1、Designation: A134 96 (Reapproved 2012)A134/A134M 18Standard Specification forPipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 andOver)1This standard is issued under the fixed designationA134;A134/A134M; the number immediately following the designation indicates theyear of original adoption or
2、, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Sc
3、ope Scope*1.1 This specification covers electric-fusion (arc)-welded straight seam or spiral seam steel pipe NPS 16 and over in diameter(inside or outside as specified by purchaser), with wall thicknesses up to 34 in. (19.0 mm),19 mm, inclusive. Pipe having otherdimensions may be furnished provided
4、such pipe complies with all other requirements of this specification. The pipe is availablein various grades based on the ASTM specification ordered (Section 4).NOTE 1Acceptability for many services may be controlled by codes or standards such as those published by theAmerican National Standards Ins
5、tituteand American Society of Mechanical Engineers.NOTE 2For testing methods not specifically covered in this specification, reference can be made toTest Methods and Definitions A370, with particularreference to Annex A2 on Steel Tubular Products.NOTE 3A comprehensive listing of standardized pipe di
6、mensions is contained in ANSI B 36.10.1.2 The values stated in either SI units or inch-pound units are to be regarded as standard. The values given in parentheses aremathematical conversions to SI units that are provided for information only and are not considered standard. separately as standard.Wi
7、thin the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combining values from the two systems may result in non-conformance with thestandard. The inch-pound units shall apply unl
8、ess the “M” designation of this specification is specified in the order. In thisspecification hard or rationalized conversions apply to diameter, lengths, and tensile properties. Soft conversion applies to otherSI measurements.NOTE 4The dimensionless designator NPS (nominal pipe size) has been subst
9、ituted in this standard for such traditional terms as “nominal diameter,”“size,” and “nominal size.”1.3 The following caveat pertains specifically to Section 5 of this specification. This standard does not purport to address allof the safety concerns, if any, associated with its use. It is the respo
10、nsibility of the user of this standard to establish appropriatesafety safety, health, and healthenvironmental practices and determine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on sta
11、ndardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A36/A36M Specification for Carbon Structural S
12、teelA283/A283M Specification for Low and Intermediate Tensile Strength Carbon Steel PlatesA285/A285M Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile StrengthA370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA941 Terminology Relating to St
13、eel, Stainless Steel, Related Alloys, and FerroalloysA570/A570MA1011/A1011M Specification for Structural Steel, Sheet and Strip, Carbon, Hot-RolledHot-Rolled, Carbon,1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct resp
14、onsibility of Subcommittee A01.09on Carbon Steel Tubular Products.Current edition approved March 1, 2012Nov. 1, 2018. Published November 2012November 2018. Originally approved in 1931. Last previous edition approved in20052012 as A134 96 (2005).(2012). DOI: 10.1520/A0134-96R12.10.1520/A0134_A0134M-1
15、8.2 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 ASTM website.This document is not an ASTM standard and is intended only
16、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 to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
17、of the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1Structural, High-Strength Low-Alloy, High-
18、Strength Low-Alloy with Improved Formability, and Ultra-High Strength(Withdrawn 2000)A1018/A1018M Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Carbon, Commercial, Drawing,Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra
19、-High StrengthA1058 Test Methods for Mechanical Testing of Steel ProductsMetric2.2 ASME Boiler and Pressure Vessel Code:Section IX Welding Qualifications32.3 American National Standards Institute Standard:B 16.25 Buttwelding Ends4B 36.10 Welded and Seamless Wrought Steel Pipe43. Ordering Information
20、3.1 Orders for material electric-fusion arc-welded pipe under this specification should include the following, as shall containinformation concerning as many of the following items as are required, to describe the desired materialpipe adequately:3.1.1 Quantity (feet, metres, or number of lengths),3.
