1、Designation: A672/A672M 09Standard Specification forElectric-Fusion-Welded Steel Pipe for High-Pressure Serviceat Moderate Temperatures1This standard is issued under the fixed designation A672/A672M; the number immediately following the designation indicates the yearof original adoption or, in the c
2、ase of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2covers steel pipe: electric-fusion-welded with filler metal added, fa
3、bricated from pressure-vesselquality plate of any of several analyses and strength levels andsuitable for high-pressure service at moderate temperatures.Heat treatment may or may not be required to attain the desiredproperties or to comply with applicable code requirements.Supplementary requirements
4、 are provided for use when addi-tional testing or examination is desired.1.2 The specification nominally covers pipe 16 in. 400mm in outside diameter or larger with wall thicknesses up to3 in. 75 mm, inclusive. Pipe having other dimensions may befurnished provided it complies with all other requirem
5、ents ofthis specification.1.3 Several grades and classes of pipe are provided.1.3.1 Grade designates the type of plate used.1.3.2 Class designates the type of heat treatment performedduring manufacture of the pipe, whether the weld is radio-graphically examined, and whether the pipe has been pressur
6、etested as listed in 1.3.3.1.3.3 Class designations are as follows (Note 1):Class Heat Treatment on PipeRadiography,see SectionPressure Test,see Section10 none none none11 none 9 none12 none 98.313 none none 8.320 stress relieved, see 5.3.1 none none21 stress relieved, see 5.3.1 9 none22 stress reli
7、eved, see 5.3.1 9 8.323 stress relieved, see 5.3.1 none 8.330 normalized, see 5.3.2 none none31 normalized, see 5.3.2 9 none32 normalized, see 5.3.2 9 8.333 normalized, see 5.3.2 none 8.340 normalized and tempered, see 5.3.3 none none41 normalized and tempered, see 5.3.3 9 none42 normalized and temp
8、ered, see 5.3.3 9 8.343 normalized and tempered, see 5.3.3 none 8.350 quenched and tempered, see 5.3.4 none none51 quenched and tempered, see 5.3.4 9 none52 quenched and tempered, see 5.3.4 9 8.353 quenched and tempered, see 5.3.4 none 8.3NOTE 1Selection of materials should be made with attention to
9、temperature of service. For such guidance, Specification A20/A20M maybe consulted.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem may not be exact equivalents; t
10、herefore, each systemshall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with thestandard. The inch-pound units shall apply unless the “M”designation of this specification is specified in the order.2. Referenced Documents2.1 ASTM Standards:3A2
11、0/A20M Specification for General Requirements forSteel Plates for Pressure VesselsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA435/A435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA530/A530M Specification for General Requirements forSpecialized
12、Carbon and Alloy Steel PipeA577/A577M Specification for UltrasonicAngle-Beam Ex-amination of Steel PlatesA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tions4E109 Discontinued 1981; Method for Dry Powder Mag-netic Particle Inspection; Repl
13、aced by E 70954E138 Discontinued 1981; Method for Wet Magnetic Par-ticle Inspection; Replaced by E 7095E110 Test Method for Indentation Hardness of Metallic1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility
14、 of SubcommitteeA01.09 on Carbon Steel Tubular Products.Current edition approved Oct. 1, 2009. Published November 2009. Originallyapproved in 1972. Last previous edition approved in 2008 as A672 08. DOI:10.1520/A0672_A0672M-09.2For ASME Boiler and Pressure Vessel Code applications see related Specif
15、i-cation SA-672 in Section II of that Code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Withdrawn.5Withdr
16、awn. The last approved version of this historical standard is referencedon www.astm.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.Materials by Portable Hardness
17、TestersE165 Practice for Liquid Penetrant Examination for GeneralIndustryE709 Guide for Magnetic Particle Testing2.1.1 Plate Steel Specifications (Table 1)4A202/A202M Specification for Pressure Vessel Plates, Al-loy Steel, Chromium-Manganese-Silicon5A204/A204M Specification for Pressure Vessel Plate
