1、Designation: A671 09Standard Specification forElectric-Fusion-Welded Steel Pipe for Atmospheric andLower Temperatures1This standard is issued under the fixed designation A671; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the yea
2、r of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2covers electric-fusion-welded steelpipe with filler metal added, fabricated from pressure ves
3、selquality 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 applicable coderequirements. Supplementary requirements are provided foruse
4、 when additional testing or examination is desired.1.2 The specification nominally covers pipe 16 in. (405mm) in outside diameter or larger and of14 in. (6.4 mm) wallthickness or greater. Pipe having other dimensions may befurnished provided it complies with all other requirements ofthis specificati
5、on.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 radio-graphically examined, and whether the pipe has been pressureteste
6、d 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 none none21 stress relieved, see 5.3.1 9 none22 stress relieved, see 5.
7、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 tempered, see 5.
8、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 8.360 normalized and precipitation heattreatednone none61 normalized and pre
9、cipitation heattreated9 none62 normalized and precipitation heattreated98.363 normalized and precipitation heattreatednone 8.370 quenched and precipitation heattreatednone none71 quenched and precipitation heattreated9 none72 quenched and precipitation heattreated98.373 quenched and precipitation he
10、attreatednone 8.3NOTE 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 inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI u
11、nits that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for General Requirements forSteel Plates for Pressure VesselsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA435/A435M Specification
12、for Straight-Beam UltrasonicExamination of Steel PlatesA530/A530M Specification for General Requirements for1This 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 P
13、roducts.Current edition approved Oct. 1, 2009. Published November 2009. Originallyapproved in 1972. Last previous edition approved in 2006 as A671 06. DOI:10.1520/A0671-09.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-671 in Section II of that Code.3For referen
14、ced 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.1*A Summary of Changes section appears at the end of this standard.Copyri
15、ght ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.Specialized Carbon and Alloy Steel PipeA577/A577M Specification for UltrasonicAngle-Beam Ex-amination of Steel PlatesA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled
16、Steel Plates for Special Applica-tionsE110 Test Method for Indentation Hardness of MetallicMaterials by Portable Hardness TestersE165 Practice for Liquid Penetrant Examination for GeneralIndustryE709 Guide for Magnetic Particle Testing2.2 Plate Steels:A203/A203M Specification for Pressure Vessel Pla
17、tes, Al-loy Steel, NickelA285/A285M Specification for Pressure Vessel Plates, Car-bon Steel, Low- and Intermediate-Tensile StrengthA299/A299M Specification for Pressure Vessel Plates, Car-bon Steel, Manganese-SiliconA353/A353M Specification for Pressure Vessel Plates, Al-loy Steel, 9 Percent Nickel,
18、 Double-Normalized and Tem-peredA515/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 ServiceA517/A517M Specification for Pressure Ve
19、ssel Plates, Al-loy Steel, High-Strength, Quenched and TemperedA537/A537M Specification for Pressure Vessel Plates,Heat-Treated, Carbon-Manganese-Silicon SteelA553/A553M Specification for Pressure Vessel Plates, Al-loy Steel, Quenched and Tempered 8 and 9 % NickelA736/A736M Specification for Pressur
20、e Vessel Plates,Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium and Nickel-Copper-Manganese-Molybdenum-Columbium Alloy Steel2.3 ASME Boiler and Pressure Vessel Code:4Section II, Material SpecificationsSection III, Nuclear VesselsSection VIII, Unfired Pressure VesselsSection IX,
21、Welding Qualifications3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 lota lot shall consist of 200 ft (61 m) or fractionthereof of pipe from the same heat of steel.3.1.2 The description of a lot may be further restricted bythe use of Supplementary Requirement S14.4. Ordering
22、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 1.3),
23、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 and 11.3 of thisspecification. See also Specification A530/A530M),4.1.9 Supplementary requirements, if any.5. Materials and Ma
24、nufacture5.1 MaterialsThe 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 o
25、perators 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 As welded, the welded joint shall have positivereinforcement at the center of
26、 each side of the weld, but nomore than18 in. (3.2 mm).This reinforcement may be removedat the manufacturers option or by agreement between themanufacturer and purchaser. The contour of the reinforcement4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters,
27、Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.TABLE 1 Plate SpecificationsPipe Grade Type of Steel ASTM SpecificationNo. GradeCA 55 plain carbon A285/A285M CCB 60 plain carbon, killed A515/A515M 60CB 65 plain carbon, killed A515/A515M 65CB 70 plain carbon, killed A515/A515M 70CC 60 pl
28、ain carbon, killed, fine grain A516/A516M 60CC 65 plain carbon, killed, fine grain A516/A516M 65CC 70 plain carbon, killed, fine grain A516/A516M 70CD 70 manganese-silicon, normalized A537/A537M 1CD 80 manganese-silicon, quenched andtemperedA537/A537M 2CF 65 nickel steel A203/A203M ACF 70 nickel ste