21、1.2 Name of material (electric-fusion (arc)-welded pipe),3.1.3 ASTM Specification A134 or A134M and year date,3.1.4 Grade (if applicable) of steel from which the pipe shall be made (Section 4),3.1.5 Size (inside or outside diameter and nominal wall thickness), and3.1.6 Length (specified or random),
22、random).3.1.6 Specific straightness requirements (see 12.3),3.1.7 End finish (Section 15),3.1.8 Hydrostatic test pressure (Section 11),3.1.9 ASTM designation, and3.1.10 End use of material.3.2 The purchaser shall have the option to order additional requirements, including, but not limited to the fol
23、lowing:3.2.1 Specific straightness requirements (see 12.3),3.2.2 End finish (Section 14),3.2.3 Hydrostatic Test Pressure (Section 11),3.2.4 Protective coating (Section 20),3.2.5 End use of pipe, and3.2.6 Other special requirements, if any.4. Material4.1 The steel from which the pipe is made shall co
24、nform to Specifications A36/A36M, A283/A283M, A285/A285M,A570/A570MA1011/A1011M, or A36/A36MA1018/A1018M, or to other ASTM specifications for equally suitable weldablematerial, as specified. For purposes of marking and certification, when required, the pipe grade of material shall be established byt
25、he A xxx plate specification designation and plate grade, when applicable.5. Manufacture5.1 The longitudinal edges of the steel shall be shaped to give the most satisfactory results by the particular welding processemployed. The steel shall then be properly formed and may be tacked preparatory to we
26、lding. The weld shall be made by automaticmeans (except tack welds) and shall be of reasonably uniform width and height for the entire length of the pipe. By agreementbetween the purchaser and the manufacturer, manual welding by qualified procedure and welders may be used as an equal alternateunder
27、this specification.5.2 All longitudinal seams, spiral seams, and shop girth seams shall be butt-welded.6. Number of Production Weld Tests6.1 One weld test specimen specified in Section 8 shall be made from each lot of 3000 ft (900 m)900 m of pipe or fractionthereof of each size and wall thickness.6.
28、2 If any test specimen shows defective machining or develops flaws not associated with the welding, it may be discarded andanother specimen substituted.3 Available from American Society of Mechanical Engineers, 345 E. 47th St. Engineers (ASME), ASME International Headquarters, Two Park Ave., New Yor
29、k, NY10017.10016-5990, http:/www.asme.org.4 Available from American National Standards Institute, 11 West 42nd St., 13thInstitute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.10036,http:/www.ansi.org.A134/A134M 1826.3 Each length of pipe shall be subjected to the hydrostatic test specified
30、in Section 11, unless otherwise specified in 11.3.7. Retests7.1 If any specimen tested in accordance with Section 10 fails to meet the requirements, retests of two additional specimensfrom the same lot of pipe shall be made, each of which shall meet the requirements specified. If any of the retests
31、fail to conformto the requirements, test specimens may be taken from each untested pipe length at the manufacturers option. Each specimen shallmeet the requirements specified, or that pipe shall be rejected.8. Test Specimens of Production Welds8.1 The weld-test specimens for the reduced-section tens
32、ion test shall be taken perpendicularly across the weld and from theend of the pipe or, alternatively, from flat test pieces of material conforming to the requirements in the specifications used in themanufacture of the pipe. The alternative weld-test specimens shall be welded with the same procedur
33、e and by the same operatorand equipment, and in sequence with the welding of the longitudinal joints in the pipe. The test pieces shall have the weldapproximately in the middle of the specimen. The specimens shall be straightened cold, and shall be tested at room temperature.8.2 Reduced-section tens
34、ion-test specimens shall be prepared in accordance with Fig. 21A2.3 of Test Methods and DefinitionsA370. , Annex A2 Steel Tubular Products.9. Qualification of Welding Procedure9.1 The welding procedure shall be qualified in accordance with the American Welding Society Standard QualificationProcedure
35、5 or ASME Section IX of the Boiler and Pressure Vessel Code as agreed to between the manufacturer and the purchaserusing the tests and test values specified in 9.2 and 9.3. Thicknesses less than 38 in. (10 mm)10 mm shall be qualified for eachwall thickness of pipe manufactured. Thicknesses 38 to 34
36、in. (1010 mm to 19.0 mm),19 mm, inclusive, shall be qualified in 38-in.(10-mm)10-mm thickness.9.2 Two reduced-section tension specimens (transverse weld) made in accordance with Fig. 21A2.3 of Test Methods andDefinitions A370, with the weld reinforcement removed, shall show a tensile strength not le
37、ss than 100 % of the minimumspecified tensile strength of the base material used.9.3 Two face-bend test specimens shall be prepared in accordance with Fig. 2(a)Section A2.5.1.7 of Test Methods andDefinitions A370 and shall withstand being bent 180 in a jig substantially in accordance with Fig. 30A2.
