TM_A_106
02
Used in USDOE-NE standardsDesignation:A 106-02aNTERNATIONALStandard Specification forSeamless Carbon Steel Pipe for High-Temperature Service1This standard is issued under the fixed designation A 106:the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year 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.This standard has been approved for use by agencies of the Department of Defense.1.Scopepriate safety and health practices and determine the applica-1.1 This specification2covers seamless carbon steel pipe forbility of regulatory limitations prior to use.high-temperature service(Note 1)in NPS 8 to NPS 48inclusive,with nominal(average)wall thickness as given in2.Referenced DocumentsANSI B 36.10.It shall be permissible to furnish pipe having2.1 ASTM Standards:other dimensions provided such pipe complies with all otherA 530/A 530M Specification for General Requirements forrequirements of this specification.Pipe ordered under thisSpecialized Carbon and Alloy Steel Pipespecification shall be suitable for bending,flanging,and similarE213 Practice for Ultrasonic Examination of Metal Pipeforming operations,and for welding.When the steel is to beand Tubingwelded,it is presupposed that a welding procedure suitable toE 309 Practice for Eddy-Current Examination of Steel Tu-the grade of steel and intended use or service will be utilizedbular Products Using Magnetic Saturation*(Note 2).E 381 Method of Macroetch Testing Steel Bars,Billets,Blooms,and ForgingsNorE 1-It is suggested,consideration be given to possible graphitiza-E 570 Practice for Flux Leakage Examination of Ferromag-ic Steel Tubular ProductsNorE 2-The purpose for which the pipe is to be used should be statedin the order.Grade A rather than Grade B or Grade C is the preferred grade2.2 ANSI Standard:for close coiling or cold bending.This note is not intended to prohibit theANSI B 36.10 Welded and Seamless Wrought Steel Pipe5cold bending of Grade B seamless pipe.2.3 Military Standards:1.2 Supplementary requirements(SI to S7)of an optionalMIL-STD-129 Marking for Shipment and Storage?nature are provided for seamless pipe intended for use inMIL-STD-163 Steel Mill Products,Preparation for Ship-applications where a superior grade of pipe is required.Thesement and Storagesupplementary requirements call for additional tests to be made2.4 Federal Standard:and when desired shall be so stated in the order.Fed.Std.No.123 Marking for Shipments(Civil Agencies)?1.3 The values stated in inch-pound units are to be regardedFed.Std.No.183 Continuous Identification Marking of Ironas the standard.and Steel Products2.5 Other Standards:NorE 3-The dimensionless designator NPS(nominal pipe size)hasSSPC-SP 6 Surface Preparation Specification No.68been substituted in this standard for such traditional terms as nominaldiameter,”“size,and“nominal size.3.Ordering Information1.4 The following precautionary caveat pertains only to the3.1 The inclusion of the following,as required will describetest method portion,Sections 11,12,13,14,and 15,of thisthe desired material adequately,when ordered under thisspecification:This standard does not purport to address all ofspecification:the safety concerns,if any,associated with its use.It is the3.1.1 Quantity(feet or number of lengths),responsibiliry of the user of this standard to establish appro-3 Annual Book of ASTM Standards,Vol 01.01.Annual Book of A.STM Standards,Vol 03.03.IThis specification is under the jurisdiction of Committee A0l on Steel,5 Annual Book of ASTM Standards.Vol 03.01.Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee6 Available from American National Standards Institute(ANSD).25 W.43rd StA01.09 on Carbon Steel Tubular Products.4th Floor,New York,NY 10036.Current edition approved Dec.10.2002.Published December 2002.OriginallyAvailable from Standardization Documents Order Desk.DODSSP.Bldg.4.approved in 1926.Last previous edition in 2002 as A 106-02.Section D.700 Robbins Ave.,Philadelphia,PA 19111-5098.2 For ASME Boiler and Pressure Vessel Code applications see related Specifi-8 Available from Steel Structures Painting Council(SSPC).40 24th St.6thcations SA-106 in Section II of that Code.Floor,Pittsburgh,PA 15222-4656.