1、Designation: A672/A672M 091Standard 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
2、case 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.1NOTEEditorially corrected reference in 8.3 in February 2014.1. Scope*1.1 This specification2covers
3、steel pipe: electric-fusion-welded with filler metal added, fabricated 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 compl
4、y with applicable code requirements.Supplementary requirements 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 dimension
5、s may befurnished provided it complies with all other requirements 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 rad
6、io-graphically examined, and whether the pipe has been pressuretested 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
7、.1 none none21 stress relieved, see 5.3.1 9 none22 stress relieved, 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 n
8、ormalized and tempered, see 5.3.3 9 none42 normalized and tempered, 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.
9、3NOTE 1Selection of materials should be made with attention totemperature 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. T
10、he values stated in eachsystem may not be exact equivalents; therefore, 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 specif
11、ied in the order.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for General Requirements for SteelPlates for Pressure VesselsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA435/A435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA53
12、0/A530M Specification for General Requirements forSpecialized Carbon and Alloy Steel PipeA577/A577M Specification for Ultrasonic Angle-Beam Ex-amination of Steel PlatesA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tionsE109 Method for Dry
13、 Powder Magnetic Particle Inspection;1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.09 on Carbon Steel Tubular Products.Current edition approved Oct. 1, 2009. Published November 2009.
14、 Originallyapproved in 1972. Last previous edition approved in 2008 as A672 08. DOI:10.1520/A0672_A0672M-09E01.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-672 in Section II of that Code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orc
15、ontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, Wes
16、t Conshohocken, PA 19428-2959. United States1Replaced by E 709 (Withdrawn 1981)4E138 Method for Wet Magnetic Particle Inspection; Re-placed by E 709 (Withdrawn 1981)4E110 Test Method for Indentation Hardness of MetallicMaterials by Portable Hardness TestersE165 Practice for Liquid Penetrant Examinat
17、ion for GeneralIndustryE709 Guide for Magnetic Particle Testing2.1.1 Plate Steel Specifications (Table 1)A202/A202M Specification for Pressure Vessel Plates,AlloySteel, Chromium-Manganese-Silicon (Withdrawn 2004)4A204/A204M Specification for Pressure Vessel Plates,AlloySteel, MolybdenumA285/A285M Sp
18、ecification 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,AlloySteel, Manganese-Molybdenum and Manganese-Molybdenum-NickelA515/A
19、515M 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 Pressure Vessel Plates,AlloySteel, Quenched and T
20、empered, Manganese-Molybdenumand Manganese-Molybdenum-NickelA537/A537M Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel2.2 ASME Boiler and Pressure Vessel Code:5Section II, Material SpecificationsSection III, Nuclear VesselsSection VIII, Unfired Pressure Vessels
21、Section 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 byuse of Supplementary Requirement S14.4. Orderi
22、ng 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 number,4.1.4 Grade and class designations (see 1.
23、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), and4.1.9 Supplementary requirements, if any, (refer
24、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, full-penetrationwelds made in accordance with pro
25、cedures 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.5.2.3 The welded joint shall have positive reinfo
26、rcement 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 deposited metal shall be fused smoothly and unifo
27、rmlyinto 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 5.2.3 ofthis specification.5.3 Heat TreatmentAl
28、l classes other than 10, 11, 12 and13 shall be heat treated in furnace controlled to 6 25 F 15C and equipped with a recording pyrometer so that heatingrecords are available. Heat treating after forming and weldingshall be to one of the following:5.3.1 Classes 20, 21, 22, and 23 pipe shall be uniform
29、lyheated within the post-weld heat-treatment temperature rangeindicated in Table 2 for a minimum of 1 h/in. 0.4 hr/cm ofthickness or 1 h, whichever is greater.5.3.2 Classes 30, 31, 32, and 33 pipe shall be uniformlyheated to a temperature in the austenitizing range and notexceeding the maximum norma
30、lizing temperature indicated inTable 2 and subsequently cooled in air at room temperature.5.3.3 Classes 40, 41, 42, and 43 pipe shall be normalized inaccordance with 5.3.2. After normalizing, the pipe shall bereheated to the tempering temperature indicated in Table 2 as aminimum and held at temperat
