astma335

Designation:A 335/A 335M-03NTERNATIONALStandard Specification forSeamless Ferritic Alloy-Steel Pipe for High-TemperatureService1This standard is issued under the fixed designation A 335/A 335M;the number immediately following the designation 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.This standard has been approved for use by agencies of the Department of Defense.1.ScopeCarbon,Ferritic Alloy,and Austenitic Alloy Steel Tubes31.1 This specifi cation2 covers nominal wall and minimumA 999/A 999M Specifi cation for General Requirements forwall seamless ferritic alloy-steel pipe intended for high-Alloy and Stainless Steel Pipe3temperature service.Pipe ordered to this specifi cation shall beE 213 Practice for Ultrasonic Examination of Metal Pipesuitable for bending,flanging (vanstoning),and similar form-and Tubinging operations,and for fusion welding.Selection will dependE 309 Practice for Eddy-Current Examination of Steel Tu-upon design,service conditions,mechanical properties,andbular Products Using Magnetic Saturationhigh-temperature characteristics.E 381 Method of Macroetch Testing Steel Bars,Billets,1.2 Several grades of ferritic steels(see Note 1)are covered.Blooms,and ForgingssTheir compositions are given in Table 1.E 527 Practice for Numbering Metals and Alloys(UNS)3E 570 Practice for Flux Leakage Examination of Ferromag-NorE 1-Ferritic steels in this specifi cation are defined as low-andnetic Steel Tubular Products"intermediate-alloy steels containing up to and including 10%chromium.2.2 Other Documents:1.3 Supplementary requirements (S1 to S7)of an optionalSNT-TC-1A Recommended Practice for Nondestructivenature are provided.These supplementary requirements call forPersonnel Qualifi cation and Certifi cationadditional tests to be made.and when desired.shall be so statedSAE J 1086 Practice for Numbering Metals and Alloysin the order together with the number of such tests required.(UNS)71.4 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard.Within the text,the3.Ordering InformationSI units are shown in brackets.The values stated in each3.1 Orders for material under this specifi cation shouldsystem are not exact equivalents;therefore,each system mustinclude the following,as required,to describe the desiredbe used independently of the other.Combining values from thematerial adequately:two systems may result in nonconformance with the specifi-3.1.1 Quantity (feet,metres,or number of lengths),cation.The inch-pound units shall apply unless the "M"3.1.2 Name of material (seamless alloy steel pipe),designation of this specifi cation is specified in the order.3.1.3 Grade (Table 1),NorE 2-The dimensionless designator NPS (nominal pipe size)has3.1.4 Manufacture (hot-fi nished or cold-drawn),been substituted in