18、s, Al-loy Steel, MolybdenumA285/A285M Specification for Pressure Vessel Plates, Car-bon Steel, Low- and Intermediate-Tensile StrengthA299/A299M Specification for Pressure Vessel Plates, Car-bon Steel, Manganese-SiliconA302/A302M Specification for Pressure Vessel Plates, Al-loy Steel, Manganese-Molyb
19、denum and Manganese-Molybdenum-NickelA515/A515M Specification for Pressure Vessel Plates, Car-bon Steel, for Intermediate- and Higher-Temperature Ser-viceA516/A516M Specification for Pressure Vessel Plates, Car-bon Steel, for Moderate- and Lower-Temperature ServiceA533/A533M Specification for Pressu
20、re Vessel Plates, Al-loy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-NickelA537/A537M Specification for Pressure Vessel Plates,Heat-Treated, Carbon-Manganese-Silicon Steel2.2 ASME Boiler and Pressure Vessel Code:6Section II, Material SpecificationsSection III, Nuclear
21、 VesselsSection VIII, Unfired Pressure VesselsSection IX, Welding Qualifications3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 A lot shall consist of 200 ft 60 m or fraction thereofof pipe from the same heat of steel.3.1.2 The description of a lot may be further restricted by
22、use of Supplementary Requirement S14.4. Ordering Information4.1 The inquiry and order for material under this specifica-tion should include the following information:4.1.1 Quantity (feet, metres, or number of lengths),4.1.2 Name of material (steel pipe, electric-fusionwelded),4.1.3 Specification num
23、ber,4.1.4 Grade and class designations (see 1.3),4.1.5 Size (inside or outside diameter, nominal or minimumwall thickness),4.1.6 Length (specific or random),4.1.7 End finish (11.4),4.1.8 Purchase options, if any (see 5.2.3, 11.3, 14.1 andSections 16, 20.1, 21, 22 of Specification A530/A530M), and4.1
24、.9 Supplementary requirements, if any, (refer to S1through S14).5. Materials and Manufacture5.1 MaterialsThe steel plate material shall conform to therequirements of the applicable plate specification for pipegrade ordered as listed in Table 1.5.2 Welding:5.2.1 The joints shall be double-welded, ful
25、l-penetrationwelds made in accordance with procedures and by welders orwelding operators qualified in accordance with the ASMEBoiler and Pressure Vessel Code, Section IX.5.2.2 The welds shall be made either manually or automati-cally by an electric process involving the deposition of fillermetal.5.2
26、.3 The welded joint shall have positive reinforcement atthe center of each side of the weld, but not more than18 in. 3mm. This reinforcement may be removed at the manufactur-ers option or by agreement between the manufacturer andpurchaser. The contour of the reinforcement shall be smooth,and the dep
27、osited metal shall be fused smoothly and uniformlyinto the plate surface.5.2.4 When radiographic examination in accordance with9.1 is to be used, the weld reinforcement shall be governed bythe more restrictive provisions of UW51 of Section VIII ofthe ASME Boiler and Pressure Vessel Code instead of 5
28、.2.3 ofthis specification.6Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.TABLE 1 Plate SpecificationPipe Grade Type of SteelASTM SpecificationNo. GradeA 45 plain carbon A285/A285M AA 50 pla
29、in carbon A285/A285M BA 55 plain carbon A285/A285M CB 60 plain carbon, killed A515/A515M 60B 65 plain carbon, killed A515/A515M 65B 70 plain carbon, killed A515/A515M 70C 55 plain carbon, killed, fine grain A516/A516M 55C 60 plain carbon, killed, fine grain A516/A516M 60C 65 plain carbon, killed, fi
30、ne grain A516/A516M 65C 70 plain carbon, killed, fine grain A516/A516M 70D 70 manganese-siliconnormalizedA537/A537M 1D80 manganese-siliconQ for example, C 7010.13.2 Bar CodingIn addition to the requirements in 13.1,bar coding is acceptable as a supplemental identificationmethod. The purchaser may sp
31、ecify in the order a specific barcoding system to be used.SUPPLEMENTARY REQUIREMENTSOne or more of the following supplementary requirements shall be applied only when specified bythe purchaser in the inquiry, contract, or order. Details of these supplementary requirements shall beagreed upon in writ
32、ing by the manufacturer and purchaser. Supplementary requirements shall in noway negate any requirement of the specification itself.S1. Tension and Bend TestsS1.1 Tension tests in accordance with 8.1 and bend tests inaccordance with 8.2 shall be made on specimens representingeach length of pipe.S2.
