1、Designation:B658/B658M06 Designation: B658/B658M 11Standard Specification forSeamless and Welded Zirconium and Zirconium Alloy Pipe1This standard is issued under the fixed designation B658/B658M; the number immediately following the designation indicates the yearof original adoption or, in the case
2、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. Scope1.1 This specification2covers three grades of seamless and welded zirconium pipe.1.2 Unless a sin
3、gle unit is used, for example corrosion mass gain in mg/dm2, the values stated in either inch-pound or SI unitsare to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore each system mustbe used independently of the other. SI values cannot be mixe
4、d with inch-pound values.1.3 The following precautionary caveat pertains only to the test methods portions of this specification. specification: Thisstandard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the userof this standard
5、to establish appropriate safety and health practices and determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:3B614 Practice for Descaling and Cleaning Zirconium and Zirconium Alloy SurfacesE88/E8M Test Methods for Tension Testing of Metallic Ma
6、terialsE29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications Practice for UsingSignificant Digits in Test Data to Determine Conformance with SpecificationsE2626 Guide for Spectrometric Analysis of Reactive and Refractory Metals2.2 ANSI Standard:B36.19 St
7、ainless Steel Pipe42.3 ASME Standard:ASME Boiler and Pressure Vessel Code, Section VIII5ASME Boiler and Pressure Vessel Code, Section IX53. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 annealed, nfor purposes of this specification “annealed” denotes material that exhibits a re
8、crystallized grain structure.3.2 Lot Definitions:3.2.1 pipe, na lot shall consist of a material of the same size, shape, condition, and finish produced from the same ingot orpowder blend by the same reduction schedule and the same heat treatment parameters. Unless otherwise agreed betweenmanufacture
9、r and purchaser, a lot shall be limited to the product of an 8 h period for final continuous anneal, or to a single furnaceload for final batch anneal.4. Classification4.1 The pipe is furnished in three grades as follows:4.1.1 Grade R60702Unalloyed zirconium.4.1.2 Grade R60704Zirconium-tin alloy.4.1
10、.3 Grade R60705Zirconium-niobium alloy.1This specification is under the jurisdiction of ASTM Committee B10 on Reactive and Refractory Metals and Alloys and is the direct responsibility of SubcommitteeB10.02 on Zirconium and Hafnium.Current edition approved Sept.April 1, 2006.2011. Published Septembe
11、r 2006.April 2011. Originally approved in 1979. Last previous edition approved in 20052006 asB658/B658M 056. DOI: 10.1520/B0658_B0658M-0611.2For ASME Boiler and Pressure Vessel Code Applications, see related Specification SB-658 in Section II of that Code.3For referenced ASTM standards, visit the AS
12、TM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 1
13、0036, http:/www.ansi.org.5Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of
14、 what changes have been made 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
15、 the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5. Ordering Information5.1 Orders for materials under this specification should include the following information:5.1.1 Quantity (weight or total length),5.1.2 Nam
16、e of material (zirconium pipe),5.1.3 Grade number (see 4.1),5.1.4 Nominal pipe size and schedule (Table X1.1),5.1.5 Lengths (random or specified cut lengths),5.1.6 Method of manufacture (Section 6),5.1.7 Workmanship and quality level requirements (Section 10),5.1.8 ASTM designation and year of issue
17、, andTABLE 1 Chemical RequirementsAElementComposition, %UNS Grade DesignationR60702 R60704 R60705Zirconium + hafnium, min 99.2 97.5 95.5Hafnium, max 4.5 4.5 4.5Iron + chromium 0.2 max 0.2 to 0.4 0.2 maxTin . 1.0to2.0 .Hydrogen, max 0.005 0.005 0.005Nitrogen, max 0.025 0.025 0.025Carbon, max 0.05 0.0
18、5 0.05Niobium . . . . . . 2.0 to 3.0Oxygen, max 0.16 0.18 0.18ABy agreement between the purchaser and the manufacturer, analysis may be required and limits established for elements and compounds not specified in the tableof chemical compositions.B658/B658M 1125.1.9 Additions to the specification and
19、 supplementary requirements, if required. See 7.3, 14.1, 15.1, and 18.1 for additionaloptional requirements for the purchase order.NOTE 1A typical ordering description is as follows: 240-ft 70-mm zirconium pipe, seamless, descaled 3.0-in. 75-mm Schedule 40 by 12-ft 3-mlengths, ASTM B658/B658M - 05,
