ASTM A74 - 13a

    Standard Specification for Cast Iron Soil Pipe and Fittings

    Active Standard ASTM A74 | Developed by Subcommittee: A04.12

    Book of Standards Volume: 01.02


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    Abstract

    This specification covers cast gray iron soil pipe and fittings for use in gravity flow plumbing, drain, waste and vent sanitary, and storm water applications. These pipe and fittings are not intended for pressure applications. The cast iron shall be produced by an established commercial method that provides control over chemical and physical properties. Castings shall be sound, true to pattern, and of compact close grain that permits drilling and cutting by ordinary methods and its interior surface shall be reasonably smooth and free from defects. Ferrous scrap, pig iron, and any recycled ferrous material to be used in the melting operation shall be screened for radioactivity. Tension test shall include breaking load, machined diameter, and tensile strength. Chemical test shall conform to the chemical composition requirements prescribed for phosphorous, sulfur, chromium, titanium, aluminum, lead, and carbon equivalent. Dimension requirements for hub, spigot, barrel, grooves, water seal and trap, and threads of the pipe and fittings are detailed. The pipe and fittings shall be uniformly coated with a material suitable for the purpose.

    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 specification covers cast iron soil pipe and fittings for use in gravity flow plumbing, drain, waste and vent sanitary, and storm water applications. It establishes standards covering material, manufacture, mechanical and chemical properties, coating, test methods, inspection, certification, product markings, dimensions, and dimensional tolerances for extra heavy and service cast iron soil pipe and fittings. These pipe and fittings are not intended for pressure applications as the selection of the proper size for sanitary drain, waste, vent, and storm drain systems allows free air space for gravity drainage.

    1.2 This specification covers pipe and fittings of the following patterns and, when so designated, shall apply to any other patterns that conform with the applicable requirements given in this specification.

    1.2.1 Pipe:

     

    Tables

    Extra heavy, 21/2 ft (0.75 m), 31/2 ft (1.0 m), 5 ft (1.5 m), 10 ft (3.0 m) lengths

    1, 2

    Service, 21/2 ft (0.75 m), 31/2 ft (1.0 m), 5 ft (1.5 m), 10 ft (3.0 m)

    1, 2

    Outside dimensions (for detailing)

    X1.1


    1.2.2 Fittings:

     

    Tables

    1/4 bends; long 1/4 bends

    3, 4

    1/4 bends, long low-hub

    5

    1/4 bends, low heel; high heel

    6, 7

    1/4 bends, short sweep; long sweep

    8

    1/4 bends, reducing long sweep

    9

    1/5 bends

    10

    1/6 bends

    10

    1/8 bends; long 1/8 bends

    11

    1/16 bends

    11

    Y branches

    12, 13

    Y branches, combination 1/8 bends, single

    14

    Y branches, combination 1/8 bends, double

    14

    Sanitary T branches, single

    15

    Sanitary T branches, double

    15

    Sanitary T branches, cleanout

    16

    Tapped sanitary T branches, single

    17

    Tapped sanitary T branches, double

    17

    T branches, single and double

    18

    Tapped T branches, single

    19

    Tapped T branches, double

    19

    T branches, cleanout

    20

    -45° offset fitting

    21

    Double hubs

    22

    Long double hubs

    22

    Reducers

    23

    Increasers

    24, 25

    P traps

    26, 27

    Deep seal P traps

    28

    Running traps

    29

    Screw plugs (brass)

    30

    Blind plugs

    31

    Iron-body ferrules

    32

    Side inlets

    Fig. 3

    Closet bends

    33

    Tapping bosses

    34

    Reducing 1/4 bend SV

    35

    Combination Y and 1/8 bend

    36

    ‘H’ branch fitting

    37


    1.3 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.


    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

    A48/A48M Specification for Gray Iron Castings

    A644 Terminology Relating to Iron Castings

    D1248 Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable

    D3960 Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings

    E8 Test Methods for Tension Testing of Metallic Materials

    E1645 Practice for Preparation of Dried Paint Samples by Hotplate or Microwave Digestion for Subsequent Lead Analysis

    E2349 Practice for Safety Requirements in Metal Casting Operations: Sand Preparation, Molding, and Core Making; Melting and Pouring; and Cleaning and Finishing

    Federal Standard

    Fed.Std.No.123 Marking for Shipment (Civil Agencies)

    Military Standard

    MIL-STD-129 Marking for Shipment and Storage

    ANSI/ASME Standard

    B1.20 Pipe Threads


    ICS Code

    ICS Number Code 23.040.40 (Metal fittings)

    UNSPSC Code

    UNSPSC Code 31100000(Castings and casting assemblies); 40170000(Pipe piping and pipe fittings)


    DOI: 10.1520/A0074

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