1、Designation: A 671 06Standard Specification forElectric-Fusion-Welded Steel Pipe for Atmospheric andLower Temperatures1This standard is issued under the fixed designation A 671; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the y
2、ear of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) 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
3、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 applicable coderequirements. Supplementary requirements are provided for
4、use 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 specific
5、ation.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 pressurete
6、sted 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
7、 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 tempered, see
8、 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 8.360 normalized and precipitation heattreatednone none61 normalized and
9、precipitation 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
10、 heattreatednone 8.3NOTE 1Selection of materials should be made with attention totemperature of service. For such guidance, SpecificationA 20/A 20M maybe consulted.1.4 The values stated in inch-pound units are to be regardedas the standard.2. Referenced Documents2.1 ASTM Standards:3A 20/A 20M Specif
11、ication for General Requirements forSteel Plates for Pressure VesselsA 370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA 435/A 435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA 530/A 530M Specification for General Requirements forSpecialized Carbon a
12、nd Alloy Steel PipeA 577/A 577M Specification for Ultrasonic Angle-BeamExamination of Steel PlatesA 578/A 578M Specification for Straight-Beam UltrasonicExamination of Plain and Clad Steel Plates for SpecialApplicationsE110 Test Method for Indentation Hardness of MetallicMaterials by Portable Hardne
13、ss Testers1This 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 May 1, 2006. Published May 2006. Originallyapproved in 1972. Las
14、t previous edition approved in 2004 as A 671 04.2For 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 Boo
15、k 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.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.E 165 Test Metho
16、d for Liquid Penetrant ExaminationE 709 Guide for Magnetic Particle Examination2.2 Plate Steels:A 203/A 203M Specification for Pressure Vessel Plates, Al-loy Steel, NickelA 285/A 285M Specification for Pressure Vessel Plates,Carbon Steel, Low- and Intermediate-Tensile StrengthA 299/A 299M Specificat
17、ion for Pressure Vessel Plates,Carbon Steel, Manganese-SiliconA 353/A 353M Specification for Pressure Vessel Plates, Al-loy Steel, 9 Percent Nickel, Double-Normalized and Tem-peredA 515/A 515M Specification for Pressure Vessel Plates,Carbon Steel, for Intermediate- and Higher-TemperatureServiceA 516
18、/A 516M Specification for Pressure Vessel Plates,Carbon Steel, for Moderate- and Lower-Temperature Ser-viceA 517/A 517M Specification for Pressure Vessel Plates, Al-loy Steel, High-Strength, Quenched and TemperedA 537/A 537M Specification for Pressure Vessel Plates,Heat-Treated, Carbon-Manganese-Sil
19、icon SteelA 553/A 553M Specification for Pressure Vessel Plates, Al-loy Steel, Quenched and Tempered 8 and 9 % NickelA 736/A 736M Specification for Pressure Vessel Plates,Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium and Nickel-Copper-Manganese-Molybdenum-Columbium Alloy Steel
20、2.3 ASME Boiler and Pressure Vessel Code:4Section II, Material SpecificationsSection III, 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 (61 m) or fractiont
21、hereof 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 Information4.1 The inquiry and order for material under this specifica-tion should include the following information:4.1.1 Quantity (feet, metres
22、, 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),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 Purchas
23、e options, if any (see 5.2.3 and 11.3 of thisspecification. See also Specification A 530/A 530M),4.1.9 Supplementary requirements, if any.5. Materials and Manufacture5.1 MaterialsThe steel plate material shall conform to therequirement of the applicable plate specification for the pipegrade ordered
24、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 in accordance with the ASMEBoiler and Pressure Vessel Code, Section IX.5.2.2 The welds shall be made either manually or auto
25、mati-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 weld, but nomore than18 in. (3.2 mm).This reinforcement may be removedat the manufacturers option or by agreement between the
26、manufacturer and purchaser. The contour of the reinforcementshall be smooth and the deposited metal shall be fusedsmoothly and uniformly into the plate surface.5.2.4 When radiographic examination in accordance with9.1 is to be used, the weld reinforcements shall be governed bythe more restrictive pr
27、ovision 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 controlled to 6 25 F (6 14C) and equipped with a recording pyrometer so that heating4Available fro
28、m American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990.TABLE 1 Plate SpecificationsPipe Grade Type of Steel ASTM SpecificationNo. GradeCA 55 plain carbon A 285/A 285M CCB 60 plain carbon, killed A 515/A 515M 60CB 65 plain carbon, k
29、illed A 515/A 515M 65CB 70 plain carbon, killed A 515/A 515M 70CC 60 plain carbon, killed, fine grain A 516/A 516M 60CC 65 plain carbon, killed, fine grain A 516/A 516M 65CC 70 plain carbon, killed, fine grain A 516/A 516M 70CD 70 manganese-silicon, normalized A 537/A 537M 1CD 80 manganese-silicon,
30、quenched andtemperedA 537/A 537M 2CF 65 nickel steel A 203/A 203M ACF 70 nickel steel A 203/A 203M BCF 66 nickel steel A 203/A 203M DCF 71 nickel steel A 203/A 203M ECG 100 9 % nickel A 353/A 353MCH 100 9 % nickel A 553/A 553M 1CJ 101 alloy steel, quenched and tempered A 517/A 517M ACJ 102 alloy ste
31、el, quenched and tempered A 517/A 517M BCJ 103 alloy steel, quenched and tempered A 517/A 517M CCJ 104 alloy steel, quenched and tempered A 517/A 517M DCJ 105 alloy steel, quenched and tempered A 517/A 517M ECJ 106 alloy steel, quenched and tempered A 517/A 517M FCJ 107 alloy steel, quenched and tem
32、pered A 517/A 517M GCJ 108 alloy steel, quenched and tempered A 517/A 517M HCJ 109 alloy steel, quenched and tempered A 517/A 517M JCJ 110 alloy steel, quenched and tempered A 517/A 517M KCJ 111 alloy steel, quenched and tempered A 517/A 517M LCJ 112 alloy steel, quenched and tempered A 517/A 517M M
33、CJ 113 alloy steel, quenched and tempered A 517/A 517M PCK 75 carbon-manganese-silicon A 299/A 299MCP65 alloy steel, age hardening, normalizedand precipitation heat treatedA 736/A 736M 2CP75 alloy steel, age hardening, quenchedand precipitation heat treatedA 736/A 736M 3A671062records are available.
