1、Designation: A74 13aA74 15 Endorsed by theCast Iron Soil Pipe InstituteAmerican Association StateHighway and Transportation Officials StandardAASHTO No.: M 263-77Standard Specification forCast Iron Soil Pipe and Fittings1This standard is issued under the fixed designationA74; the number immediately
2、following the designation indicates the year of originaladoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been appro
3、ved for use by agencies of the U.S. Department of Defense.1. Scope1.1 This specification covers cast iron soil pipe and fittings for use in gravity flow plumbing, drain, waste and vent sanitary, andstorm water applications. It establishes standards covering material, manufacture, mechanical and chem
4、ical properties, coating, testmethods, inspection, certification, product markings, dimensions, and dimensional tolerances for extra heavy and service cast ironsoil pipe and fittings. These pipe and fittings are not intended for pressure applications as the selection of the proper size forsanitary d
5、rain, 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 patternsthat conform with the applicable requirements given in this specification.1.2.1 Pi
6、pe:TablesExtra heavy, 212 ft (0.75 m), 312 ft (1.0 m), 5 ft(1.5 m), 10 ft (3.0 m) lengths1, 2Service, 212 ft (0.75 m), 312 ft (1.0 m), 5 ft (1.5m), 10 ft (3.0 m)1, 2Outside dimensions (for detailing) X1.11.2.2 Fittings:Tables14 bends; long 14 bends 3, 414 bends, long low-hub 514 bends, low heel; hig
7、h heel 6, 714 bends, short sweep; long sweep 814 bends, reducing long sweep 915 bends 1016 bends 1018 bends; long 18 bends 11116 bends 11Y branches 12, 13Y branches, combination 18 bends, single 14Y branches, combination 18 bends, double 14Sanitary T branches, single 15Sanitary T branches, double 15
8、Sanitary T branches, cleanout 16Tapped sanitary T branches, single 17Tapped sanitary T branches, double 17T branches, single and double 18Tapped T branches, single 19Tapped T branches, double 19T branches, cleanout 20-45 offset fitting 21Double hubs 22Long double hubs 22Reducers 23Increasers 24, 25P
9、 traps 26, 271 This specification is under the jurisdiction of ASTM Committee A04 on Iron Castings and is the direct responsibility of Subcommittee A04.12 on Pipes and Tubes.Current edition approved June 1, 2013Sept. 15, 2015. Published June 2013September 2015. Originally approved in 1917. Last prev
10、ious edition approved in 2013 asA74 13.A74 13a. DOI: 10.1520/A0074-13A.10.1520/A0074-15.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible t
11、o adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Con
12、shohocken, PA 19428-2959. United States1TablesDeep seal P traps 28Running traps 29Screw plugs (brass) 30Blind plugs 31Iron-body ferrules 32Side inlets Fig. 3Closet bends 33Tapping bosses 34Reducing 14 bend SV 35Combination Y and 18 bend 36H branch fitting 371.3 The values stated in inch-pound units
13、are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A48/A48M Specification for Gray Iron CastingsA644 Terminology Relating to Iron Cas
14、tingsD1248 Specification for Polyethylene Plastics Extrusion Materials for Wire and CableD3960 Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related CoatingsE8 Test Methods for Tension Testing of Metallic MaterialsE1645 Practice for Preparation of Dried Paint Samples
15、 by Hotplate or Microwave Digestion for Subsequent Lead AnalysisE2349 Practice for Safety Requirements in Metal Casting Operations: Sand Preparation, Molding, and Core Making; Meltingand Pouring; and Cleaning and Finishing2.2 Federal Standard:3Fed. Std. No. 123 Marking for Shipment (Civil Agencies)2
16、.3 Military Standard:3MIL-STD-129 Marking for Shipment and Storage2.4 ANSI/ASME Standard:4B1.20 Pipe Threads3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 manufacturer, nthe entity that casts the pipe and fittings covered by this standard.4. Materials and Manufacture4.1 The p
17、ipe and fittings shall be iron castings suitable for installation and service for sanitary, storm drain, waste, and ventpiping applications. The pipe and fittings shall meet all applicable requirements and tests given in this specification.4.2 The castings shall be made of cast iron, produced by an
18、established commercial method that provides control over chemicaland physical properties. Cast iron is a generic term for a series of alloys as defined in Terminology A644 and includes gray ironas well as ductile iron. The castings shall be sound, true to pattern, and of compact close grain that per
19、mits drilling and cuttingby ordinary methods. The interior surface shall be reasonably smooth and free from defects that would make the castings unfit forthe use for which they are intended.4.3 To minimize the possibility of introducing radioactive material to a melting operation, ferrous scrap, pig
20、 iron, and anyrecycled ferrous material shall be screened, by the manufacturer, for radioactivity with detection devices operated in accordancewith the detection manufacturers instructions. Written operating, calibration, and maintenance procedures for the detectionequipment shall be provided to the
21、 purchaser for review when requested. Records shall be maintained by load of these tests fora period of seven years.4.3.1 Only radiation devices designed specifically for the purpose of screening ferrous material shipments shall be used for thepurpose of conforming to this requirement. Hand held rad
22、iation detectors (Geiger counters) are not appropriate and shall not beused for the purpose of conforming to this requirement.4.3.2 Material that is found contaminated with radioactivity shall not be used to produce products covered by this specification.4.3.3 Analysis of castings after the time of
23、production shall not be used to determine compliance to this specification.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the
24、 ASTM website.3 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.4 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.A
25、74 1524.4 Foundries manufacturing products to this specification shall comply to all local, provincial, state, and national safety lawsand regulations and to the requirements of Practice E2349.4.5 Pipe and fittings shall not be patched, filled, or welded to correct cosmetic or material defects that
26、occur during the courseof manufacturing.5. Mechanical Properties5.1 Mechanical Tests for Gray IronThe manufacturer shall perform tests to determine mechanical properties of the gray ironused in the manufacture of gray iron soil pipe and fittings. Tension test specimens shall be employed. The manufac
27、turer shallmaintain a record of mechanical tests for a minimum of 7 years.5.1.1 Tensile Strength TestThe tensile strength shall be not less than 21 000 psi (145 MPa).5.1.2 Tension test reports shall include breaking load of test bars, machined diameter of test bar, and calculated tensile strength.5.
