1、Designation: A671/A671M 131Standard 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 case of revi
2、sion, 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 electric-fus
3、ion-welded steelpipe with filler metal added, fabricated from pressure vesselquality plate of several analyses and strength levels andsuitable for high-pressure service at atmospheric and lowertemperatures. Heat treatment may or may not be required toattain the desired properties or to comply with a
4、pplicable coderequirements. Supplementary requirements are provided foruse when additional testing or examination is desired.1.2 The specification nominally covers pipe 16 in. 400mm in outside diameter or larger and of14 in. 6 mm wallthickness or greater. Pipe having other dimensions may befurnished
5、 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 as listed in 5.1.1.3.2 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 Pipe Radiography,see SectionPressure Test,see:10 none none none11 none 9 none12 none 98.313 none none 8.320 stress relieved, see 5.3.1 non
7、e 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 normali
8、zed 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 8.370 qu
9、enched and precipitation heattreatednone none71 quenched and precipitation heattreated9 none72 quenched and precipitation heattreated98.373 quenched and precipitation heattreatednone 8.3NOTE 1Selection of materials should be made with attention totemperature of service. For such guidance, Specificat
10、ion 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; therefore, each systemshall be used independently of t
11、he 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:3A20/A20M Specification for General Requirements for Ste
12、elPlates 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 Carbon and Alloy Steel Pipe1This specification is und
13、er 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, 2013. Published October 2013. Originallyapproved in 1972. Last previous edition approved in 2
14、010 as A67110. DOI:10.1520/A0671_A0671M-13E012For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-671 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 o
15、f 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, West Conshohocken, PA 19428-2959. United States1A577/A577M Specificat
16、ion for Ultrasonic Angle-Beam Ex-amination of Steel PlatesA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tionsE110 Test Method for Indentation Hardness of MetallicMaterials by Portable Hardness TestersE165 Practice for Liquid Penetrant Exa
17、mination for GeneralIndustryE709 Guide for Magnetic Particle Testing2.2 Plate Steels:A203/A203M Specification for Pressure Vessel Plates,AlloySteel, NickelA285/A285M Specification for Pressure Vessel Plates, Car-bon Steel, Low- and Intermediate-Tensile StrengthA299/A299M Specification for Pressure V
18、essel Plates, Car-bon Steel, Manganese-SiliconA353/A353M Specification for Pressure Vessel Plates,AlloySteel, Double-Normalized and Tempered 9 % NickelA515/A515M Specification for Pressure Vessel Plates, Car-bon Steel, for Intermediate- and Higher-Temperature Ser-viceA516/A516M Specification for Pre
19、ssure Vessel Plates, Car-bon Steel, for Moderate- and Lower-Temperature ServiceA517/A517M Specification for Pressure Vessel Plates,AlloySteel, High-Strength, Quenched and TemperedA537/A537M Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon SteelA553/A553M Specification
20、 for Pressure Vessel Plates,AlloySteel, 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 SpecificationsSection III,
21、 Nuclear VesselsSection VIII, Unfired Pressure VesselsSection IX, Welding Qualifications3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 lota lot shall consist of 200 ft 60 m or fractionthereof of pipe from the same heat of steel.4. Ordering Information4.1 The inquiry and order
22、 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 or type, or both, and class designations (see1.3),4.1.5 Size (inside
23、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 and 11.3 of thisspecification. See also Specification A530/A530M),4.1.9 Supplementary requirements, if any.5. Materials and Manufacture5.1 Materi
24、alsThe steel plate material shall conform to therequirement of the applicable plate specification for the 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 procedures and by welders orwelding operators qualified
25、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 As welded, the welded joint shall have positivereinforcement at the center of each side of the w
26、eld, but nomore than18 in. 3 mm. This reinforcement may be removedat the manufacturers option or by agreement between themanufacturer and purchaser. The contour of the reinforcementshall be smooth and the deposited metal shall be fusedsmoothly and uniformly into the plate surface.5.3 Heat TreatmentA
27、ll classes other than 10, 11, 12, and13 shall be heat treated in furnace controlled to 6 25 F 6 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 uni
28、formlyheated within the post-weld heat-treatment temperature range4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.TABLE 1 Plate SpecificationsPipe Grade Type of Steel ASTM SpecificationNo. G
29、rade /Class /TypeCA 55 plain carbon A285/A285M Gr CCB 60 plain carbon, killed A515/A515M Gr 60CB 65 plain carbon, killed A515/A515M Gr 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 plai
30、n carbon, killed, fine grain A516/A516M Gr 70CD 70 manganese-silicon, normalized A537/A537M Cl 1CD 80 manganese-silicon, quenched andtemperedA537/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
31、 % nickel A353/A353MCH 115 9 % nickel A553/A553M Type 1CJ 115 alloy steel, quenched and tempered A517/A517M Gr ACJ 115 alloy steel, quenched and tempered A517/A517M Gr BCJ 115 alloy steel, quenched and tempered A517/A517M Gr ECJ 115 alloy steel, quenched and tempered A517/A517M Gr FCJ 115 alloy stee
32、l, quenched and tempered A517/A517M Gr HCJ 115 alloy steel, quenched and tempered A517/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 1312indicated in Table 2 for a minimum of 1 h/in. 0.
