Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service

ABSTRACT
This specification covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for high-temperature service. Chemical analysis shall be performed on the alloy and shall conform to the chemical composition requirement in carbon, manganese, silicon, phosphorus, sulfur, chromium, cobalt, molybdenum, columbium, tantalum, titanium, aluminum, zirconium, boron, iron, copper, and nickel. The material shall follow recommended annealing treatment, solution treatment, stabilizing treatment, and precipitation hardening treatment. Tension testing, hardness testing and stress-rupture testing shall be performed on the material and shall comply to the required tensile strength, yield strength, elongation, reduction in area, and Brinell hardness.
SCOPE
1.1 This specification2 covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for moderate or high temperature service (Table 1). (A) If determined.(B) The element shall be determined arithmetically by difference.  
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 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 and health practices, and determine the applicability of regulatory limitations prior to use.

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ASTM B637-15 - Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
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REDLINE ASTM B637-15 - Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
English language
7 pages
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:B637 −15
StandardSpecification for
Precipitation-Hardening and Cold Worked Nickel Alloy Bars,
Forgings, and Forging Stock for Moderate or High
1
Temperature Service
This standard is issued under the fixed designation B637; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber 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 E1473Test Methods for Chemical Analysis of Nickel,
2 Cobalt, and High-Temperature Alloys
1.1 This specification covers hot- and cold-worked
precipitation-hardenable nickel alloy rod, bar, forgings, and
3. Terminology
forging stock for moderate or high temperature service (Table
1). 3.1 Definitions:
3.1.1 bar, n—material of rectangular (flats), hexagonal,
1.2 The values stated in inch-pound units are to be regarded
octagonal, or square solid section in straight lengths.
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
3.1.2 rod, n—material of round solid section furnished in
and are not considered standard. straight lengths.
1.3 This standard does not purport to address all of the
4. Ordering Information
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to become familiar
4.1 It is the responsibility of the purchaser to specify all
with all hazards including those identified in the appropriate
requirements that are necessary for material ordered under this
Safety Data Sheet (SDS) for this product/material as provided
specification. Examples of such requirements include, but are
by the manufacturer, to establish appropriate safety and health
not limited to, the following:
practices, and determine the applicability of regulatory limi-
4.1.1 Alloy (Table 1).
tations prior to use.
4.1.2 Condition (temper or cold worked) (Tables 2 and 3
and 6.1).
2. Referenced Documents
4.1.3 Shape—Rod or bar (round, rectangle, square,
3
2.1 ASTM Standards:
hexagon, octagon).
B880Specification for General Requirements for Chemical
4.1.3.1 Forging (sketch or drawing).
Check Analysis Limits for Nickel, Nickel Alloys and
4.1.4 Dimensions, including length.
Cobalt Alloys
4.1.5 Quantity (mass or number of pieces).
E8Test Methods for Tension Testing of Metallic Materials
4.1.6 Forging Stock—Specify if material is stock for reforg-
E29Practice for Using Significant Digits in Test Data to
ing.
Determine Conformance with Specifications
4.1.7 Finish.
E139Test Methods for Conducting Creep, Creep-Rupture,
4.1.8 Certification—State if certification is required (Sec-
and Stress-Rupture Tests of Metallic Materials
tion 15).
4.1.9 Samples for Product (Check) Analysis—Whether
1
This specification is under the jurisdiction of ASTM Committee B02 on
samples for product (check) analysis shall be furnished (9.2).
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
4.1.10 Purchaser Inspection—If the purchaser wishes to
B02.07 on Refined Nickel and Cobalt and Their Alloys.
witness tests or inspection of material at the place of
Current edition approved Oct. 1, 2015. Published November 2015. Originally
ɛ1
approved in 1970. Last previous edition addition approved in 2012 as B637–12 .
manufacture,thepurchaseordermustsostateindicatingwhich
DOI: 10.1520/B0637-15.
tests or inspections are to be witnessed (Section 13).
2
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
cation SB-637 in Section II of that Code.
3
5. Chemical Composition
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
5.1 The material shall conform to the requirements as to
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. chemical composition prescribed in Table 1.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B637−15
TABLE 1 Chemical Requirements
Element Composition Limits, %
UNS N07252 UNS N07001 UNS N07500 UNS N07750 UNS N07718
UNS N07022 UNS N07208 (Formerly (Formerly (Formerly (Formerly (Formerly
Grade 689) Grade 685) Grade 684) Grade 688) Grade 718)
Carbon 0.010 max 0.04–0.08 0.10–0.20 0.03–0.10 0.15 max 0.08 max 0.08 max
Manganese 0.5 max 0.3 max 0.50 max 1.00 max 0.75 max 1.00 max 0.35 max
Silicon 0.08 max 0.15 max 0.50 max 0.75 max 0.75 max 0.50 max 0.35 max
Phosphorus 0.025 max 0.015 max 0.015 max 0.030 max 0.015 max . 0.015 max
Sulfur 0.015 max 0.015 max 0.015 max 0.0
...

