1、Designation: A671/A671M 131A671/A671M 14Standard Specification forElectric-Fusion-Welded Steel Pipe for Atmospheric andLower Temperatures1This standard is issued under the fixed designation A671/A671M; 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.1 NOTEEditorially corrected reference in 8.3 in February 2014.1. Scope*1.1 This specification2 cove
3、rs electric-fusion-welded steel pipe with filler metal added, fabricated from pressure vessel qualityplate of several analyses and strength levels and suitable for high-pressure service at atmospheric and lower temperatures. Heattreatment may or may not be required to attain the desired properties o
4、r to comply with applicable code requirements.Supplementary requirements are provided for use when additional testing or examination is desired.1.2 The specification nominally covers pipe 16 in. 400 mm in outside diameter or larger and of 14 in. 6 mm wall thicknessor greater. Pipe having other dimen
5、sions may be furnished provided it complies with all other requirements of this specification.1.3 Several grades and classes of pipe are provided.1.3.1 Grade designates the type of plate used as listed in 5.1.1.3.2 Class designates the type of heat treatment performed during manufacture of the pipe,
6、 whether the weld is radiographicallyexamined, and whether the pipe has been pressure tested as listed in 1.3.31.3.31.3.3 Class designations are as follows (Note 1):Class Heat Treatment on Pipe Radiography,see SectionPressure Test,see:10 none none none11 none 9 none12 none 9 8.313 none none 8.320 st
7、ress relieved, see 5.3.1 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, s
8、ee 5.3.3 none none41 normalized 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 tempe
9、red, see 5.3.4 none 8.370 quenched and precipitation heattreatednone none71 quenched and precipitation heattreated9 none72 quenched and precipitation heattreated9 8.373 quenched and precipitation heattreatednone 8.31 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainle
10、ss Steel and RelatedAlloys and is the direct responsibility of Subcommittee A01.09on Carbon Steel Tubular Products.Current edition approved Oct. 1, 2013March 1, 2014. Published October 2013March 2014. Originally approved in 1972. Last previous edition approved in 20102013 asA67110.131. DOI: 10.1520/
11、A0671_A0671M-13E0110.1520/A0671_A0671M-14.2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA-671 in Section II of that Code.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 mad
12、e 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 versionof the standard as published by ASTM is to be considered the official document.*A S
13、ummary 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 States1NOTE 1Selection of materials should be made with attention to temperature of service. For such guidance, Specification A20/A2
14、0M may beconsulted.1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI unitsare shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be usedindependently of the other
15、. Combining values from the two systems may result in non-conformance with the standard. Theinch-pound units shall apply unless the “M” designation of this specification is specified in the order.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for General Requirements for Steel Pla
16、tes for Pressure VesselsA370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel PlatesA530/A530M Specification for General Requirements for Specialized Carbon and Alloy Steel PipeA577/A577M Specification for
17、 Ultrasonic Angle-Beam Examination of Steel PlatesA578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special ApplicationsE110 Test Method for Indentation Hardness of Metallic Materials by Portable Hardness TestersE165 Practice for Liquid Penetrant Examinatio
18、n for General IndustryE709 Guide for Magnetic Particle Testing2.2 Plate Steels:A203/A203M Specification for Pressure Vessel Plates, Alloy Steel, NickelA285/A285M Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile StrengthA299/A299M Specification for Pressure Vessel
19、 Plates, Carbon Steel, Manganese-SiliconA353/A353M Specification for Pressure Vessel Plates, Alloy Steel, Double-Normalized and Tempered 9 % NickelA515/A515M Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature ServiceA516/A516M Specification for Pressure