33、4 h/cm ofthickness or for 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 normalizing temperature indicated inTable 2 and subsequently cooled in air at room temperature.5.3.3 Classes 40
34、, 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 temperature for a minimum of12 h/in.0.2 h/cm of thickness or for12 h, whichever is greater, and aircooled.5.3.4 Cl
35、asses 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 in water or oil. Afterquenching, the pipe shall be reheated to the tempering tem-perature indicated in
36、Table 2 as a minimum and held at thattemperature for a minimum of12 h/in. 0.2 h/cm of thicknessor for12 h, whichever is greater, and air cooled.5.3.5 Classes 70, 71, 72, and 73 pipe shall be uniformlyheated to a temperature in the austenitizing range, not exceed-ing the maximum quenching temperature
37、 indicated in Table 2,and subsequently quenched in water or oil.After quenching thepipe shall be reheated into the precipitation heat treating rangeindicated in Table 2 for a time to be determined by themanufacturer.6. General Requirements for Delivery6.1 Material furnished to this specification sha
38、ll conform tothe applicable requirements 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 m
39、eet the requirements ofthe plate specification to which the material was ordered.7.2 Product Analyses of WeldThe pipe manufacturer shallmake an analysis of finished deposited weld material from eachTABLE 2 Heat Treatment ParametersAPipe GradeBASTM Specificationand Grade / Class / TypePost-WeldHeat-T
40、reatmentTemperature Range F CNormalizingTemperature, max,unless otherwisenotedF CQuenchingTemperature,max, unlessotherwise notedF CTemperingTemperature,min,F CPrecipitationHeat TreatmentTemperatureRange F CCA 55 A285/A285M (C) 11001250 590680 1700 925 . . .CB 60 A515/A515M (60) 11001250 590680 1750
41、950 . . .CB 65 A515/A515M (65) 11001250 590680 1750 950 . . .CB 70 A515/A515M (70) 11001250 590680 1750 950 . . .CC 60 A516/A516M (60) 11001200 590650C1700 925 1700 925 1100 590D.CC 65 A516/A516M (65) 11001200 590650C1700 925 1650 900 1100 590D.CC 70 A516/A516M (70) 11001200 590650C1700 925 1700 925
42、 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 . . .CF 70 A203/A203M (B) 11001175 590635 1750 950 . . .CF 65 A203/A203M (D) 11001175 590635 1750 950 . . .CF 70 A203/A203M (E)
43、11001175 590635 1750 950 . . .CG 100 A353/A353M 10251085 550580 1650 25900 15 plusE1450 25 790 15. 10501125560605.CH 100 A553/A553M (Type 1) 10251085 550580 1475170080092510501175560635F.CJ 115 A517/A517M (A) 10001100 540590 . 165017259009401150 620 .CJ 115 A517/A517M (B) 10001100 540590 . 165017259
44、009401150 620 .CJ 115 A517/A517M (E) 10001100 540590 . 165017259009401150 620 .CJ 115 A517/A517M (F) 10001100 540590 . 165017259009401150 620 .CJ 115 A517/A517M (H) 10001100 540590 . 165017259009401150 620 .CJ 115 A517/A517M (P) 10001100 540590 . 165017259009401150 620 .CK 75 A299/A299M 11001250 590
45、680 1700 925 . . .CP85 A736/A736M (A, Class 3) 10001175 540635 . 1725 940 . 10001225540665AWhere ellipses () appear in this table, there is no requirement.BNumbers indicate minimum tensile strength in ksi.CIn no case shall the post-weld heat-treatment temperature exceed the mill tempering temperatur
46、e.DTempering range 1100 to 1300 590 to 705, if accelerated cooling utilized per Specification A516/A516M.EIf hot forming is performed after heating to a temperature in the range from 1650 to 1750F 900 to 955C, the first normalize may be omitted.FPrior to the tempering treatment, the plates may be su
47、bjected to an intermediate heat treatment consisting of heating to a temperature in the range from 1165 to 1290F630 to 700C and either air-cooled or water quenched. See Specification A553/A553M for hold times and cooling instructions.A671/A671M 1313200 ft 60 m or fraction thereof.Analyses shall conf
48、orm to thewelding procedure for deposited weld metal.7.3 Analysis may be taken from the mechanical test speci-mens. The results of the analyses shall be reported to thepurchaser.8. Mechanical Requirements8.1 Tension Test:8.1.1 RequirementsTransverse tensile properties of thewelded joint shall meet t
49、he minimum requirements for ultimatetensile strength of the specified plate material. In addition forGrades CD and CJ, when these are of Class 3x, 4x, or 5x, andGrade CP of 7x, the transverse tensile properties of the baseplate shall be determined on specimens cut from the heat-treated pipe. These properties shall m
