ASTM A74-05

    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 in this specification.

    1.2.1 Pipe

    Extra heavy, 21/ 2 ft (0.75 m), 31/2ft (1.0 m), 5 ft (1.5 m), 10 ft (3.0 m) lengths 1, 2
    Service, 21/2 ft (0.75 m), 31/2ft (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 heel6, 7
    1/4 bends, short sweep; long sweep8
    1/4 bends, reducing long sweep9
    1/5 bends10
    1/6 bends10
    1/8 bends; long 1/8 bends11
    1/16 bends 11
    Y branches12, 13
    Y branches, combination 1/8 bends, single14
    Y branches, combination 1/8 bends, double14
    Sanitary T branches, single 15
    Sanitary T branches, double15
    Sanitary T branches, cleanout 16
    Tapped sanitary T branches, single17
    Tapped sanitary T branches, double17
    T branches, single and double18
    Tapped T branches, single 19
    Tapped T branches, double 19
    T branches, cleanout 20
    -45 offset fitting21
    Double hubs 22
    Long double hubs22
    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 SV35
    Combination Y and 1/8 bend36
    H branch fitting37

    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 Tables 1 and 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.

    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)

    Referencing This Standard

    DOI: 10.1520/A0074-05

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM A74-05, Standard Specification for Cast Iron Soil Pipe and Fittings, ASTM International, West Conshohocken, PA, 2005,

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