20、Grade R60702.6. Materials and Manufacture6.1 Seamless pipe shall be made from any seamless method that will yield a product meeting this specification.6.2 Pipe containing welded seams or other joints made by welding shall comply with the following provisions:6.2.1 Welded by welders, welding operator
21、s, and welding procedures qualified under the provisions of Section IX of the ASMEBoiler and Pressure Vessel Code.6.2.2 Filler metal, when used, shall be the same grade as the base metal.6.2.3 Welds in grade R60705 shall be stress relief annealed within 14 days after welding to prevent delayed hydri
22、de cracking.The heat treatment shall be as follows:6.2.3.1 The stress-relieving treatment shall consist of holding the pipe at a minimum temperature of 1100F 600C for not lessthan h/in.30 min per inch 25mm of the maximum thickness in a nonreducing atmosphere. The minimum time at this temperatureis 1
23、5 min.All stress-relieved parts shall be cleaned subsequently and shall be free of oxide scale contamination (see Practice B614).6.3 The pipe shall be furnished in the annealed or stress-relieved condition.7. Chemical Composition7.1 The material shall conform to the requirements as to chemical compo
24、sition prescribed in Table 1.7.2 The manufacturers ingot analysis shall be considered the chemical analysis for piping, except for hydrogen and nitrogen,which shall be determined on the finished product.7.3 When requested by the purchaser and stated in the purchase order, a product analysis for any
25、elements listed in Table 1 shallbe made on the finished product.7.3.1 The manufacturers analysis shall be considered as verified if the check analysis confirms the manufacturers reportedvalues within the tolerances prescribed in Table 2.8. Tensile Requirements8.1 The material, as represented by the
26、test specimens, shall conform to the tensile properties prescribed in Table 3.9. Permissible Variations in Dimensions9.1 DiameterDiametricAt any point (cross section) along the length of the pipe, the variations in outside diameters shallnot exceed those prescribed in Table 4.9.1.1 The tolerances on
27、 the outside diameter include ovality except as provided for in 9.1.2.9.1.2 Thin-wall pipe usually develops significant ovality (out-of-roundness) during final annealing, straightening, or both.Thin-wall pipe is defined as having a wall thickness of 3 % or less of the outside diameter. The diameter
28、tolerances of Table 4 areTABLE 2 Permissible Variation in Check Analysis BetweenDifferent LaboratoriesElementPermissible Variation in ProductAnalysis, %Hydrogen 0.002Nitrogen 0.01Carbon 0.01Hafnium 0.1Iron + chromium 0.025Tin 0.05Niobium 0.05Oxygen 0.02TABLE 3 Tensile RequirementsUNS Grade Designati
29、onsR60702 R60704 R60705Tensile strength,min, ksi MPa55 380 60 415 80 550Yield strength, min,ksi MPa30 205 35 240 55 380Elongation in 2 in.or 50 mm,min, %A16 14 16AWhen a sub-size specimen is used, the gauge length shall be as specified inTest Methods E8/E8M for that specimen.B658/B658M 113not suffic
30、ient to provide for additional ovality expected in thin-wall pipe and are applicable only to the mean of the extreme(maximum and minimum) outside diameter readings in any one cross section. However, for thin-wall pipe the difference in extremeoutside diameter readings (ovality) in any one cross sect
31、ion shall not exceed 1.5 % of the specified outside diameter.9.2 ThicknessThe variation in thickness at any point shall not be more than 612.5 % of the nominal wall thickness specified.9.3 Length:9.3.1 Pipe shall be furnished in lengths as specified in the purchase order. No pipe shall be under the
32、specified length and notmore than14 in. 6.4 mm over that specified.9.3.2 For pipe ordered to random lengths, the lengths and variations shall be agreed upon between the manufacturer and thepurchaser.NOTE 2A system of standard pipe sizes approved by the American National Standards Institute as ANSI B
33、36.19, reproduced as Table X1.1, shallapply, pending the development of similar standards for zirconium.10. Workmanship, Finish and Appearance10.1 The finished pipe shall be reasonably straight, shall have smooth ends, free of burrs, and shall be free of cracks, seams,blisters, and other injurious i
34、mperfections in accordance with standards of acceptability agreed upon between the manufacturer andthe purchaser. Minor defects may be removed provided the dimensional tolerances in accordance with Section 9 are not exceeded.Unless otherwise specified, the pipe shall be furnished free of scale.11. S
