1、Designation: A690/A690M 13a (Reapproved 2018)Standard Specification forHigh-Strength Low-Alloy Nickel, Copper, Phosphorus SteelH-Piles and Sheet Piling with Atmospheric CorrosionResistance for Use in Marine Environments1This standard is issued under the fixed designation A690/A690M; the number immed
2、iately 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 () indicates an editorial change since the last revision or reapproval.This standard has
3、 been approved for use by agencies of the U.S. Department of Defense.1. Scope1.1 This specification covers high-strength low-alloy nickel,copper, phosphorus steel H-piles and sheet piling of structuralquality for use in the construction of dock walls, sea walls,bulkheads, excavations, and like appli
4、cations in marine envi-ronments.1.2 The atmospheric corrosion resistance of this steel issubstantially better than that of ordinary carbon steels with orwithout copper addition (see Note 1). The steel has also shownto have substantially greater resistance to seawater “SplashZone” corrosion than ordi
5、nary carbon steel (SpecificationsA36/A36M and A328/A328M) where exposed to the washingaction of rain and the drying action of the wind or sun, or both.Where the steel is not boldly exposed, the usual provisions forthe protection of ordinary carbon steel should be considered.NOTE 1For methods of esti
6、mating atmospheric corrosion resistance oflow-alloy steels, see Guide G101.1.3 When the steel is to be welded, it is presupposed that awelding procedure suitable for the grade of steel and intendeduse or service will be utilized. See Appendix X3 of Specifica-tion A6/A6M for information on weldabilit
7、y.1.4 The values stated in either inch-pound units or SI unitsare to be regarded as standard. Within the text, the SI units areshown in brackets. The values stated in each system are notexact equivalents; therefore, each system must be used inde-pendently of the other. Combining values from the two
8、systemsmay result in nonconformance with the specification.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations
9、issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A6/A6M Specification for General Requirements for RolledStructural Steel Bars, Plates, Shapes, and Sheet PilingA36/A36M Specification for Carbon Structural SteelA328/A328M Spe
10、cification for Steel Sheet PilingG101 Guide for Estimating the Atmospheric Corrosion Re-sistance of Low-Alloy Steels3. General Requirements for Delivery3.1 Structural products furnished under this specificationshall conform to the requirements of the current edition ofSpecification A6/A6M, for the s
11、pecific structural productordered, unless a conflict exists in which case this specificationshall prevail.3.2 Coils are excluded from qualification to this specifica-tion until they are processed into a finished structural product.Structural products produced from coil means structural prod-ucts tha
12、t have been cut to individual lengths from a coil. Theprocessor directly controls, or is responsible for, the operationsinvolved in the processing of a coil into finished structuralproduct. Such operations include decoiling, leveling orstraightening, hot-forming or cold-forming (if applicable),cutti
13、ng to length, testing, inspection, conditioning, heat treat-ment (if applicable), packaging, marking, loading for shipment,and certification.NOTE 2For structural products produced from coil and furnishedwithout heat treatment or with stress relieving only, two test results are tobe reported for each
14、 qualifying coil. Additional requirements regardingstructural products produced from coil are described in SpecificationA6/A6M.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.02 on Str
15、uctural Steel for Bridges, Buildings, Rolling Stock and Ships.Current edition approved March 1, 2018. Published March 2018. Originallyapproved in 1974. Last previous edition approved in 2013 as A690/A690M 13a.DOI: 10.1520/A0690_A0690M-13AR18.2For referenced ASTM standards, visit the ASTM website, ww
16、w.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis i
17、nternational standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT)
18、 Committee.14. Materials and Manufacture4.1 The steel shall be killed.5. Chemical Composition5.1 The heat analysis shall conform to the requirementsprescribed in Table 1.5.2 The steel shall conform on product analysis to therequirements prescribed in Table 1, subject to the productanalysis tolerance
19、s in Specification A6/A6M.5.3 Choice and use of alloying elements, combined with thelisted element requirements prescribed in 5.1 to give themechanical properties prescribed in Section 6.1, shall be madeby the manufacturer and included and reported in the heatanalysis of the steel.5.4 When specified
20、 in the purchaser order or contract, theatmospheric corrosion resistance index, calculated on the basisof the heat analysis of the steel, as described in section 6.3.2 ofGuide G101, shall be determined, the minimum index valueshall be by agreement between purchaser and manufacturer.NOTE 3The user is
21、 cautioned that the Guide G101, section 6.3.1,predictive equation (predictive method based upon the data of Larabee andCoburn) is not applicable to this steel, due to composition limits listed forthis method.6. Tension Test6.1 The material, as represented by the test specimens, shallconform to the r
22、equirements as to tensile properties prescribedin Table 2.7. Keywords7.1 bulkheads; corrosion resistance; dock walls; excava-tions; high-strength; H-piles; low-alloy; marine environments;sea walls; sheet piling; steel; structural steelSUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not ap
23、ply unless specified in the purchase order or contract.Standardized supplementary requirements for use at the option of the purchaser are listed inSpecification A6/A6M. In addition, the following supplementary requirement is also suitable for usewith this specification.S99. Interlock StrengthS99.1 T
24、he minimum strength of the interlocked joint re-quired for certain services may be specified for straight web(PS type) and arched web (PSA type) sheet piling sectionssubject to specific agreement between the material purchaserand the manufacturer.ASTM International takes no position respecting the v
25、alidity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is s
26、ubject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headq
27、uarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This stan
28、dard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or se
29、rviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Chemical RequirementsElementComposition, % HeatAnalysisCarbon, m
30、ax 0.22ManganeseA0.600.90Phosphorus 0.080.15Sulfur, max 0.04Silicon, max 0.40Copper, min 0.50Nickel 0.400.75AManganese, for each reduction of 0.01 percentage point below the specifiedcarbon maximum, an increase of 0.06 percentage points manganese above thespecified maximum is permitted, up to a maxi
31、mum of 1.10 %.TABLE 2 Tensile RequirementsTensile strength, min, ksi MPa 70 485Yield point, min, ksi MPa 50 345Elongation in 8 in. 200 mm, min, % 18AElongation in 2 in. 50 mm, min, % 21ASee elongation requirement adjustments under the Tension Tests section ofSpecification A6/A6M. See specimen orientation under the tension tests section ofSpecification A6/A6M.A690/A690M 13a (2018)2