34、 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 inTable 2 for a minimum of 1 h/in. of thickness or for1 h, whichever is greater.5.3.2 Classes 30, 31,
35、 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, 41, 42, and 43 pipe shall be normalized inaccordance with 5.3.2. After
36、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, and air cooled.5.3.4 Classes 50, 51, 52, and 53 pipe shall be uniformlyheated to a temperature in the au
37、stenitizing 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 Table 2 as a minimum and held at thattemperature for a minimum of12 h/in. of thic
38、kness 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 treated in the range shown in Table 2 for atime to be determined by the manufacturer.5.3.6 Classes 70, 71, 7
39、2, 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.After quenching thepipe shall be reheated into the precipitation heat treating rangeindicated in Table
40、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 requirements of the current edition of Specifi-cation A 530/A 530M unless otherwise provided herein.7. Che
41、mical 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 material was ordered.7.2 Product Analyses of WeldThe pipe manufacturer s
42、hallmake an analysis of finished deposited weld material from each200 ft (61 m) or fraction thereof.Analyses shall conform to thewelding procedure for deposited weld metal.TABLE 2 Heat Treatment ParametersPipe GradeAASTM Specificationand GradePost-WeldHeat-TreatmentTemperature Range F (C)Normalizing
43、Temperature, max,F (C)QuenchingTemperature,max, F (C)TemperingTemperature,min, F (C)PrecipitationHeat TreatmentTemperatureRange F (C)CA 55 A 285/A 285M (C) 11001250 (590680) 1700 (925) . . .CB 60 A 515/A 515M (60) 11001250 (590680) 1750 (950) . . .CB 65 A 515/A 515M (65) 11001250 (590680) 1750 (950)
44、 . . .CB 70 A 515/A 515M 11001250 (590680) 1750 (950) . . .CC 60 A 516/A 516M (60) 11001250 (590680)B1700 (925) 1650 (900) 1200 (650)C.CC 65 A 516/A 516M (65) 11001250 (590680)B1700 (925) 1650 (900) 1200 (650) .CC 70 A 516/A 516M (70) 11001250 (590680)B1700 (925) 1650 (900) 1200 (650) .CD 70 A 537/A
45、 537M (1) 11001250 (590680) 1700 (925) . . .CD 80 A 537/A 537M (2) 11001250 (590680)B. 1650 (900) 1100 (590) .CF 65 A 203/A 203M (A) 11001175 (590635) 1750 (950) . . .CF 70 A 203/A 203M (B) 11001175 (590635) 1750 (950) . . .CF 66 A 203/A 203M (D) 11001175 (590635) 1750 (950) . . .CF 71 A 203/A 203M
46、(E) 11001175 (590635) 1750 (950) . . .CG 100 A 353/A 353M 10251085 (550580) 1650 (900) . 1050 (560) .CH 100 A 553/A 553M 10251085 (550580) 1650 (900) . 1050 (560) .CJ 101 A 517/A 517M (A) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 102 A 517/A 517M (B) 10001100 (540590) . 1725 (940)D1150 (620) .CJ
47、 103 A 517/A 517M (C) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 104 A 517/A 517M (D) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 105 A 517/A 517M (E) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 106 A 517/A 517M (F) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 107 A 517/A 517M (G) 10001100 (
48、540590) . 1725 (940)D1150 (620) .CJ 108 A 517/A 517M (H) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 109 A 517/A 517M (J) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 110 A 517/A 517M (K) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 111 A 517/A 517M (L) 10001100 (540590) . 1725 (940)D1150 (620)
49、.CJ 112 A 517/A 517M (M) 10001100 (540590) . 1725 (940)D1150 (620) .CJ 113 A 517/A 517M (P) 10001100 (540590) . 1725 (940)D1150 (620) .CK 75 A 299/A 299M 11001250 (590680) 1700 (925) . . .CP65 A 736/A 736M (2) 10001175 (540635) 1725 (940) . . 10001200(540650)CP75 A 736/A 736M (3) 10001175 (540635) . 1725 (940) . 10001225(540665)ANumbers indicate minimum tensile strength in ksi.BIn no case shall the post-weld heat-treatment temperature exceed the mill tempering temperature.CTempering range 1100