35、ignificance of Numerical Limits11.1 For the purpose of determining compliance with the specified limits for requirements of the properties listed in thefollowing table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding methodsof Practice E29.Proper
36、ty Rounded Unit for Observed orCalculated ValueChemical composition and toler-ances (when expressed as deci-mals)Nearest unit in the last right-handplace of figures of the specifiedlimitTensile strength and yield strength Nearest 1000 psi 10 MPaElongation Nearest 1 %12. Number of Tests and Retests12
37、.1 One longitudinal tension test shall be made from each lot, see13.1.12.2 One chemistry test for hydrogen and nitrogen content shall be made from each lot of finished product, see 13.3.12.3 A hydrostatic proof test shall be performed on each length of pipe, see 13.2.12.4 Retests:12.4.1 If any sampl
38、e or specimen exhibits obvious surface contamination or improper preparation disqualifying it as a trulyrepresentative sample, it shall be discarded and a new sample or specimen substituted.12.4.2 If the results of any tests of any lot do not conform to the requirements specified, retests shall be m
39、ade on additional pipeof double the original number from the same lot, each of which shall conform to the requirements specified.12.4.3 Retesting after failure of initial retests may be done only with the approval of the purchaser.13. Test Methods13.1 Tension TestsConduct the tension test in accorda
40、nce with Test Methods E8/E8M. Determine the yield strength by theoffset (0.2 %) method. Determine the tensile properties using a strain rate of 0.003 to 0.007 in./in. mm/mm/min through the yieldstrength. After the yield strength has been exceeded, the cross-head speed may be increased to approximate
41、ly 0.05 in./in.mm/mm/min to failure.13.2 Hydrostatic TestsPrior to dimensional checks, upsetting, swaging, expanding, or other forming operations, test each pipe18 in. 3.2 mm and larger in outside diameter, and with wall thickness of 0.015 in. 0.4 mm and over to a hydrostatic pressuresufficient to p
42、roduce a fiber stress of three fourths of the minimum yield strength of the pipe, provided that the test pressure doesnot exceed 5000 psi 35 MPa. Determine the test pressure as follows:TABLE 4 Permissible Variations in DiameterANominal Diameter, in. mmPermissible Variations in OutsideDiameter, in. m
43、mOver Under18 to 112 3.2 to 40, incl164 .4132 .8Over 112 to 4 40 to 100, incl132 .8132 .8Over 4 to 8 100 to 200, incl116 1.6132 .8Over 8 to 12 200 to 305, incl332 2.4132 .8AFor seamless pipe only. Tolerances on welded pipe shall be as agreed uponbetween the manufacturer and the purchaser.B658/B658M
44、114P 5 2St/D (1)where:P = hydrostatic test pressure, psi MPa,S = allowable fiber stress of three fourths of the minimum yield strength (Table 2), psi MPa,t = average wall thickness of the pipe, in. mm, andD = nominal diameter of the pipe, in. mm.13.3 Chemical TestsConduct the chemical analysis by th
45、e standard techniques normally used by the manufacturer. Conductthe chemical analysis by the standard techniques normally used by the manufacturer. Guide E2626 may be used as a guide forchemical analysis techniques.13.4 When specified in the purchase order, all butt welds shall be 100 % radiographed
46、 or x-rayed perASME Code Section VIII,paragraph UW-51.14. Inspection14.1 The manufacturer shall inspect the material covered by this specification prior to shipment. If so specified in the purchaseorder, the purchaser or his representative may witness the testing and inspection of the material at th
47、e place of manufacture. In suchcases, the purchaser shall state in his purchase order which tests he desires to witness. The manufacturer shall give ample noticeto the purchaser as to the time and place of the designated tests. If the purchasers representative does not present himself at thetime agr
48、eed upon for the testing, the manufacturer shall consider the requirement for the purchasers inspection at the place ofmanufacture to be waived.14.2 The manufacturer shall afford the inspector representing the purchaser, without charge, all reasonable facilities to satisfyhim that the material is be
49、ing furnished in accordance with this specification. This inspection shall be so conducted as not tointerfere unnecessarily with the operation of the works.15. Rejection15.1 Rejection for failure of the material to meet the requirements of this specification shall be reported to the manufacturer.Unless otherwise specified, rejected material may be returned to the manufacturer at the manufacturers expense, unless thepurchaser receives, within three weeks of the notice
