1、Designation:A 826/A826M 95An American National StandardStandard Specification forSeamless Austenitic and Martensitic Stainless Steel DuctTubes for Liquid Metal-Cooled Reactor Core Components1This standard is issued under the fixed designation A 826/A826M;the number immediately following the designat
2、ion indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers seamless,anne
3、aled or coldworked,austenitic or martensitic stainless steel duct tubes of 2to 7-in.51 to 178 mm outside dimensions with wall thicknessof 0.250 in.6.35 mm or less for use at high temperature inliquid metal-cooled reactor plants.1.2 The values stated in either inch-pound units or SI unitsare to be re
4、garded separately as standard.Within the text,theSI units are shown in brackets.The values stated in eachsystem are not exact equivalents;therefore,each system mustbe used independently of the other.Combining values from thetwo systems may result in nonconformance with the specifi-cation.1.3 This sp
5、ecification and the applicable material specifica-tions are expressed in both inch-pound and SI units.However,unless the order specifies the applicable“M”specificationdesignation(SI units),the material shall be furnished ininch-pound units.22.Referenced Documents2.1 ASTM Standards:A 370 Test Methods
6、 and Definitions for Mechanical Testingof Steel Products3A 380 Practice for Cleaning and Descaling Stainless SteelParts,Equipment and Systems4A 450/A450M Specification for General Requirements forCarbon,Ferritic Alloy,and Austenitic Alloy Steel Tubes5A 751 Test Methods,Practices,and Terminology forC
7、hemical Analysis of Steel Products3D 129 Test Method for Sulfur in Petroleum Products(Gen-eral Bomb Method)6D 808 Test Method for Chlorine in New and Used Petro-leum Products(Bomb Method)6E 3 Methods of Preparation of Metallographic Specimens7E 29 Practice for Using Significant Digits in Test Data t
8、oDetermine Conformance with Specifications8E 45 Practice for Determining the Inclusion Content ofSteel7E 112 Test Methods for Determining the Average GrainSize7E 165 Test Method for Liquid Penetrant Examination9E 384 Test Method for Microhardness of Materials7E 407 Test Methods for Microetching Meta
9、ls and Alloys72.2ANSI Standard:ANSI B46.1 Surface Texture102.3ASME Standard:ASME NQA-1 Quality Assurance Program Requirementsfor Nuclear Facilities102.4ASNT Standard:SNT-TC-1A Recommended Practice for NondestructiveTesting Personnel Qualification and Certification103.Ordering Information3.1 It is th
10、e responsibility of the purchaser to specify allrequirements that are necessary for the safe and satisfactoryperformance of material ordered under this specification.Examples of such requirements include but are not limited tothe following:3.1.1 Quantity(feet,metres,or number of lengths),3.1.2 Name
11、of material(seamless duct tubes),3.1.3 Grade(Table 1),3.1.4 Melting process(5.1),3.1.5 Approval of procedures for conversion of ingot to bar(5.2),3.1.6 Thermomechanical treatment requirements(5.4),3.1.7 Annealing and tempering requirements for martensiticgrades(5.4),3.1.8 Condition(annealed,cold-wor
12、ked,or thermomechani-cal treatment)(5.6),3.1.9 Percent of cold-work(5.7),3.1.10 Sublotting requirements(5.8),1This specification is under the jurisdiction of ASTM Committee A-1 on Steel,Stainless Steel,and Related Alloys and is the direct responsibility of SubcommitteeA01.10 on Steel Tubing.Current
13、edition approved Nov.10,1995.Published January 1996.Originallypublished as A 826 84.Last previous edition A 826 88.2Available from the American Society for Nondestructive Testing,3200 River-side Drive,Columbus,OH 43221.3Annual Book of ASTM Standards,Vol 01.03.4Annual Book of ASTM Standards,Vol 01.03
14、.5Annual Book of ASTM Standards,Vol 01.01.6Annual Book of ASTM Standards,Vol 05.01.7Annual Book of ASTM Standards,Vol 03.01.8Annual Book of ASTM Standards,Vol 14.02.9Annual Book of ASTM Standards,Vol 03.03.10Available from American National Standards Institute,11 West 42nd St.,13thFloor,New York,NY
15、10036.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTM3.1.11 Duct identification requirements(5.9),3.1.12 Archive samples requirements(5.11),3.1.13 Other chemical requirements(6.1),3.1.14 Tensile
16、property requirements and number of tests(7.1),3.1.15 Microhardness measurement acceptance criteria,lo-cations,and number of samples(7.2),3.1.16 Dimensional data or applicable drawings(8.1),3.1.17 Surface roughness limits(9.2),3.1.18 Surface marring limits(9.3),3.1.19 Cleaning procedures(9.4),3.1.20 Grain size requirements for martensitic grades(10.1),3.1.21 Carbide and carbonitride inclusion rating require-ments(10.2),3.1.22 Inclusion rating requirements for martensitic grades(10.2),3.1.23 Pene
