1、Designation: A999/A999M 15A999/A999M 16Standard Specification forGeneral Requirements for Alloy and Stainless Steel Pipe1This standard is issued under the fixed designation A999/A999M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision
2、, 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. Scope*1.1 This specification2 covers a group of general requirements that, unless otherwise specified in an indiv
3、idual specification,shall apply to the ASTM product specifications noted below.1.2 In the case of conflict between a requirement of a product specification and a requirement of this specification, the productspecification shall prevail. In the case of conflict between a requirement of the product sp
4、ecification or a requirement of thisspecification and a more stringent requirement of the purchase order, the purchase order shall prevail.Title of Specification ASTM Desig-nation3Seamless and Welded Austenitic Stainless Steel Pipes A312/A312MSeamless and Welded Steel Pipe for Low-TemperatureService
5、A333/A333MSeamless Ferritic Alloy-Steel Pipe for High TemperatureServiceA335/A335MElectric-Fusion-Welded Austenitic Chromium-Nickel AlloySteel Pipe for High-Temperature ServiceA358/A358MCarbon and Ferritic Alloy Steel Forged and Bored Pipe forHigh-Temperature ServiceA369/A369MSeamless Austenitic Ste
6、el Pipe for Use With HighTemperature Central-Station ServiceA376/A376MWelded Large Diameter Austenitic Steel Pipe for Corrosiveor High-Temperature ServiceA409/A409MCentrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature ServiceA426/A426MCentrifugally Cast Austenitic Steel Pipe for High-Tem
7、perature ServiceA451/A451MCentrifugally Cast Iron-Chromium-Nickel High-AlloyTubing for Pressure Application at HighTemperaturesA608/A608MWelded, Unannealed Austenitic Stainless Steel TubularProductsA778Seamless and Welded Ferritic/AusteniticStainless Steel PipeA790/A790MSingle- or Double-Welded Aust
8、enitic Stainless Steel Pipe A813/A813MCold-Worked Welded Austenitic Stainless Steel Pipe A814/A814MCentrifugally Cast Ferritic/Austenitic Stainless Steel Pipefor Corrosive EnvironmentsA872/A872MFerritic/Austenitic (Duplex) Stainless Steel Pipe ElectricFusion Welded with Addition of Filler MetalA928/
9、A928MSpray-Formed Seamless Austenitic Stainless Steel Pipe A943/A943MSpray-Formed Seamless Ferritic/Austenitic Stainless SteelPipeA949/A949MAustenitic Chromium-Nickel-Silicon Alloy Steel Seamlessand Welded PipeA9541.3 The values stated in either SI units or inch-pound units are to be regarded separa
10、tely as standard. Within the text, the SI unitsare shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct r
11、esponsibility of Subcommittee A01.10on Stainless and Alloy Steel Tubular Products.Current edition approved Dec. 1, 2015Sept. 1, 2016. Published December 2015October 2016. Originally approved in 1998. Last previous edition approved in 20142015as A999/A999MA999/A999M 15.14. DOI: 10.1520/A0999_A0999M-1
12、5.10.1520/A0999_A0999M-16.2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA 999 in Section II of that Code.3 These designations refer to the latest issue of the respective specifications. See Annual Book of ASTM Standards, Vol 01.01.This document is not an ASTM sta
13、ndard and is intended only to provide the user of an ASTM standard an indication of 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 cas
14、es only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1independently o
15、f the other. Combining values from the two systems may result in non-conformance with the standard. Theinch-pound units apply unless the “M” designation (SI) of the product specification is specified in the order.NOTE 1The dimensionless designator NPS (nominal pipe size) is used in this standard for
16、 such traditional terms as “nominal diameter,” “size,”“nominal bore,” and “nominal size.”1.4 The following precautionary statement pertains only to the test method portion, Section 22, of this specification: Thisstandard does not purport to address all of the safety concerns, if any, associated with
17、 its use. It is the responsibility of the userof this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:4A312/A312M Specification for Seamless, Welded, and Heavily Cold Worked
18、Austenitic Stainless Steel PipesA333/A333M Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications withRequired Notch ToughnessA335/A335M Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature ServiceA358/A358M Specification for Electric
