ASTM A671 / A671M - 14

    Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures

    Active Standard ASTM A671 / A671M | Developed by Subcommittee: A01.09

    Book of Standards Volume: 01.01


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    Abstract

    This specification covers standard requirements for electric-fusion-welded steel pipe with filler metal added, for atmospheric and lower temperatures. The steel pipe shall be fabricated from a pressure vessel quality plate of several analysis and strength levels. Several grades and classes of pipe shall be provided. Grade shall designate the type of plate used while class shall designate the type of heat treatment performed during pipe manufacture. Class shall be designated as to whether the weld is radiographically examined, and as to whether the pipe is pressure tested. Steel samples shall undergo tension and transverse guided weld bend tests and conform to the specified mechanical requirements.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification2 covers electric-fusion-welded steel pipe with filler metal added, fabricated from pressure vessel quality plate of several analyses and strength levels and suitable for high-pressure service at atmospheric and lower temperatures. Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements. Supplementary requirements are provided for use when additional testing or examination is desired.

    1.2 The specification nominally covers pipe 16 in. [400 mm] in outside diameter or larger and of 1/4  in. [6 mm] wall thickness or greater. Pipe having other dimensions may be furnished provided it complies with all other requirements of this specification.

    1.3 Several grades and classes of pipe are provided.

    1.3.1 Grade designates the type of plate used as listed in 5.1.

    1.3.2 Class designates the type of heat treatment performed during manufacture of the pipe, whether the weld is radiographically examined, and whether the pipe has been pressure tested as listed in 1.3.3.

    1.3.3 Class designations are as follows (Note 1):

    Class

    Heat Treatment on Pipe

    Radiography, see Section

    Pressure Test, see:

     

    10

    none

    none

    none

    11

    none

    9

    none

    12

    none

    9

    8.3

    13

    none

    none

    8.3

    20

    stress relieved, see 5.3.1

    none

    none

    21

    stress relieved, see 5.3.1

    9

    none

    22

    stress relieved, see 5.3.1

    9

    8.3

    23

    stress relieved, see 5.3.1

    none

    8.3

    30

    normalized, see 5.3.2

    none

    none

    31

    normalized, see 5.3.2

    9

    none

    32

    normalized, see 5.3.2

    9

    8.3

    33

    normalized, see 5.3.2

    none

    8.3

    40

    normalized and tempered, see 5.3.3

    none

    none

    41

    normalized and tempered, see 5.3.3

    9

    none

    42

    normalized and tempered, see 5.3.3

    9

    8.3

    43

    normalized and tempered, see 5.3.3

    none

    8.3

    50

    quenched and tempered, see 5.3.4

    none

    none

    51

    quenched and tempered, see 5.3.4

    9

    none

    52

    quenched and tempered, see 5.3.4

    9

    8.3

    53

    quenched and tempered, see 5.3.4

    none

    8.3

    70

    quenched and precipitation heat  treated

    none

    none

    71

    quenched and precipitation heat  treated

    9

    none

    72

    quenched and precipitation heat  treated

    9

    8.3

    73

    quenched and precipitation heat  treated

    none

    8.3


    Note 1Selection of materials should be made with attention to temperature of service. For such guidance, Specification A20/A20M may be consulted.

    1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, 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 of this 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

    A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel Plates

    A530/A530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe

    A577/A577M Specification for Ultrasonic Angle-Beam Examination of Steel Plates

    A578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications

    E110 Test Method for Indentation Hardness of Metallic Materials by Portable Hardness Testers

    E165 Practice for Liquid Penetrant Examination for General Industry

    E709 Guide for Magnetic Particle Testing


    ICS Code

    ICS Number Code 23.040.10 (Iron and steel pipes)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/A0671_A0671M

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