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NEPLATNÁ ASTM A541/A541M-05(2020) 1.3.2020 náhľad

Doplňujúce informácie

ASTM A541/A541M-05(2020)

Standard Specification for Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components (Withdrawn 2025)

NORMA vydaná dňa 1.3.2020

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Informácie o norme:

Označenie normy: ASTM A541/A541M-05(2020)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.3.2020
Kód tovaru: NS-988551
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM A541/A541M-05(2020) :

Keywords:

chromium-molybdenum steel, nickel-chromium-molybdenum alloy steel, pressure vessel service, quenched and tempered steel, steel forgings´alloy, steel forgings´carbon,, ICS Number Code 77.140.30 (Steels for pressure purposes)

Doplňujúce informácie

1. Scope

1.1 This specification2 covers requirements for quenched and tempered carbon and alloy steel forgings for pressure vessel components.

1.2 All grades are considered weldable under proper conditions. Welding technique is of fundamental importance, and it is presupposed that welding procedure and inspection will be in accordance with approved methods for the grade of material used.

Note 1: Grades 1 and 1A have different chemistries but the same mechanical requirements.

Note 2: Designations have been changed as follows:

Current

Formerly

Grade 1

Class 1

Grade 1A

Class 1A

Grade 1C

Class 4

Grade 2 Class 1

Class 2

Grade 2 Class 2

Class 2A

Grade 3 Class 1

Class 3

Grade 3 Class 2

Class 3A

Grade 4N Class 1

Class 7

Grade 4N Class 2

Class 7A

Grade 4N Class 3

Class 7B

Grade 5 Class 1

Class 8

Grade 5 Class 2

Class 8A

Grade 11 Class 4

Class 11C

Grade 22 Class 3

Class 22B

Grade 22 Class 4

Class 22C

Grade 22 Class 5

Class 22D

Grade 22V

Class 22V

Grade 3V

Class 3V

1.3 The values stated in either inch-pound units 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 are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.4 Unless the order specifies the applicable “M” specification designation, the material shall be furnished to the inch-pound units.

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

A275/A275M-23	Standard Practice for Magnetic Particle Examination of Steel Forgings
A788/A788M-23	Standard Specification for Steel Forgings, General Requirements
A388/A388M-23	Standard Practice for Ultrasonic Examination of Steel Forgings
A370-23	Standard Test Methods and Definitions for Mechanical Testing of Steel Products
E208-20e1	Standard Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels (Includes all amendments and changes 2/9/2023).

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