ASTM B166-24
(Specification)Standard Specification for Nickel-Chromium-Aluminum Alloy, Nickel-Chromium-Iron Alloys, Nickel-Chromium-Cobalt-Molybdenum Alloy, Nickel-Iron-Chromium-Tungsten Alloy, and Nickel-Chromium-Molybdenum-Copper Alloy Rod, Bar, and Wire
Standard Specification for Nickel-Chromium-Aluminum Alloy, Nickel-Chromium-Iron Alloys, Nickel-Chromium-Cobalt-Molybdenum Alloy, Nickel-Iron-Chromium-Tungsten Alloy, and Nickel-Chromium-Molybdenum-Copper Alloy Rod, Bar, and Wire
ABSTRACT
This specification covers nickel-chromium-iron alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045, and N06696) and nickel-chromium-cobaltmolybdenum alloy (UNS N06617) in the form of hot-finished and cold-worked rounds, squares, hexagons, rectangles, and cold-worked wire. The material shall conform to the composition limits specified in a reference material. The material shall be uniform in quality and condition, smooth, commercially straight or flat, and free of injurious imperfections. Mechanical properties of the alloys like tensile strength, yield strength, elongation, and hardness shall be determined by tension and hardness tests.
SCOPE
1.1 This specification2 covers nickel-chromium-aluminum alloy, nickel-chromium-iron alloys,3 nickel-chromium-cobalt-molybdenum alloy, nickel-iron-chromium-tungsten alloy, and nickel-chromim-molybdenum-copper alloy in the form of hot-finished and cold-worked rounds, squares, hexagons, rectangles, and cold-worked wire.
1.2 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.
1.3 The following precautionary caveat pertains only to the test methods portion, Section 12, of this specification: 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.
1.4 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: B166 − 24
Standard Specification for
Nickel-Chromium-Aluminum Alloy, Nickel-Chromium-Iron
Alloys, Nickel-Chromium-Cobalt-Molybdenum Alloy, Nickel-
Iron-Chromium-Tungsten Alloy, and Nickel-Chromium-
1
Molybdenum-Copper Alloy Rod, Bar, and Wire
This standard is issued under the fixed designation B166; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* 2. Referenced Documents
2
4
1.1 This specification covers nickel-chromium-aluminum
2.1 ASTM Standards:
3
alloy, nickel-chromium-iron alloys, nickel-chromium-cobalt-
B168 Specification for Nickel-Chromium-Aluminum Alloys
molybdenum alloy, nickel-iron-chromium-tungsten alloy, and
(UNS N06699), Nickel-Chromium-Iron Alloys (UNS
nickel-chromim-molybdenum-copper alloy in the form of hot-
N06600, N06601, N06603, N06690, N06693, N06025,
finished and cold-worked rounds, squares, hexagons,
N06045, and N06696), Nickel-Chromium-Cobalt-
rectangles, and cold-worked wire.
Molybdenum Alloy (UNS N06617), Nickel-Iron-
Chromium-Tungsten Alloy (UNS N06674), and
1.2 The values stated in inch-pound units are to be regarded
B880 Specification for General Requirements for Chemical
as standard. The values given in parentheses are mathematical
Check Analysis Limits for Nickel, Nickel Alloys and
conversions to SI units that are provided for information only
and are not considered standard. Cobalt Alloys
B899 Terminology Relating to Non-ferrous Metals and Al-
1.3 The following precautionary caveat pertains only to the
loys
test methods portion, Section 12, of this specification: This
E8/E8M Test Methods for Tension Testing of Metallic Ma-
standard does not purport to address all of the safety concerns,
terials
if any, associated with its use. It is the responsibility of the user
E18 Test Methods for Rockwell Hardness of Metallic Ma-
of this standard to become familiar with all hazards including
terials
those identified in the appropriate Safety Data Sheet (SDS) for
E29 Practice for Using Significant Digits in Test Data to
this product/material as provided by the manufacturer, to
Determine Conformance with Specifications
establish appropriate safety, health, and environmental prac-
E38 Methods for Chemical Analysis of Nickel-Chromium
tices and determine the applicability of regulatory limitations
5
prior to use. and Nickel-Chromium-Iron Alloys (Withdrawn 1989)
E112 Test Methods for Determining Average Grain Size
1.4 This international standard was developed in accor-
E140 Hardness Conversion Tables for Metals Relationship
dance with internationally recognized principles on standard-
Among Brinell Hardness, Vickers Hardness, Rockwell
ization established in the Decision on Principles for the
Hardness, Superficial Hardness, Knoop Hardness, Sclero-
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical scope Hardness, and Leeb Hardness
Barriers to Trade (TBT) Committee.