28、1.3 Analysis of castings or test bars after the time of production shall not be used as evidence of compliance to thisspecification.6. Chemical Test for Gray Iron6.1 The manufacturer shall perform tests to determine the significant chemical constituents of the gray iron used in themanufacture of gra
29、y iron soil pipe and fittings. Analysis shall be performed at the minimum of once per lot as defined in thisspecification. The manufacturer shall maintain a record of chemical tests performed for a minimum of 7 years. The test results shallconform to the following requirements as to chemical composi
30、tion:Phosphorous (P) 0.38 % MaximumSulfur (S) 0.15 % MaximumChromium (Cr) 0.50 % MaximumTitanium (Ti) 0.10 % MaximumAluminum (Al) 0.50 % MaximumLead (Pb) 0.015 % MaximumCarbon Equivalent 4.10 % Minimum by massNote: Carbon equivalent for gray iron = %C+%Si/3+%P/36.1.1 Chemical tests shall be performe
31、d at the time of production of the castings covered by this specification.6.1.2 Analysis of castings after the time of production shall not be used as evidence of compliance to this specification.7. Dimensions and Permissible Variations7.1 Pipe:7.1.1 Single-hub pipe shall have a hub at one end and a
32、 spigot at the other. Double-hub pipe shall have a hub at each end. Hubsshall have lead grooves. The inner end of hub shall be either with or without a centering recess, all combinations of which shallmake a satisfactory leakproof joint. Hub and barrel shall be cast in one piece (see Fig. 1).7.1.2 S
33、ingle-hub pipe shall be of 212-ft (0.75-m), 312-ft (1.00-m), 5-ft (1.5-m), and 10-ft (3.0-m) nominal laying lengths. Thelaying length shall be as shown in Table 1 and shall be within the tolerances on laying length specified in Table 2. Double-hubpipe shall be of the same overall length as single-hu
34、b pipe of the same size. Its laying length shall be 5 ft minus the two telescopinglengths (dimension Y), or 10 ft minus the telescoping length (dimension Y). Other dimensions shall be as specified in Table 1 asapplicable, and be within the tolerances specified in Table 2. The dimensions shall apply
35、to pipe before any coating is applied.7.1.3 Pipe shall be straight to the extent that any deflections in the barrel of a 212-ft (0.75-m), 312-ft (1.00-m), and 5-ft (1.5-m)length of pipe shall not exceed 14 in. (6.4 mm) for sizes 4 in. (102 mm) and larger, and shall not exceed 516 in. (7.9 mm) for sm
36、allersizes; for 10-ft lengths, deflections in the barrel shall not exceed 12 in. (12.7 mm) for sizes 4 in. and larger, nor exceed 58 in. (15.9mm) for smaller sizes.7.2 Fittings:7.2.1 Dimensions of FittingsAll fittings shall conform to the dimensions specified for hub and spigot ends in Table 1 and T
37、able2, as applicable. Fittings of the patterns specified in this specification shall conform to the applicable dimensions in Tables 3-37inclusive, and to the tolerances in Table 2. Other patterns (Note 1) shall conform to Table 1, as applicable, for hub and spigotFIG. 1 Single-Hub and Double-Hub Cas
38、t Iron Soil Pipe Laying LengthsA74 153TABLE 1 Dimensions of Hubs, Spigots, and Barrels for Extra-Heavy and Service Cast Iron Soil Pipe and Fittings, in.NOTE 11 in. = 25.4 mm; 1 ft = 0.3 m throughout tables.Service Cast Iron Soil Pipe:SizeAAvailabilityBInsideDiameterof HubBOutsideDiameterof BarrelCTe
39、lescopingLengthCInsideDiameterof BarrelCThicknessof BarrelCA J Y B TNom Min2O 2.94 74.68 2.30 58.42 2.50 63.5 1.96 49.78 0.17 4.32 0.14 3.563O 3.94 100.08 3.30 83.82 2.75 69.85 2.96 75.18 0.17 4.32 0.14 3.564O 4.94 125.48 4.30 109.22 3.00 76.2 3.94 100.08 0.18 4.57 0.15 3.815O 5.94 150.88 5.30 134.6
40、2 3.00 76.2 4.94 125.48 0.18 4.57 0.15 3.816O 6.94 176.28 6.30 160.02 3.00 76.2 5.94 150.88 0.18 4.57 0.15 3.818O 9.25 234.95 8.38 212.85 3.50 88.9 7.94 201.68 0.23 5.84 0.17 4.3210O 11.38 289.05 10.50 266.70 3.50 88.9 9.94 252.48 0.28 6.86 0.22 5.5912O 13.50 342.9 12.50 317.5 4.25 107.95 11.94 303.