*A Summary of Changes section appears at the end of this standardCopyright ASTM Intemational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States.13.1.2 Name of material(seamless carbon steel pipe),4.4 Unless otherwise specified,pipe NPS 2 and over shall be3.1.3 Grade(Table 1),furnished hot finished.When agreed upon between the manu-3.1.4 Manufacture(hot-finished or cold-drawn).facturer and the purchaser,it is permissible to furnish cold-3.1.5 Size(NPS and weight class or schedule number.ordrawn pipe.both;outside diameter and nominal wall thickness;or inside5.Heat Treatmentdiameter and nominal wall thickness).3.1.6 Special outside diameter tolerance pipe(16.2.2),5.1 Hot-finished pipe need not be heat treated.Cold-drawn3.1.7 Inside diameter tolerance pipe,over 10 in.(254 mm)pipe shall be heat treated after the final cold draw pass at aD(16.2.3).temperature of 1200F(650C)or higher.3.1.8 Length(specific or random,Section 20)6.General Requirements3.1.9 Optional requirements(Section 9 and SI to S7),6.1 Material furnished to this specification shall conform to3.1.10 Test report required(Section on Certification ofthe applicable requirements of the current edition of Specifi-Specification A 530/A 530M),cation A 530/A 530M unless otherwise provided herein.3.1.11 Specification designation,3.1.12 End use of material,7.Chemical Composition3.1.13 Hydrostatic test in accordance with Specification7.1 The steel shall conform to the requirements as toA 530/A 530M or 13.3 of this specification,or NDE inchemical composition prescribed in Table 1.accordance with Section 14 of this specification.8.Heat Analysis3.1.14 Special requirements.8.1 An analysis of each heat of steel shall be made by the4.Processsteel manufacturer to determine the percentages of the ele-ments specified in Section 7.If the secondary melting pro-4.1 The steel shall be killed steel,with the primary meltingcesses of 5.1 are employed,the heat analysis shall be obtainedprocess being open-hearth,basic-oxygen,or electric-furnace,from one remelted ingot or the product of one remelted ingotpossibly combined with separate degassing or refining.Ifof each primary melt.The chemical composition thus deter-secondary melting,using electroslag remelting or vacuum-arcmined,or that determined from a product analysis made by theremelting is subsequently employed,the heat shall be definedmanufacturer,if the latter has not manufactured the steel,shallas all of the ingots remelted from a single primary heat.be reported to the purchaser or the purchasers representative,4.2 Steel cast in ingots or strand cast is permissible.Whenand shall conform to the requirements specified in Section 7.steels of different grades are sequentially strand cast,identifi-cation of the resultant transition material is required.The9.Product Analysisproducer shall remove the transition material by any estab-9.1 At the request of the purchaser,analyses of two pipeslished procedure that positively separates the grades.from each lot(Note 4)of 400 lengths or fraction thereof.of4.3 For pipe NPS 12 and under,it shall be permissible toeach size up to,but not including,NPS 6,and from each lot offurnish hot finished or cold drawn.200 lengths or fraction thereof of each size NPS 6 and over.shall be made by the manufacturer from the finished pipe.Theresults of these analyses shall be reported to the purchaser orTABLE 1Chemical Requirementsthe purchasers representative and shall conform to the require-Composition,ments specified in Section 7.9.2 If the analysis of one of the tests specified in 9.1 doesGrade AGrade BGrade Cnot conform to the requirements specified in Section 7,Carbon,maxA0.250.300.35Manganese0.27-0.930.29-1.060.29-1.06analyses shall be made on additional pipes of double thePhosphorus,max0.0350.0350.035original number from the same lot,each of