E527 Practice for Numbering Metals and Alloys in the
Unified Numbering System (UNS)
E1473 Test Methods for Chemical Analysis of Nickel,
Cobalt, and High-Temperature Alloys
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, 2024. Published April 2024. Originally
4
approved in 1941. Last previous edition approved in 2019 as B166 – 19. DOI: For referenced ASTM standards, visit the ASTM website, www.astm.org, or
10.1520/B0166-24. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
For ASME Boiler and Pressure Vessel Code application see related Specifica- Standards volume information, refer to the standard’s Document Summary page on
tion SB-166 in Section II of that Code. the ASTM website.
3 5
Designation established in accordance with Practice E527 and SAE J1086, The last approved version of this historical standard is referenced on
Practice for Numbering Metals and Alloys (UNS). 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 ----------------------
B166 − 24
6
2.2 Federal Standards: 5. Chemical Composition
Fed. Std. No. 102 P
...
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: B166 − 19 B166 − 24
Standard Specification for
Nickel-Chromium-Aluminum Alloy, Nickel-Chromium-Iron
Alloys, Nickel-Chromium-Cobalt-Molybdenum Alloy, Nickel-
Iron-Chromium-Tungsten Alloy, and Nickel-Chromium-
1
Molybdenum-Copper Alloy Rod, Bar, and Wire
This standard is issued under the fixed designation B166; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
2 3
1.1 This specification covers nickel-chromium-aluminum alloy, nickel-chromium-iron alloys, nickel-chromium-cobalt-
molybdenum alloy, nickel-iron-chromium-tungsten alloy, and nickel-chromim-molybdenum-copper alloy in the form of hot-
finished and cold-worked rounds, squares, hexagons, rectangles, and cold-worked wire.
1.2 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.
1.3 The following precautionary caveat pertains only to the test methods portion, Section 12, of this specification: 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.
1.4 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
4
2.1 ASTM Standards:
B168 Specification for Nickel-Chromium-Aluminum Alloys (UNS N06699), Nickel-Chromium-Iron Alloys (UNS N06600,
N06601, N06603, N06690, N06693, N06025, N06045, and N06696), Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS
N06617), Nickel-Iron-Chromium-Tungsten Alloy (UNS N06674), and
B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys
B899 Terminology Relating to Non-ferrous Metals and Alloys
E8/E8M Test Methods for Tension Testing of Metallic Materials
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, 2019April 1, 2024. Published May 2019April 2024. Originally approved in 1941. Last previous edition approved in 20182019 as
B166 – 18.B166 – 19. DOI: 10.1520/B0166-18.10.1520/B0166-24.
2
For ASME Boiler and Pressure Vessel Code application see related Specification SB-166 in Section II of that Code.
3
Designation established in accordance with Practice E527 and SAE J1086, Practice for Numbering Metals and Alloys (UNS).
4
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 ----------------------
B166 − 24
E18 Test Methods for Rockwell Hardness of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
5
E38 Methods for Chemical Analysis of Nickel-Chromium and Nickel-Chromium-Iron Alloys (Withdrawn 1989)
E112 Test Methods for Determining Average Grain Size
E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness,
Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperatur
...
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