-Aluminum Alloy (UNS N06699)
and Nickel-Chromium-Iron Alloy (UNS N06600, UNS N06601,
UNS N06603, UNS N06025, UNS N06045, UNS N06690, and
1
UNS N06693) Tubes
This standard is issued under the fixed designation B516; 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
1.1 This specification covers welded UNS N06600, N06601, N06603, N06025, N06045, UNS N06690, UNS N06693, and UNS
N06699 alloy boiler, heat exchanger, and condenser tubes for general corrosion resisting and low or high-temperature service.
1
1.2 This specification covers tubes ⁄8 in. to 5 in. (3.18 to 127 mm), (3.18 mm to 127 mm), inclusive, in outside diameter and
0.0150.015 in. to 0.500 in. (0.38(0.38 mm to 12.70 mm), inclusive, in wall thickness. Table 2 of Specification B751 lists the
dimensional requirements of these sizes. Tubes having other dimensions may be furnished provided such tubing 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 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, 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
3
2.1 ASTM Standards:
B751 Specification for General Requirements for Nickel and Nickel Alloy Welded Tube
B899 Terminology Relating to Non-ferrous Metals and Alloys
3. Terminology
3.1 Terms defined in Terminology B899 shall apply unless defined otherwise in this standard.
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 Nov. 1, 2018April 1, 2024. Published November 2018April 2024. Originally approved in 1970. Last previous edition approved in 20152018 as
B516B516 – 18. – 15. DOI: 10.1520/B0516-18. DOI: 10.1520/B0516-24.
2
Designation established in accordance with ASTM 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 ----------------------
B516 − 24
3.1 Definitions:
3.1.1 For definitions of terms used in this specification, refer to Terminology B899.
3.1.2 In case of conflict between the definitions of this specification and Terminology B899, this specification shall prevail.
4. Ordering Information
4.1 It is the responsibility of the purchaser to specify all requirements that are necessary for the safe and satisfactory performance
of material ordered under this specification. Examples of such requirements include, but are not limited to, the following:
4.1.1 Quantity (feet or number of lengths),
4.1.2 UNS number,
4.1.3 Size (outside diameter minimum or average wall thickness),
4.1.4 Length (random or specific),
4.1.5 Class,
4.1.6 ASTM designation,
4.1.7 Product Analysis—State if required, and
4.1.8 Certification—State if a certification or a report of test results is required, and
4.1.8 Purchaser Inspection—State which tests or inspections are to be witnessed, if any.
A
TABLE 1 Che
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