which shallSulfur,max0.0350.0350.035conform to requirements specified.Silicon,min0.100.100.10Chrome,maxB0.400.400.40NoTE 4-A lot shall consist of the number of lengths specified inCopper,maxB0.400.400.40Sections 9 and 21 of the same size and wall thickness from any one heatMolybdenum.maxB0.150.150.15of steel.Nickel,maxB0.400.400.40Vanadium,maxB0.080.080.0810.Tensile RequirementsA For each reduction of 0.01%below the specified carbon maximum,anincrease of 0.06%manganese above the specified maximum will be permitted up10.1 The material shall conform to the requirements as toto a maximum of 1.35%.tensile properties prescribed in Table 2.Computed elongationB These five elements combined shall not exceed 1%values are contained in Table 3 and Table 4.TABLE 2 Tensile RequirementsGrade AExplanatoryGrade BGrade CNote 2)Tensile strength,min,psi(MPa)48000(330)60000(415)70000(485)Yield strength,min,psi(MPa)30000(205)35000(240)40000(275)LongituTransverseLongitu-TransverseLongitu-TransversecinaldinaldinalElongation in 2 in.or 50 mm,min,%Basic minimum elongation transverse strip tests,and for all small35253016.53016.5sizes tested in full sectionWhen standard round 2-in.or 50-mm gage length test specimen is282022122012usedFor longitudinal strip testsA.BABABFor transverse strip tests,a deduction for each 12-in.(0.8-mm)1.25C1.00c1.000decrease in wall thickness below 56 in.(7.9 mm)from the basicminimum elongation of the following percentage shall be madeA The minimum elogation in 2 in.(50.8 mm)shall be determined by the following equation:e=625000A02/U09where:minimum elongation in 2 in.(50.8 mm),%rounded to the nearest 0.5%cross-sectional area of the tension test specimen,in.2,based on specified outside diameter or nominal specimen width and specified wall thickness rounded tothe nearest 0.01 in.2(if the area thus caluclated is greater than the value 0.75 in.2 shall be used).andUspecified tensile strength,psi.B See Table 4 for minimum elongation values for various size tension specimens and grades.C Table 3 gives the computed minimum values:TABLE 3 Computed Transverse ElongationWall ThicknessElongation in 2 in.or 50 mm,min,in.mmGrade A.TransverseGrades B and C.Transverse46(0.3127.925.0016.5096210.28117.123.7515.5014(0.250)6.422.5014.50A This table gives the computed minimum elongation values for each 132-in.(0.8-mm)decrease in wall thickness.Where the wall thickness lies between two valuesshown above,the minimum elongation value is determined by the following equation:GraDirection of TestEquationATransverseE=40t+12.50B and CTransverseE=321+6.50where:Eelongation in 2 in.or 50 mm,%and=actual thickness of specimen,in.TABLE 4 Elongation ValuesElongation in 2 in.min.,Specified Tensile Strength.psiTension Test Specimen Wall Thickness,in.BGrade AGrade BGrade CArea,in.2A12 in.Specimen34 in.Specimen1 in.Specimen1 V2 in.Specimen4800060000700000.7521.4910.9940.7460.49736.029.525.50.741.470-1.4900.980-0.9930.735-0.7450.490-0.49636.029.525.50.731.451-1.4690.967-0.9790.7260.7340.484-0.48936.029.525.50.721.430-1.4500.9540.9660.7150.7250.477-0.48336.029.525.50.711.411-1.4290.941-0.9530.7060.7140.471-0.47635.529.025.50.701.390-1.4100.927-0.9400.6950.7050.464-0.47035.529.025.50.691.371-1.3890.914-0.9260.6860.6940.457-0.46335.529.025.50.681.350-1.3700.9000.9130.6750.6850.450-0.45635.529.025.00.671.331-1.3490.887-0.8990.6660.6740.444-0.44935.529.025.00.661.310-1.3300.874-0.8860.6550.6650.437-0.44335.029.025.00.651.291-1.3090.861-0.8730.6460.6540.431-0.43635.028.525.00.641.270-1.2900.847-0.8600.6350.6450.424-0.43035.028.525.00.631.251-1.2690.8340.8460.6260.6340.417-0.42335.028.525.00.621.230-1.2500.820-0.8330.6150.6250.410-0.41635.02825.00.611.211-1.2290.807-0.8190.6060.6140.404-0.40934.524.50.601.190-1.2100.7940.8060.5950.6050.397-0.40334.5824.50.591.171-1.1890.781-0.7930.586-0.5940.391-0.39634.528.24.50.581.150-1.1700.7670.7800.5750.5850.384-0.39034.528.024.50.571.131-1.1490.754-0.7660.5660.5740.377-0.38334.028.024.50.561.110-1.1300.740-0.7530.5550.5650.370-0.37634.028.024.5