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.
´1
Designation: B637 − 12 B637 − 15
Standard Specification for
Precipitation-Hardening and Cold Worked Nickel Alloy Bars,
Forgings, and Forging Stock for Moderate or High
1
Temperature Service
This standard is issued under the fixed designation B637; 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
ε NOTE—Vanadium content for UNS N07752 in Table 1 was corrected editorially in November 2012.
1. Scope
2
1.1 This specification covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock
for moderate or high temperature service (Table 1).
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 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
Sheet (MSDS)(SDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices,
and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents
3
2.1 ASTM Standards:
B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys
E8 Test Methods for Tension Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E139 Test Methods for Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials
E1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys
3. Terminology
3.1 Definitions:
3.1.1 bar, n—material of rectangular (flats), hexagonal, octagonal, or square solid section in straight lengths.
3.1.2 rod, n—material of round solid section furnished in straight lengths.
4. Ordering Information
4.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under this
specification. Examples of such requirements include, but are not limited to, the following:
4.1.1 Alloy (Table 1).
4.1.2 Condition (temper or cold worked) (Tables 2 and 3 and 6.1).
4.1.3 Shape—Rod or bar (round, rectangle, square, hexagon, octagon).
4.1.3.1 Forging (sketch or drawing).
4.1.4 Dimensions, including length.
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 May 1, 2012Oct. 1, 2015. Published May 2012November 2015. Originally approved in 1970. Last previous edition addition approved in
ɛ1
20112012 as B637 – 06 (2011).B637 –12 . DOI: 10.1520/B0637–12E01.10.1520/B0637-15.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specification SB-637 in Section II of that Code.
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’sstandard’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 ----------------------
B637 − 15
TABLE 1 Chemical Requirements
Element Composition Limits, %
UNS N07252 UNS N07001 UNS N07500 UNS N07750 UNS N07718
UNS N07022 UNS N07208 (Formerly (Formerly (Formerly (Formerly (Formerly
Grade 689) Grade 685) Grade 684) Grade 688) Grade 718)
UNS N07252 UNS N07001 UNS N07500 UNS N07750 UNS N07718
UNS N07022 UNS N07208 (Formerly (Formerly (Formerly (Formerly (Formerly
Grade 689) Grade 685) Grade 684) Grade 688) Grade 718)
Carbon 0.010 max 0.04–0.08 0.10–0.20 0.03–0.10 0.15 max 0.08 max 0.08 max
Manganese 0.5 max 0.3 max 0.50 max 1.00 max 0.75 max 1.00 max 0.35 max
Silicon 0.08 max 0.15 max 0.50 max 0.75 max 0.75 max 0.50 max 0.35 max
Phosphorus 0.025 max 0.015 max 0.015 max 0.030 max 0.015 max . 0.015 max
Sulfur 0.015 max 0.015 max
...

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