ASTM B637-03

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

SCOPE
1.1 This specification covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for high-temperature service (Table 1).
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in brackets are for information only.
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 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.

General Information

• Status: Historical
• Publication Date: 09-Jun-2003
• ICS: 77.150.40 - Nickel and chromium products
• Technical Committee: B02 - Nonferrous Metals and Alloys
• Drafting Committee: B02.07 - Refined Nickel and Cobalt and Their Alloys

Relations

• Replaces: ASTM B637-98 - Standard Specification for Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock for High-Temperature Service
• Effective Date: 10-Jun-2003
• Replaced By: ASTM B637-06 - Standard Specification for Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock for High-Temperature Service
• Effective Date: 01-Dec-2006
• Referred By: ASTM F2281-04(2017) - Standard Specification for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications
• Effective Date: 10-Jun-2003
• Referred By: ASTM B670-07(2018) - Standard Specification for Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
• Effective Date: 10-Jun-2003
• Referred By: ASTM F1370-92(2019)e1 - Standard Specification for Pressure-Reducing Valves for Water Systems, Shipboard
• Effective Date: 10-Jun-2003
• Referred By: ASTM F1508-96(2021) - Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services
• Effective Date: 10-Jun-2003
• Referred By: ASTM F1276-23 - Standard Test Method for Creep Relaxation of Laminated Composite Gasket Materials
• Effective Date: 10-Jun-2003
• Referred By: ASTM F38-18 - Standard Test Methods for Creep Relaxation of a Gasket Material
• Effective Date: 10-Jun-2003
• Referred By: ASTM F1511-18(2023) - Standard Specification for Mechanical Seals for Shipboard Pump Applications
• Effective Date: 10-Jun-2003
• Referred By: ASTM A1014/A1014M-16(2021) - Standard Specification for Precipitation-Hardening Bolting (UNS N07718) for High Temperature Service
• Effective Date: 10-Jun-2003

Standards Content (Sample)

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: B 637 – 03
Standard Specification for
Precipitation-Hardening Nickel Alloy Bars, Forgings, and
1
Forging Stock for High-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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3. Terminology
2
1.1 This specification covers hot- and cold-worked 3.1 Definitions:
precipitation-hardenable nickel alloy rod, bar, forgings, and 3.1.1 bar—material of rectangular (flats), hexagonal, oc-
forging stock for high-temperature service (Table 1). tagonal, or square solid section in straight lengths.
1.2 The values stated in inch-pound units are to be regarded 3.1.2 rod—material of round solid section furnished in
as the standard. The values given in brackets are for informa- straight lengths.
tion only.
4. Ordering Information
1.3 This standard does not purport to address all of the
4.1 It is the responsibility of the purchaser to specify all
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to become familiar requirements that are necessary for material ordered under this
specification. Examples of such requirements include, but are
with all hazards including those identified in the appropriate
Material Safety Data Sheet for this product/material as pro- not limited to, the following:
4.1.1 Alloy (Table 1).
vided by the manufacturer, to establish appropriate safety and
health practices, and determine the applicability of regulatory 4.1.2 Condition (temper) (Table 2).
4.1.3 Shape—Rod or bar (round, rectangle, square, hexa-
limitations prior to use.
gon, octagon).
2. Referenced Documents
4.1.3.1 Forging (sketch or drawing).
2.1 ASTM Standards: 4.1.4 Dimensions, including length.
B880 SpecificationforGeneralRequirementsforChemical 4.1.5 Quantity (mass or number of pieces).
Analysis Limits for Nickel, Nickel Alloys and Cobalt 4.1.6 Forging Stock—Specifyifmaterialisstockforreforg-
3
Alloys ing.
4
E8 TestMethodsforTensionTestingofMetallicMaterials 4.1.7 Finish.
E29 Practice for Using Significant Digits in Test Data to 4.1.8 Certification—State if certification is required (Sec-
5
Determine Conformance with Specifications tion 15).
E139 Test Methods for Conducting Creep, Creep-Rupture, 4.1.9 Samples for Product (Check) Analysis—Whether
4
and Stress-Rupture Tests of Metallic Materials samples for product (check) analysis shall be furnished (9.2).
E1473 Test Methods for Chemical Analysis of Nickel, 4.1.10 Purchaser Inspection—If the purchaser wishes to
6
Cobalt, and High-Temperature Alloys witness tests or inspection of material at the place of manu-
facture, the purchase order must so state indicating which tests
or inspections are to be witnessed (Section 13).
1
This specification is under the jurisdiction of ASTM Committee B02 on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
5. Chemical Composition
B02.07 on Refined Nickel and Cobalt and Their Alloys.
5.1 The material shall conform to the requirements as to
Current edition approved June 10, 2003. Published July 2003. Originally
approved in 1970. Last previous edition approved in 1998 as B637–98.
chemical composition prescribed in Table 1.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
5.2 If a product (check) analysis is performed by the
cation SB-637 in Section II of that Code.
3
purchaser, the material shall conform to the product (check)
Annual Book of ASTM Standards, Vol 02.04.
4
Annual Book of ASTM Standards, Vol 03.01. analysis variations prescribed in Specification B880.
5
Annual Book of ASTM Standards, Vol 14.02.
6
Annual Book of ASTM Standards, Vol 03.05.
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B637–03
TABLE 1 Chemical Requirements
Composition Composition
Element
Limits, % Limits, %
UNS N07252
(Formerly Grade UNS N07001 (Formerly Grade 685)
689)
Carbon 0.10–0.20 0.03–0.10
Manganese 0.50 max 1.00 max
Silicon 0.50 max 0.75 max
Phosphorus 0.015 max 0.030 max
Sulfur 0.015 max 0.030 max
Chromium 18.00–20.00 18.00–21.00
Cobalt 9.00–11.00 12.00–15.00
Molybdenum 9.00–10.50 3.50–5.00
Titanium 2.25–2.75 2.75–3.25
Aluminum 0.75–1.25 1.20–1.60
Zirconium . 0.02–0.12
Boron 0.003–0.01 0.003–0.01
Iron 5.00 max 2.00 max
Copper . 0.50 max
A A
Nickel remainder remainder
UNS N07500
(Formerly Grade UNS N07750 (Formerly Grade 688)
684)
Carbon 0.15 max 0.08 max
Manganese 0.75
...