31、ure for a minimum of12 h/in.0.2 hr/cm of thickness or12 h, whichever is greater, and aircooled.5.3.4 Classes 50, 51, 52, and 53 pipe shall be uniformlyheated to a temperature in the austenitizing range, and notexceeding the maximum quenching temperature indicated inTable 2 and subsequently quenched
32、in water or oil. Afterquenching the pipe shall be reheated to the tempering tempera-ture indicated in Table 2 as a minimum and held at temperaturefor a minimum of12 h/in. 0.2 hr/cm of thickness or12 h,whichever is greater, and air cooled.4The last approved version of this historical standard is refe
33、renced onwww.astm.org.5Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.A672/A672M 09126. General Requirements6.1 Material furnished to this specification shall conform tothe applicable requir
34、ements of the current edition of Specifi-cation A530/A530M unless otherwise provided herein.7. Chemical Composition7.1 Product Analysis of PlateThe pipe manufacturer shallmake an analysis of each mill heat of plate material. Theproduct analysis so determined shall meet the requirements ofthe plate s
35、pecification to which the material was ordered.7.2 Product Analysis of WeldThe pipe manufacturer shallmake an analysis of the finished deposited weld material fromeach 500 ft 150 m or fraction thereof.Analysis shall conformto the welding procedure for deposited weld metal.7.3 Analysis may be taken f
36、rom the mechanical test speci-mens. The results of the analyses shall be reported to thepurchaser.7.4 If the analysis of one of the tests specified in 7.1 or 7.2does not conform to the requirements specified, analyses shallbe made on additional pipes of double the original numberfrom the same lot, e
37、ach of which shall conform to therequirements specified. Nonconforming pipe shall be rejected.8. Mechanical Properties8.1 Tension Test:8.1.1 RequirementsTransverse tensile properties of thewelded joint shall meet the minimum requirements for ultimatetensile strength of the specified plate material.
38、In addition forGrades Dxx, Hxx, Jxx, and Nxx in Classes 3x, 4x, and 5xtransverse tensile properties of the base plate, shall be deter-mined on specimens cut from the heat-treated pipe. Theseproperties shall meet the mechanical test requirements of theplate specification.8.1.2 Number of TestsOne test
39、 specimen shall be made torepresent each lot of finished pipe.8.1.3 Test Specimen Location and OrientationThe testspecimens shall be taken transverse to the weld at the end ofthe finished pipe and may be flattened cold before finalmachining to size.8.1.4 Test MethodThe test specimen shall be made in
40、accordance with QW-150 in Section IX of the ASME Boilerand Pressure Vessel Code. The test specimen shall be tested atroom temperature in accordance with Test Methods and Defi-nitions A370.8.2 Transverse-Guided-Weld-Bend Tests:8.2.1 RequirementsThe bend test shall be acceptable if nocracks or other d
41、efects exceeding18 in. 3 mm in anydirection are present in the weld metal or between the weld andthe base metal after bending. Cracks that originate along theedges of the specimen during testing, and that are less than14 in. 6 mm measured in any direction shall not beconsidered.8.2.2 Number of Tests
42、One test (two specimens) shall bemade to represent each lot of finished pipe.8.2.3 Test Specimen Location and OrientationTwo bendtest specimens shall be taken transverse to the weld at the endof the finished pipe. As an alternative by agreement betweenthe purchaser and the manufacturer, the test spe
43、cimens may betaken from a test plate of the same material as the pipe, the testplate being attached to the end of the cylinder and welded as aprolongation of the pipe longitudinal seam.8.2.4 Test MethodThe test requirements of Test Methodsand Definitions A370, paragraph A2.5.1.7 shall be met. Forwal
44、l thickness over38 in. 10 mm but less than3 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 specify in the order a specific barcoding system to be used.SUPPLEMENTARY REQUIREMENTSOne or more
45、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 writing by the manufacturer and purchaser. Supplementary requirements shall in noway negate any requ
46、irement 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. Charpy V-Notch Test (For pipe with nominal wallthickness of12 in. 13 mm and greater)S2.1 Require
47、ments The acceptable test energies shall beas shown in Table A1.15 of Specification A20/A20M for theapplicable plate specification unless otherwise stated in theorder.As an alternative, the test temperature may be 10 F 12C.S2.2 Number of SpecimensEach test shall consist of atleast three specimens.S2
48、.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 heat per size and per wallthickness.S2.2.2 One weld-metal and one heat-affected zone (HAZ)metal te
49、st 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,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 VesselCode.S3. Hard