20、Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature ServiceA517/A517M Specification for Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and TemperedA537/A537M Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon SteelA553/A553M Specification for
21、Pressure Vessel Plates, Alloy Steel, Quenched and Tempered 8 and 9 % NickelA736/A736M Specification for Pressure Vessel Plates, Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium Alloy Steel2.3 ASME Boiler and Pressure Vessel Code:4Section II, Material SpecificationsIISection III,
22、Nuclear VesselsIIISection VIII, Unfired Pressure VesselsVIIISection IX, Welding QualificationsIX3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 lota lot shall consist of 200 ft 60 m or fraction thereof of pipe from the same heat of steel.4. Ordering Information4.1 The inquiry
23、and order for material under this specification 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 or type, or both, and class designations (see 1.3),4.1.5 Size
24、 (inside or outside diameter, nominal or minimum wall 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 and 11.3 of this specification. See also Specification A530/A530M),4.1.9 Supplementary requirements, if any.5. Materials and Manufactur
25、e5.1 MaterialsThe steel plate material shall conform to the requirement of the applicable plate specification for the pipe gradeordered as listed in Table 1.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of AST
26、M Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4 Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, ThreeTwo Park Ave., New York, NY 10016-5990,http:/www.asme.org.A671/A671M 1425.2 Welding:5.2.1 The joints
27、 shall be double-welded, full-penetration welds made in accordance with procedures and by welders or weldingoperators qualified in accordance with the ASME Boiler and Pressure Vessel Code, Section IX.5.2.2 The welds shall be made either manually or automatically by an electric process involving the
28、deposition of filler metal.5.2.3 As welded, the welded joint shall have positive reinforcement at the center of each side of the weld, but no more than 18in. 3 mm. This reinforcement may be removed at the manufacturers option or by agreement between the manufacturer andpurchaser. The contour of the
29、reinforcement shall be smooth and the deposited metal shall be fused smoothly and uniformly intothe plate surface.5.3 Heat TreatmentAll classes other than 10, 11, 12, and 13 shall be heat treated in furnace controlled to 6 25 F 6 15 Cand equipped with a recording pyrometer so that heating records ar
30、e available. Heat treating after forming and welding shall beto one of the following:5.3.1 Classes 20, 21, 22, and 23 pipe shall be uniformly heated within the post-weld heat-treatment temperature range indicatedin Table 2 for a minimum of 1 h/in. 0.4 h/cm of thickness or for 1 h, whichever is great
31、er.5.3.2 Classes 30, 31, 32, and 33, pipe shall be uniformly heated to a temperature in the austenitizing range and not exceedingthe maximum normalizing temperature indicated in Table 2 and subsequently cooled in air at room temperature.5.3.3 Classes 40, 41, 42, and 43 pipe shall be normalized in ac
32、cordance with 5.3.2.After normalizing, the pipe shall be reheatedto the tempering temperature indicated in Table 2 as a minimum and held at temperature for a minimum of 12 h/in. 0.2 h/cm ofthickness or for 12 h, whichever is greater, and air cooled.5.3.4 Classes 50, 51, 52, and 53 pipe shall be unif
33、ormly heated to a temperature in the austenitizing range, and not exceedingthe maximum quenching temperature indicated in Table 2 and subsequently quenched in water or oil. After quenching, the pipeshall be reheated to the tempering temperature indicated in Table 2 as a minimum and held at that temp
34、erature for a minimum of12 h/in. 0.2 h/cm of thickness or for 12 h, whichever is greater, and air cooled.5.3.5 Classes 70, 71, 72, and 73 pipe shall be uniformly heated to a temperature in the austenitizing range, not exceeding themaximum quenching temperature indicated in Table 2, and subsequently
35、quenched in water or oil. After quenching the pipe shallbe reheated into the precipitation heat treating range indicated in Table 2 for a time to be determined by the manufacturer.6. General Requirements for Delivery6.1 Material furnished to this specification shall conform to the applicable require
