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ASTM A961-04

(Specification)

Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications

Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications

SCOPE
1.1 This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications under any of the following individual product specifications:
Title of Specification ASTM DesignationForgings, Carbon Steel, for Piping Components  A105/A105MForgings, Carbon Steel, for General-Purpose Piping  A181/A181MForged or Rolled Alloy-Steel Pipe Flanges, Forged A182/A182M Fittings, and Valves and Parts for High Temperature ServiceForgings, Carbon and Low Alloy Steel, Requiring Notch A350/A350MToughness Testing for Piping Components Forged or Rolled 8 and 9% Nickel AlloyA522/A522MSteel Flanges, Fittings, Valves, and Partsfor Low-Temperature ServiceForgings, Carbon and Alloy Steel, for Pipe Flanges,  A694/A694MFittings, Valves, and Parts for High-Pressure Transmission Service Flanges, Forged, Carbon and Alloy Steel for Low  A707/A707MTemperature Service Forgings, Carbon Steel, for Piping Components with  A727/A727MInherent Notch Toughness Forgings, Titanium-Stabilized Carbon Steel, for  A836/A836MGlass-Lined Piping and Pressure Vessel Service
1.2 In case of conflict between a requirement of the individual product specification and a requirement of this general requirement specification, the requirements of the individual product specification shall prevail over those of this specification.
1.2 By mutual agreement between the purchaser and the supplier, additional requirements may be specified (see section 4.1.2). The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon between the purchaser and supplier.
1.3 The values stated in either inch-pound units or SI units (metric) are to be regarded separately as standard. Within the text and the tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the "M" designation (SI) of the product specification is specified in the order.

General Information

Status
Historical
Publication Date
29-Feb-2004
ICS
23.040.01 - Pipeline components and pipelines in general
77.140.20 - Stainless steels
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.22 - Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications
Current Stage
Ref Project

Relations

Replaces
ASTM A961-02 - Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications
Effective Date
01-Mar-2004
Replaced By
ASTM A961/A961M-04a - Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications
Effective Date
01-Sep-2004

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ASTM A961-04 - Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping ApplicationsASTM A961-04 - Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications
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ASTM A961-04 - Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications
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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: A 961 – 04
Standard Specification for
Common Requirements for Steel Flanges, Forged Fittings,
1
Valves, and Parts for Piping Applications
This standard is issued under the fixed designation A 961; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope* values stated in each system are not exact equivalents; there-
fore each system must be used independently of the other.
1.1 This specification covers a group of common require-
Combining values from the two systems may result in noncon-
ments that shall apply to steel flanges, forged fittings, valves,
formance with the specification. The inch-pound units shall
and parts for piping applications under any of the following
apply, unless the “M” designation (SI) of the product specifi-
individual product specifications:
cation is specified in the order.
Title of Specification ASTM Designation
2. Referenced Documents
Forgings, Carbon Steel, for Piping Components A 105/A 105M
Forgings, Carbon Steel, for General-Purpose Piping A 181/A 181M
2
2.1 ASTM Standards:
Forged or Rolled Alloy-Steel Pipe Flanges, Forged A 182/A 182M
A 105/A 105M Specification for Carbon Steel Forgings for
Fittings, and Valves and Parts for High Temperature
Service
Piping Applications
Forgings, Carbon and Low Alloy Steel, Requiring Notch A 350/A 350M
A 181/A 181M Specification for Carbon Steel Forgings for
Toughness Testing for Piping Components
General-Purpose Piping
Forged or Rolled 8 and 9 % Nickel Alloy A 522/A 522M
Steel Flanges, Fittings, Valves, and Parts
A 182/A 182M Specification for Forged or Rolled Alloy-
for Low-Temperature Service
Steel Pipe Flanges, Forged Fittings, and Valves and Parts
Forgings, Carbon and Alloy Steel, for Pipe Flanges, A 694/A 694M
for High-Temperature Service
Fittings, Valves, and Parts for High-Pressure
Transmission Service
A 275/A 275M Test Method for Magnetic Particle Exami-
Flanges, Forged, Carbon and Alloy Steel for Low A 707/A 707M
nation of Steel Forgings
Temperature Service
A 350/A 350M Specification for Carbon and Low-Alloy
Forgings, Carbon Steel, for Piping Components with A 727/A 727M
Inherent Notch Toughness
Steel Forgings, Requiring Notch Toughness Testing for
Forgings, Titanium-Stabilized Carbon Steel, for A 836/A 836M
Piping Components
Glass-Lined Piping and Pressure Vessel Service
A 370 Test Methods and Definitions for Mechanical Testing
1.2 In case of conflict between a requirement of the indi-
of Steel Products
vidual product specification and a requirement of this general
A 522/A 522M Specification for Forged or Rolled 8 and
requirement specification, the requirements of the individual
9 % Nickel Alloy Steel Flanges, Fittings, Valves, and Parts
product specification shall prevail over those of this specifica-
for Low-Temperature Service
tion.
A 694/A 694M Specification for Carbon and Alloy Steel
1.3 By mutual agreement between the purchaser and the
Forgings for Pipe Flanges, Fittings, Valves, and Parts for
supplier, additional requirements may be specified (see Section
High-Pressure Transmission Service
4.1.2). The acceptance of any such additional requirements
A 700 Practices for Packaging, Marking, and Loading
shall be dependent on negotiations with the supplier and must
Methods for Steel Products for Domestic Shipment
be included in the order as agreed upon between the purchaser
A 707/A 707M Specification for Forged Carbon and Alloy
and supplier.
Steel Flanges for Low-Temperature Service
1.4 The values stated in either inch-pound units or SI units
A 727/A 727M Specification for Carbon Steel Forgings, for
(metric) are to be regarded separately as standard. Within the
Piping Components with Inherent Notch Toughness
text and the tables, the SI units are shown in brackets. The
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
2
A01.22 on Steel Forgings and Wrought Fittings for Piping Applications and Bolting For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Materials for Piping and Special Purpose Applications. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved March 1, 2004. Published April 2004. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1996. Last previous edition approved in 2002 as A 961–02. 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