29、el A203/A203M BCF 66 nickel steel A203/A203M DCF 71 nickel steel A203/A203M ECG 100 9 % nickel A353/A353MCH 100 9 % nickel A553/A553M 1CJ 101 alloy steel, quenched and tempered A517/A517M ACJ 102 alloy steel, quenched and tempered A517/A517M BCJ 103 alloy steel, quenched and tempered A517/A517M CCJ
30、104 alloy steel, quenched and tempered A517/A517M DCJ 105 alloy steel, quenched and tempered A517/A517M ECJ 106 alloy steel, quenched and tempered A517/A517M FCJ 107 alloy steel, quenched and tempered A517/A517M GCJ 108 alloy steel, quenched and tempered A517/A517M HCJ 109 alloy steel, quenched and
31、tempered A517/A517M JCJ 110 alloy steel, quenched and tempered A517/A517M KCJ 111 alloy steel, quenched and tempered A517/A517M LCJ 112 alloy steel, quenched and tempered A517/A517M MCJ 113 alloy steel, quenched and tempered A517/A517M PCK 75 carbon-manganese-silicon A299/A299MCP65 alloy steel, age
32、hardening, normalizedand precipitation heat treatedA736/A736M 2CP75 alloy steel, age hardening, quenchedand precipitation heat treatedA736/A736M 3A671 092shall be smooth and the deposited metal shall be fusedsmoothly and uniformly into the plate surface.5.2.4 When radiographic examination in accorda
33、nce with9.1 is to be used, the weld reinforcements shall be governed bythe more restrictive provision UW51 of Section VIII of theASME Boiler and Pressure Vessel Code instead of 5.2.3 of thisspecification.5.3 Heat TreatmentAll classes other than 10, 11, 12, and13 shall be heat treated in furnace cont
34、rolled to 6 25 F (6 14C) 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 uniformlyheated within the post-weld heat-treatment temperature rangeindicated
35、 inTable 2 for a minimum of 1 h/in. of thickness or for1 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
36、 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 temperature for a minimum of12 h/in. ofthickness or for12 h, whichever is greater, an
37、d air cooled.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 in water or oil. Afterquenching, the pipe shall be reheated to the tempering tem-p
38、erature indicated in Table 2 as a minimum and held at thattemperature for a minimum of12 h/in. of thickness or for12 h,whichever is greater, and air cooled.5.3.5 Classes 60, 61, 62, and 63 pipe shall be normalized inaccordance with 5.3.2. After normalizing, the pipe shall beprecipitation heat treate
39、d in the range shown in Table 2 for atime to be determined by the manufacturer.5.3.6 Classes 70, 71, 72, and 73 pipe shall be uniformlyheated to a temperature in the austenitizing range, not exceed-ing the maximum quenching temperature indicated in Table 2,and subsequently quenched in water or oil.A
40、fter 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 Delivery General Requirementsfor Delivery6.1 Material furnished to this specification shall conform tothe applicable requ
41、irements of the current edition of Specifi-cation A530/A530M unless otherwise provided herein.TABLE 2 Heat Treatment ParametersPipe GradeAASTM Specificationand GradePost-WeldHeat-TreatmentTemperature Range F (C)NormalizingTemperature, max,F (C)QuenchingTemperature,max, F (C)TemperingTemperature,min,
42、 F (C)PrecipitationHeat TreatmentTemperatureRange F (C)CA 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 11001250 (590680) 1750 (950) . . .CC 60 A516/A516M (60) 11001
43、250 (590680)B1700 (925) 1650 (900) 1200 (650)C.CC 65 A516/A516M (65) 11001250 (590680)B1700 (925) 1650 (900) 1200 (650) .CC 70 A516/A516M (70) 11001250 (590680)B1700 (925) 1650 (900) 1200 (650) .CD 70 A537/A537M (1) 11001250 (590680) 1700 (925) . . .CD 80 A537/A537M (2) 11001250 (590680)B. 1650 (900
44、) 1100 (590) .CF 65 A203/A203M (A) 11001175 (590635) 1750 (950) . . .CF 70 A203/A203M (B) 11001175 (590635) 1750 (950) . . .CF 66 A203/A203M (D) 11001175 (590635) 1750 (950) . . .CF 71 A203/A203M (E) 11001175 (590635) 1750 (950) . . .CG 100 A353/A353M 10251085 (550580) 1650 (900) . 1050 (560) .CH 10
45、0 A553/A553M 10251085 (550580) 1650 (900) 1700 (925) 1050 (560) .CJ 101 A517/A517M (A) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 102 A517/A517M (B) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 103 A517/A517M (C) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 104 A517/A517M (D) 10001100 (540590)
46、. 1725 (940)D1150 (620) .CJ 105 A517/A517M (E) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 106 A517/A517M (F) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 107 A517/A517M (G) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 108 A517/A517M (H) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 109 A517/A51
47、7M (J) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 110 A517/A517M (K) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 111 A517/A517M (L) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 112 A517/A517M (M) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 113 A517/A517M (P) 10001100 (540590) . 1725 (940)D11
48、50 (620) .CK 75 A299/A299M 11001250 (590680) 1700 (925) . . .CP65 A736/A736M (2) 10001175 (540635) 1725 (940) . . 10001200(540650)CP75 A736/A736M (3) 10001175 (540635) . 1725 (940) . 10001225(540665)ANumbers indicate minimum tensile strength in ksi.BIn no case shall the post-weld heat-treatment temp
49、erature exceed the mill tempering temperature.CTempering range 1100 to 1300 (590 to 705), if accelerated cooling utilized per Specification A516/A516M.DPer ASME Section VIII Specification A517/A517M specified 1650 (900) minimum quenching temperature.A671 0937. 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 specification to which the mat