33、Charpy V-Notch Test (For pipe with nominal wallthickness of12 in. 13 mm and greater)S2.1 RequirementsThe acceptable test energies shall be asshown in Table A1.15 of Specification A20/A20M for theapplicable plate specification unless otherwise stated in theorder.As an alternative, the test temperatur
34、e may be 10 F 12C.S2.2 Number of SpecimensEach test shall consist of atleast three specimens.S2.2.1 One base-metal test shall be made from one pipelength per heat, per heat-treat charge, and per nominal wallthickness. For pipe from Classes 10, 11, 12, and 13, one basemetal test shall be made per hea
35、t per size and per wallthickness.S2.2.2 One weld-metal and one heat-affected zone (HAZ)metal test shall be made in accordance with NB 4335 ofSection III of the ASME Boiler and Pressure Vessel Code.S2.3 Test Specimen Location and Orientation:S2.3.1 Base-metal specimens of stress-relieved, normalized,
36、and normalized and tempered pipe shall be taken in accordancewith the provisions for tension specimens in the body of thisspecification.S2.3.2 Base-metal specimens of quenched and temperedpipe shall be taken in accordance with the provisions of NB2225 of Section III of the ASME Boiler and Pressure V
37、esselCode.S3. Hardness TestS3.1 Hardness measurements in accordance with Test Meth-ods and Definitions A370 or Test Method E110 shall be madeacross the welded joint at both ends of each length of pipe. Themaximum acceptable hardness shall be as agreed upon betweenthe manufacturer and the purchaser.S
38、4. Product AnalysisS4.1 Product analyses in accordance with 7.1 shall be madeon each 500 ft 150 m of pipe or fraction thereof oralternatively, on each length of pipe as designated in the order.S5. MetallographyS5.1 The manufacturer shall furnish one photomicrographto show the microstructure of 1003
39、magnification of the weldmetal or base metal of the pipe in the as-finished condition.Thepurchaser shall state in the order: the material, base metal orweld, and the number and locations of tests to be made. Thistest is for information only.S6. Magnetic Particle Examination of Base MetalS6.1 All acc
40、essible surfaces of the pipe shall be examined inaccordance with Methods E109 or E138. Accessible is definedas: All outside surfaces, all inside surfaces of pipe 24 in. 600mm in diameter and greater, and inside surfaces of pipe lessthan 24 in. 600 mm in diameter for a distance of one pipediameter fr
41、om the ends.S6.2 Acceptance StandardsThe following relevant indi-cations are unacceptable:S6.2.1 Any linear indications greater than116 in. 1 mmlong for materials less than58 in. 16 mm thick; greater than18 in. 3 mm long for materials58 in. 16 mm thick to under2 in. 50 mm thick; and greater than316
42、in. 5 mm long formaterials 2 in. 50 mm thick or greater.S6.2.2 Rounded indications with dimensions greater than18in. 3 mm for thicknesses less than58 in. 16 mm and greaterthan316 in. 5 mm for thicknesses58 in. 16 mm and greater.S6.2.3 Four or more indications in any line separated by116in. 1 mm or l
43、ess edge-to-edge.S6.2.4 Ten or more indications in any 6 in.239 cm2ofsurface with the major dimension of this area not to exceed 6in. 150 mm when it is taken in the most unfavorableorientation relative to the indications being evaluated.A672/A672M 095S7. Magnetic Particle Examination of Weld MetalS7
44、.1 All accessible weld shall be examined in accordancewith Practice E709. Accessible is defined as: All outsidesurfaces, all inside surfaces of pipe less than 24 in. 600 mmin diameter for a distance of one pipe diameter from the ends.S7.2 Acceptance CriteriaThe following relevant indica-tions are un
45、acceptable:S7.2.1 Any cracks and linear indications.S7.2.2 Rounded indications with dimensions greater than316 in. 5 mm.S7.2.3 Four or more indications in any line separated116 in.1 mm or less edge-to-edge.S7.2.4 Ten or more indications in any 6 in.239 cm2ofsurface with the major dimension of this a
46、rea not to exceed 6in. 150 mm when it is taken in the most unfavorableorientation relative to the indications being evaluated.S8. Liquid Penetrant Examination of Base MetalS8.1 All accessible surfaces of the pipe shall be examined inaccordance with Test Method E165.Accessible is as defined inS6.1.S8
47、.2 The acceptance criteria shall be in accordance withS6.2.S9. Liquid Penetrant Examination of Weld MetalS9.1 All accessible surfaces of the pipe shall be examined inaccordance with Test Method E165.Accessible is as defined inS7.1S9.2 The acceptance criteria shall be in accordance withS7.2S10. Strai
48、ght Beam Ultrasonic Examination of FlatPlateUT 1S10.1 The plate shall be examined and accepted in accor-dance with Specification A435/A435M except that 100 % ofone surface shall be scanned by moving the search unit inparallel paths with not less than 10 % overlap.S11. Straight Beam Ultrasonic Examin
49、ation of FlatPlateUT 2S11.1 The plate shall be examined in accordance withSpecification A578/A578M except that 100 % of one surfaceshall be scanned and the acceptance criteria shall be as follows:S11.2 Any area, where one or more discontinuities producea continuous total loss of back reflection accompanied bycontinuous indications on the same plane that cannot beencompassed within a circle whose diameter is 3 in. 75 mmor12 of the plate thickness, whichever is greater, is unaccept-able. In addi