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ASTM A961/A961M-23(Specification)
Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications

ABSTRACT
This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications. If the primary melting is required it shall incorporate separate degassing or refining and may be followed by secondary melting, such as electroslag remelting or vacuum remelting. If secondary melting is employed, the heat shall be defined as all of the ingot remelted from a single primary heat. Material requiring heat treatment shall be treated as specified in the individual product specification using the following procedures such as full annealing, solution annealing, isothermal annealing, normalizing, tempering and post-weld heat treatment, stress relieving. Heat analysis shall be used to determine the percentages of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, titanium, tantalum, copper, cobalt, nitrogen, aluminum, vanadium, cerium to meet the required chemical composition. The product analysis shall be used to determine if the chemical composition shall conform to the limits of the product specified. Mechanical tests shall be performed to determine the mechanical properties such as hardness, tensile properties, and impact properties.
SCOPE
1.1 This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications under any of the following individual product specifications:    
Title of Specification  
ASTM Designation  
Forgings, Carbon Steel, for Piping Components  
A105/A105M  
Forgings, Carbon Steel, for General-Purpose Piping  
A181/A181M  
Forged or Rolled Alloy-Steel Pipe Flanges, Forged  
A182/A182M  
Fittings, and Valves and Parts for High Temperature
Service  
Forgings, Carbon and Low Alloy Steel, Requiring Notch  
A350/A350M  
Toughness Testing for Piping Components  
Forged or Rolled 8 and 9 % Nickel Alloy  
A522/A522M  
Steel Flanges, Fittings, Valves, and Parts  
for Low-Temperature Service  
Forgings, Carbon and Alloy Steel, for Pipe Flanges,  
A694/A694M  
Fittings, Valves, and Parts for High-Pressure
Transmission Service  
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A707/A707M  
Temperature Service  
Forgings, Carbon Steel, for Piping Components with  
A727/A727M  
Inherent Notch Toughness  
Forgings, Titanium-Stabilized Carbon Steel, for  
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1.2 In case of conflict between a requirement of the individual product specification and a requirement of this general requirement specification, the requirements of the individual product specification shall prevail over those of this specification.  
1.3 By mutual agreement between the purchaser and the supplier, additional requirements may be specified (see Section 4.1.2). The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon between the purchaser and supplier.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text and the tables, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply, unless the “M” designation (SI) of the product specification is specified in the order.  
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ASTM A961/A961M-23(Specification)
Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications

ABSTRACT
This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications. If the primary melting is required it shall incorporate separate degassing or refining and may be followed by secondary melting, such as electroslag remelting or vacuum remelting. If secondary melting is employed, the heat shall be defined as all of the ingot remelted from a single primary heat. Material requiring heat treatment shall be treated as specified in the individual product specification using the following procedures such as full annealing, solution annealing, isothermal annealing, normalizing, tempering and post-weld heat treatment, stress relieving. Heat analysis shall be used to determine the percentages of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, titanium, tantalum, copper, cobalt, nitrogen, aluminum, vanadium, cerium to meet the required chemical composition. The product analysis shall be used to determine if the chemical composition shall conform to the limits of the product specified. Mechanical tests shall be performed to determine the mechanical properties such as hardness, tensile properties, and impact properties.
SCOPE
1.1 This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications under any of the following individual product specifications:    
Title of Specification  
ASTM Designation  
Forgings, Carbon Steel, for Piping Components  
A105/A105M  
Forgings, Carbon Steel, for General-Purpose Piping  
A181/A181M  
Forged or Rolled Alloy-Steel Pipe Flanges, Forged  
A182/A182M  
Fittings, and Valves and Parts for High Temperature
Service  
Forgings, Carbon and Low Alloy Steel, Requiring Notch  
A350/A350M  
Toughness Testing for Piping Components  
Forged or Rolled 8 and 9 % Nickel Alloy  
A522/A522M  
Steel Flanges, Fittings, Valves, and Parts  
for Low-Temperature Service  
Forgings, Carbon and Alloy Steel, for Pipe Flanges,  
A694/A694M  
Fittings, Valves, and Parts for High-Pressure
Transmission Service  
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A707/A707M  
Temperature Service  
Forgings, Carbon Steel, for Piping Components with  
A727/A727M  
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SCOPE
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SCOPE
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This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R30556 nickel alloy billets and bars for reforging. The products shall be hot worked from ingots by rolling, forging, extruding, hammering, or pressing. The material shall conform to the chemical composition requirements prescribed by the reference material. The chemical composition of the material shall be determined by chemical analysis in accordance with test method E1473.
SCOPE
1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
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, 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.

  • Technical specification
    5 pages
    English language
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  • Technical specification
    5 pages
    English language
    sale 15% off