38、15.3 of Test Methodsand Definitions A370. The bend test shall be acceptable if no cracks or other defects exceeding 18 in. (3.2 mm)3 mm in anydirection be present in the weld metal or between the weld and the pipe metal after bending. Cracks that originate along the edgesof the specimens during test
39、ing and that are less than 14 in. (6.3 mm)6 mm in any direction, shall not be considered.10. Tensile Properties of Production Welds10.1 Reduced-section tension test specimens required in Section 8, taken perpendicularly across the weld with the weldreinforcement removed, shall show a tensile strengt
40、h not less than 95 % of the specified minimum strength of the steel. At themanufacturers option, the test may be made without removing the weld reinforcement, in which case the tensile strength shall benot less than the specified minimum tensile strength for the grade of steel used.11. Hydrostatic T
41、est (Note 5)11.1 Each length of pipe shall be tested by the manufacturer to a hydrostatic pressure that will produce in the pipe wall a stressof 60 % of the specified minimum yield point of the steel used at room temperature. The pressure shall be determined by thefollowing equation:P 52St/Dwhere:P
42、= minimum hydrostatic test pressure, psi (Note 6) (not to exceed 2800 psi (19 MPa),S = 0.60 times the minimum specified yield point of the steel used, psi (MPa),t = specified wall thickness, in. (mm), andD = specified outside diameter, in. (mm).P = minimum hydrostatic test pressure, psi (Note 6) (no
43、t to exceed 2800 psi 19 MPa),S = 0.60 times the minimum specified yield point of the steel used, psi MPa,t = specified wall thickness, in. mm, andD = specified outside diameter, in. mm.NOTE 5A hydrostatic sizing operation is not to be considered a hydrostatic test or a substitute for it.5 Available
44、fromAmericanWelding Society, 550 N.W. LeJeune Rd., Miami, FL33135.Society (AWS), 8669 NW36 St., #130, Miami, FL33166-6672, http:/www.aws.org.A134/A134M 183NOTE 6When the diameter and wall thickness of pipe are such that the capacity limits of testing equipment are exceeded by these requirements, the
45、test pressures may be reduced by agreement between the purchaser and the manufacturer.11.2 Test pressure shall be held for not less than 5 s, or for a longer time as agreed upon between the purchaser and themanufacturer.NOTE 7When agreed upon between the purchaser and the manufacturer and so stated
46、on the order, pipe may be tested to one and one half times thespecified working pressure, except that the maximum test pressure shall not exceed 2800 psi (19 MPa)19 MPa nor shall the maximum fiber stress exceed85 % of specified minimum yield point of steel or to a fiber stress that does not exceed 8
47、5 % of the specified minimum yield point of the steel or 2800-psi(19-MPa)19-MPa test pressure.11.3 When specified in the order, pipe may be furnished without hydrostatic testing and each length so furnished shall includethe mandatory marking of the letters “NH.” Additionally, the certification, when
48、 required, shall state “Not Hydrostatically Tested”and the specification number and material grade, as shown on the certification, shall be followed by the letters “NH.”12. Permissible Variations in Weights and Dimensions12.1 Thickness and WeightThe wall thickness and weight for welded pipe under th
49、is specification shall be governed by therequirements of the specifications to which the steel was ordered.12.2 CircumferenceThe outside circumference of the pipe shall not vary more than 60.5 % from the nominal outsidecircumference based upon the diameter specified, except that the circumference at ends shall be sized, if necessary, to meet therequirements of Section 14.12.3 StraightnessFinished pipe shall be commercially straight. When specific straightness requirements are desired, the ordershould so state, and the tolerances