19、-Fusion-WeldedAustenitic Chromium-Nickel Stainless Steel Pipe for High-TemperatureService and General ApplicationsA369/A369M Specification for Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature ServiceA370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA
20、376/A376M Specification for Seamless Austenitic Steel Pipe for High-Temperature ServiceA409/A409M Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature ServiceA426/A426M Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Serv
21、iceA451/A451M Specification for Centrifugally Cast Austenitic Steel Pipe for High-Temperature ServiceA608/A608M Specification for Centrifugally Cast Iron-Chromium-Nickel High-Alloy Tubing for Pressure Application at HighTemperaturesA700 Guide for Packaging, Marking, and Loading Methods for Steel Pro
22、ducts for ShipmentA751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel ProductsA778 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular ProductsA790/A790M Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel PipeA813/A813M Specificatio
23、n for Single- or Double-Welded Austenitic Stainless Steel PipeA814/A814M Specification for Cold-Worked Welded Austenitic Stainless Steel PipeA872/A872M Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive EnvironmentsA928/A928M Specification for Ferritic/Austen
24、itic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of FillerMetalA941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and FerroalloysA943/A943M Specification for Spray-Formed Seamless Austenitic Stainless Steel PipesA949/A949M Specification for Spray-Formed Seaml
25、ess Ferritic/Austenitic Stainless Steel PipeA954 Specification for Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Welded Pipe (Withdrawn 2005)5A994 Guide for Editorial Procedures and Form of Product Specifications for Steel, Stainless Steel, and Related AlloysA1058 Test Methods for Mech
26、anical Testing of Steel ProductsMetricD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE213 Practice for Ultrasonic Testing of Metal Pipe and TubingE273 Practice for Ultrasonic Testing of the Weld Zone of Welded
27、 Pipe and TubingE309 Practice for Eddy Current Examination of Steel Tubular Products Using Magnetic SaturationE426 Practice for Electromagnetic (Eddy-Current) Examination of Seamless and Welded Tubular Products, Titanium,AusteniticStainless Steel and Similar AlloysE570 Practice for Flux Leakage Exam
28、ination of Ferromagnetic Steel Tubular Products2.2 ANSI Standards:B36.10 Welded and Seamless Wrought Steel Pipe6B36.19 Stainless Steel Pipe64 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume
29、 information, refer to the standards Document Summary page on the ASTM website.5 The last approved version of this historical standard is referenced on www.astm.org.6 Portions of these standards appear in ASTM Book of Standards, Vol 01.01. Full text of these standards is available from American Nati
30、onal Standards Institute (ANSI),25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.A999/A999M 1622.3 Military Standards:MIL-STD-163 Steel Mill Products, Preparation for Shipment and Storage7MIL-STD-271 Nondestructive Testing Requirements for Metals7MIL-STD-792 Identification Marking R
31、equirements for Special Purpose Equipment72.4 Federal Standard:Fed. Std. No. 183 Continuous Identification Marking of Iron and Steel Products72.5 Steel Structures Painting Council:SSPC-SP6 Surface Preparation Specification No. 6 Commercial Blast Cleaning82.6 ASNT Standards:SNT-TC-1A Recommended Prac
32、tice for Personnel Qualification and Certification in Nondestructive Testing93. Materials and Manufacture3.1 The steel shall be made by a suitable steelmaking process.3.2 If secondary melting, such as electroslag remelting or vacuum remelting, is used, the heat shall be defined as all of the ingotsr
33、emelted from a single primary heat.3.3 If steels of different grades are sequentially strand cast, the resultant transition material shall be removed using anestablished procedure that positively separates the grades.3.4 If a specific type of melting is required by the purchaser, it shall be specifi
34、ed in the purchase order.4. Terminology4.1 Definitions:4.1.1 The definitions in Terminology A941, except as modified in this specification or in its referenced product specifications,are applicable to this specification.5. Ordering Information5.1 It is the responsibility of the purchaser to specify
35、all requirements that are necessary for products ordered under theapplicable product specification and this general requirements specification. Such requirements to be considered include, but arenot limited to, the following:5.1.1 ASTM product specification and year-date,5.1.2 Name of product (for e
