Standards

ASTM A961/A961M-04a


Historical Standard: ASTM A961/A961M-04a Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications


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1. 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 AlloyA522/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
Flanges, Forged, Carbon and Alloy Steel for Low A707/A707M
Temperature Service
Forgings, Carbon Steel, for Piping Components with A727/A727M
Inherent Notch Toughness
Forgings, Titanium-Stabilized Carbon Steel, for A836/A836M
Glass-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.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

A105/A105M Specification for Carbon Steel Forgings for Piping Applications
A181/A181M Specification for Carbon Steel Forgings, for General-Purpose Piping
A182/A182M Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A275/A275M Practice for Magnetic Particle Examination of Steel Forgings
A350/A350M Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A522/A522M Specification for Forged or Rolled 8 and 9% Nickel Alloy Steel Flanges, Fittings, Valves, and Parts for Low-Temperature Service
A694/A694M Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A707/A707M Specification for Forged Carbon and Alloy Steel Flanges for Low-Temperature Service
A727/A727M Specification for Carbon Steel Forgings for Piping Components with Inherent Notch Toughness
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A836/A836M Specification for Titanium-Stabilized Carbon Steel Forgings for Glass-Lined Piping and Pressure Vessel Service
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A967 Specification for Chemical Passivation Treatments for Stainless Steel Parts
A991/A991M Test Method for Conducting Temperature Uniformity Surveys of Furnaces Used to Heat Treat Steel Products
B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys
E165 Practice for Liquid Penetrant Examination for General Industry
E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
E709 Guide for Magnetic Particle Testing
E1916 Guide for Identification and/or Segregation of Mixed Lots of Metals

ASME Standard

ASME Boiler and Pressure Vessel Code-Section IX

Manufacturers Standardization Society Standard

SP25 Standard Marking System of Valves, Fittings, Flanges and Unions

Keywords

alloy steel; carbon steel; fittings; flanges; forgings; general requirement; piping applications; pressure containing parts; stainless steel; temperature service applications—elevated; temperature service applications—high; valves;


ICS Code

ICS Number Code 23.040.01 (Pipeline components in general. Pipelines); 77.140.20 (Steels of high quality)


DOI: 10.1520/A0961_A0961M-04A

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