ASTM A74-04

    Standard Specification for Cast Iron Soil Pipe and Fittings

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    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 herein.

    1.2.1 Pipe

    Extra heavy, 2½ ft (0.75 m), 3½ ft (1.0 m), 5 ft (1.5 m), 10 ft (3.0 m) lengths 1, 2
    Service, 2½ ft (0.75 m), 3½ 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

    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, cleanout on main 14
    Y branches, cleanout on branch 15
    Y branches, inverted 16
    Y branches, combination 1/8 bends, single 17
    Y branches, combination 1/8 bends, double 17
    Y branches, combination 1/8 bends, cleanout 18
    Y branches, upright 19
    Sanitary T branches, single 20
    Sanitary T branches, double 20
    Sanitary T branches, cleanout 21
    Tapped sanitary T branches, single 22
    Tapped sanitary T branches, double 22
    T branches, single and double 23
    Tapped T branches, single 24
    Tapped T branches, double 24
    Horizontal twin tapped T 25
    T branches, cleanout 26
    Vent branches, single 27
    Offsets, 1/8 bend 28
    Double hubs 29
    Long double hubs 29
    Reducers 30
    Increasers 31, 32
    S traps 33
    P traps 34, 35
    Deep seal P traps 36
    Running traps 37
    Screw plugs (brass) 38
    Blind plugs 39
    Iron-body ferrules 40
    Side inlets Fig. 3
    Closet bends 41
    Tapping bosses 42
    Hubbed Cleanout Cap 43

    1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. Metric conversions in Table 1 and Table 2 are to two decimal places; all other metric conversions are rounded to the nearest whole number.

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

    Federal Standard

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

    ASTM Standards

    A48/A48M Specification for Gray Iron Castings

    A644 Terminology Relating to Iron Castings

    astm a74 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/E8M 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

    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 40170000(Pipe piping and pipe fittings)

    Referencing This Standard
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    DOI: 10.1520/A0074-04

    Citation Format

    ASTM A74-04, Standard Specification for Cast Iron Soil Pipe and Fittings, ASTM International, West Conshohocken, PA, 2004,

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