36、ments of the current edition of SpecificationA530/A530M unless otherwise provided herein.TABLE 1 Plate SpecificationsPipe Grade Type of Steel ASTM SpecificationNo. Grade /Class /TypeCA 55 plain carbon A285/A285M Gr CCB 60 plain carbon, killed A515/A515M Gr 60CB 65 plain carbon, killed A515/A515M Gr
37、65CB 70 plain carbon, killed A515/A515M Gr 70CC 60 plain carbon, killed, fine grain A516/A516M Gr 60CC 65 plain carbon, killed, fine grain A516/A516M Gr 65CC 70 plain carbon, killed, fine grain A516/A516M Gr 70CD 70 manganese-silicon, normalized A537/A537M Cl 1CD 80 manganese-silicon, quenched andte
38、mperedA537/A537M Cl 2CF 65 nickel steel A203/A203M Gr ACF 70 nickel steel A203/A203M Gr BCF 65 nickel steel A203/A203M Gr DCF 70 nickel steel A203/A203M Gr ECG 100 9 % nickel A353/A353MCH 115 9 % nickel A553/A553M Type 1CJ 115 alloy steel, quenched and tempered A517/A517M Gr ACJA 115 alloy steel, qu
39、enched and tempered A517/A517M Gr ACJ 115 alloy steel, quenched and tempered A517/A517M Gr BCJB 115 alloy steel, quenched and tempered A517/A517M Gr BCJ 115 alloy steel, quenched and tempered A517/A517M Gr ECJE 115 alloy steel, quenched and tempered A517/A517M Gr ECJ 115 alloy steel, quenched and te
40、mpered A517/A517M Gr FCJF 115 alloy steel, quenched and tempered A517/A517M Gr FCJ 115 alloy steel, quenched and tempered A517/A517M Gr HCJH 115 alloy steel, quenched and tempered A517/A517M Gr HCJ 115 alloy steel, quenched and tempered A517/A517M Gr PCJP 115 alloy steel, quenched and tempered A517/
41、A517M Gr PCK 75 carbon-manganese-silicon A299/A299M Gr ACP85 alloy steel, age hardening, quenchedand precipitation heat treatedA736/A736M Gr A,Class 3A671/A671M 1437. Chemical Composition7.1 Product Analysis of PlateThe pipe manufacturer shall make an analysis of each mill heat of plate material. Th
42、e productanalysis so determined shall meet the requirements of the plate specification to which the material was ordered.7.2 Product Analyses of WeldThe pipe manufacturer shall make an analysis of finished deposited weld material from each 200ft 60 m or fraction thereof. Analyses shall conform to th
43、e welding procedure for deposited weld metal.7.3 Analysis may be taken from the mechanical test specimens. The results of the analyses shall be reported to the purchaser.8. Mechanical Requirements8.1 Tension Test:8.1.1 RequirementsRequirementsTransverse tensile properties of the welded joint shall m
44、eet the minimum requirementsfor ultimate tensile strength of the specified plate material. In addition for Grades CD and CJ, when these are of Class 3x, 4x, or5x, and Grade CP of 7x, the transverse tensile properties of the base plate shall be determined on specimens cut from theheat-treated pipe. T
45、hese properties shall meet the mechanical test requirements of the plate specification.8.1.2 Number of TestsOne test specimen of weld metal and one specimen of base metal, if required by 8.1.1, shall be madeand tested to represent each lot of finished pipe.8.1.3 Test Specimen Location and Orientatio
46、nThe test specimens shall be taken transverse to the weld at the end of thefinished pipe and may be flattened cold before final machining to size.8.1.4 Test MethodThe test specimen shall be made in accordance with QW-150 in Section IX of the ASME Boiler andPressure Vessel Code. The test specimen sha
47、ll be tested at room temperature in accordance with Test Methods and DefinitionsA370.TABLE 2 Heat Treatment ParametersAPipe GradeB ASTM Specificationand Grade / Class / TypePost-WeldHeat-TreatmentTemperature Range F CNormalizingTemperature, max,unless otherwisenotedF CQuenchingTemperature,max, unles
48、sotherwise notedF CTemperingTemperature,min,F CPrecipitationHeat TreatmentTemperatureRange F CCA 55 A285/A285M (C) 11001250 590680 1700 925 . . .CB 60 A515/A515M (60) 11001250 590680 1750 950 . . .CB 65 A515/A515M (65) 11001250 590680 1750 950 . . .CB 70 A515/A515M (70) 11001250 590680 1750 950 . .
49、.CC 60 A516/A516M (60) 11001200 590650C 1700 925 1700 925 1100 590D .CC 65 A516/A516M (65) 11001200 590650C 1700 925 1650 900 1100 590D .CC 65 A516/A516M (65) 11001200 590650C 1700 925 1700 920 1100 590D .CC 70 A516/A516M (70) 11001200 590650C 1700 925 1700 925 1100 590D .CD 70 A537/A537M (Cl 1) 11001250 590680 1700 925 . . .CD 80 A537/A537M (Cl 2) 11001250 590680C . 1650 900 1100 590 .CF 65 A203/A203M (A) 11001175 590635 1750 950 .