41、28 0.28 6.86 0.22 5.5915O 16.95 430.53 15.88 403.35 4.25 107.95 15.16 385.06 0.36 9.14 0.30 7.62SizeAThickness of HubWidth of Hub BeadCDistance from LeadGroove to End, Pipeand FittingsBDepth of Lead GrooveHub Body Over BeadS (min) R (min) F (min) P G (min) G (max)2 0.13 3.30 0.34 8.64 0.75 (0.63) 19
42、.05 (16.00) 0.22 5.59 0.10 2.54 0.19 4.833 0.16 4.06 0.37 9.40 0.81 (0.63) 20.57 (16.00) 0.22 5.59 0.10 2.54 0.19 4.834 0.16 4.06 0.37 9.40 0.88 (0.63) 22.35 (16.00) 0.22 5.59 0.10 2.54 0.19 4.835 0.16 4.06 0.37 9.40 0.88 (0.63) 22.35 (16.00) 0.22 5.59 0.10 2.54 0.19 4.836 0.18 4.57 0.37 9.40 0.88 (
43、0.63) 22.35 (16.00) 0.22 5.59 0.10 2.54 0.19 4.838 0.19 4.83 0.44 11.26 1.19 (1.06) 30.23 (26.92) 0.38 9.65 0.15 3.81 0.22 5.5910 0.27 6.86 0.53 13.46 1.19 (1.06) 30.23 (26.92) 0.38 9.65 0.15 3.81 0.22 5.5912 0.27 6.86 0.53 13.46 1.44 (1.31) 36.58 (33.27) 0.47 11.94 0.15 3.81 0.22 5.5915 0.30 7.62 0
44、.58 14.73 1.44 (1.31) 36.58 (33.27) 0.47 11.94 0.15 3.81 0.22 5.59Extra-Heavy Cast Iron Soil Pipe and Fittings:SizeA AvailabilityInsideDiameterof HubBOutsideDiameterof BarrelBTelescopingLengthBInsideDiameterof BarrelBThicknessof BarrelBA J Y B TNom Min2* 3.06 77.72 2.38 60.45 2.50 63.5 2.00 50.8 0.1
45、9 4.83 0.16 4.063* 4.19 106.43 3.50 88.9 2.75 69.85 3.00 76.2 0.25 6.35 0.22 5.594* 5.19 131.83 4.50 114.3 3.00 76.2 4.00 101.6 0.25 6.35 0.22 5.595* 6.19 131.83 5.50 139.7 3.00 76.2 5.00 127 0.25 6.35 0.22 5.596* 7.19 182.63 6.50 165.1 3.00 76.2 6.00 152.4 0.25 6.35 0.22 5.598* 9.50 241.30 8.62 218
46、.5 3.50 88.9 8.00 203.2 0.31 7.87 0.25 6.3510* 11.62 295.15 10.75 273.05 3.50 88.9 10.00 254 0.37 9.40 0.31 7.87A74 154dimensions, and for wall thickness throughout, and to dimension R, Tables 15-17, for the minimum radius of any drainage inletsthat such fittings shall be permitted to provide. All f
47、ittings shall have spigot ends of sufficient length to provide adequate room formaking joints. All dimensions given in this specification shall apply to fittings before any coating is applied.NOTE 1Such as, for example, fittings known in the trade as “specials,” when designated as being in conformit
48、y with this specification.7.2.2 Water Seal and TrapsTraps shall have water seals as follows:Trap Size, in. (mm)MinimumWater seal, in. (mm)2 (50) 2 (50)3 to 6 (75 to 150), incl 212 (64)8 to 12 (200 to 300), incl 3 (75)7.2.3 Ends of FittingsHubs shall have lead grooves. The inner end of hub shall be permitted to be either with or without acentering recess, all combinations of which shall enable the installer to make a satisfactory joint. Tapped openings shall conformto 7.2.4. It is permissible to increase the wall thickness on the ins
