ASTM A1049/A1049M-18(2023)

Standard Specification for Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components

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STANDARD published on 15.3.2023

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The information about the standard:

Designation standards: ASTM A1049/A1049M-18(2023)
Publication date standards: 15.3.2023
SKU: NS-1140787
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Stainless steels

Annotation of standard text ASTM A1049/A1049M-18(2023) :

This specification covers ferritic/austenitic (duplex) stainless steel forgings for boilers, pressure vessels, and associated equipment. The steels shall be manufactured using melting and forging processes. Forgings may be machined before solution annealing. The forgings shall undergo tension and hardness tests. Also, they shall be subjected to a non-destructive examination by ultrasonic inspection.

Keywords:
austenitic/ferritic stainless steel, duplex stainless steel, forgings, PREN value, pressure vessels,, ICS Number Code 77.140.20 (Steels of high quality)

Additional information

1. Scope

1.1?This specification covers ferritic/austenitic (duplex) stainless steel forgings for boilers, pressure vessels, and associated equipment in grades that are also found in Specification A182/A182M.

1.2?The purchaser may specify in the order or contract any appropriate supplementary requirements that are provided in Specification A788/A788M.

1.3?Unless the order specifies the applicable M specification designation the material shall be furnished to the inch-pound units.

1.4?The values stated in either inch-pound or SI (metric) units are to be regarded separately as standard. Within the text and 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 nonconformance with the specification.

1.5?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

A182/A182M-24	Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A745/A745M-20	Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings
A388/A388M-23	Standard Practice for Ultrasonic Examination of Steel Forgings
A370-23	Standard Test Methods and Definitions for Mechanical Testing of Steel Products
A788/A788M-23	Standard Specification for Steel Forgings, General Requirements
G48-11(2020)e1	Standard Test Methods for Pitting and Crevice Corrosion Resistance of Stainless Steels and Related Alloys by Use of Ferric Chloride Solution (Includes all amendments and changes 12/17/2020).
E165/E165M-23	Standard Practice for Liquid Penetrant Testing for General Industry
A923-23	Standard Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels
ASME	Boiler and Pressure Vessel Code Available from American Society of Mechanical Engineers (ASME), Two Park Ave., New York, NY 10016-5990, http://www.asme.org.
NACE MR0175/ISO15156	Petroleum and Natural Gas Industries--Materials for Use in H2S--Containing Environments in Oil and Gas Production Available from NACE International, 15835 Park Ten Place, Houston, TX 77084, http://www.nace.org.

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