36、xample, stainless steel pipe),5.1.3 Quantity (feet, metres, or number of pieces),5.1.4 Method of manufacture, where applicable (seamless or welded),5.1.5 Specific type of melting, if required (see 3.4),5.1.6 Grade or UNS number,5.1.7 Size (NPS and outside diameter and schedule number, average (nomin
37、al) wall thickness (see 9.1 and 10.1), or minimumwall thickness (see 9.2 and 10.1.1), or minimum inside diameter (see 11.1),5.1.8 Length (specific or random),5.1.9 End finish,5.1.10 Optional requirements,5.1.11 Certification (see Section 25),5.1.12 Specification designation and year of issue, and5.1
38、.13 Special requirements or any supplementary requirements, or both.6. Chemical Composition6.1 Chemical AnalysisSamples for chemical analysis and method of analysis shall be in accordance with Test Methods,Practices, and Terminology A751.6.2 Heat AnalysisAn analysis of each heat of steel shall be ma
39、de by the steel manufacturer to determine the percentages ofthe specified elements. If secondary melting processes are employed, the heat analysis shall be obtained from one remelted ingotor the product of one remelted ingot of each primary melt. The chemical composition thus determined, or that det
40、ermined froma product analysis made by the tubular product manufacturer shall conform to the requirements specified.6.2.1 For steels ordered under product specifications referencing this specification of general requirements, the steel shall notcontain an unspecified element, other than nitrogen for
41、 stainless steels, for the ordered grade to the extent that the steel conformsto the requirements of another grade for which that element is a specified element having a required minimum content. For this7 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins A
42、ve., Philadelphia, PA 19111-5098, http:/dodssp.daps.dla.mil.8 Available from Steel Structures Painting Council, 4400 Fifth Ave., Pittsburgh, PA 15213.9 Available from American Society for Nondestructive Testing (ASNT), P.O. Box 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http:/www.asnt.org.A
43、999/A999M 163requirement, a grade is defined as an alloy described individually and identified by its own UNS designation in a table of chemicalrequirements within any specification listed within the scope as being covered by this specification.6.3 Product AnalysisProduct analysis requirements and o
44、ptions, if any, shall be as contained in the applicable productspecification.7. Mechanical Properties7.1 Method of Mechanical TestsThe specimens and mechanical tests required shall be in accordance with Test Methods andDefinitions A370, especially Annex A2 thereof, or Test Methods A1058.7.1.1 Unless
45、 otherwise specified in the ordering requirements, Test Methods A1058 shall apply when the metric version of theproduct specification is specified.7.2 Specimens shall be tested at room temperature.7.3 Small or subsize specimens as described in Test Methods and Definitions A370 or Test Methods A1058
46、may be used onlywhen there is insufficient material to prepare one of the standard specimens. When using small or subsize specimens, the largestone possible shall be used.8. Tensile Requirements8.1 The material shall conform to the requirements as to tensile properties in the applicable product spec
47、ification.8.2 The yield strength, if specified, shall be determined corresponding to a permanent offset of 0.2 % of the gauge length or toa total extension of 0.5 % of the gauge length under load.8.3 If the percentage of elongation of any test specimen is less than that specified and any part of the
48、 fracture is more than 34in. 19.0 mm from the center of the gauge length, as indicated by scribe marks on the specimen before testing, a retest shall beallowed.9. Permissible Variation in Mass for Seamless Pipe9.1 Except as allowed by 9.2, the mass of any length of seamless pipe in sizes NPS 12 and
49、smaller shall not vary more than10 % over or more than 3.5 % under that specified. For pipe in sizes larger than NPS 12, the mass of any length of pipe shall notvary more than 10 % over or more than 5 % under that specified. Unless otherwise specified, the mass of lengths of pipe in sizesNPS 4 and smaller shall be determined separately or in convenient lots; the mass of lengths of pipe in sizes larger than NPS 4 shallbe determined separately.9.2 Minimum WallIf the wall thickness of the pipe is specified as minimum wall in the purchase order, the mass of any length
