1、Designation: A690/A690M 07 (Reapproved 2012)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 immedi
2、ately 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 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 application
4、s 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 ordinary c
5、arbon 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 estimating
6、 atmospheric corrosion resistanceof low-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 X 3 of Specifi-cation A6/A6M for information on weldability.1.4
7、 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 syste
8、msmay result in nonconformance with the specification.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 Specification for Steel Sheet P
9、ilingG101 Guide for Estimating the Atmospheric CorrosionResistance 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 specific structural productorde
10、red, 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 that have been cut to individual
11、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),cutting to length, testing, inspect
12、ion, 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 to1This specification is under the jurisdiction of A
13、STM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.02 on Structural Steel for Bridges, Buildings, Rolling Stock and Ships.Current edition approved March 1, 2012. Published April 2012. Originallyapproved in 1974. Last previous edition app
14、roved in 2007 as A690/A690M 07.DOI: 10.1520/A0690_A0690M-07R12.2For referenced ASTM standards, visit the ASTM website, www.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 websit
15、e.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.be reported for each qualifying coil. Additional requirements regardingstructural products produced from coil are described in SpecificationA6/A6M.4. Materials and Manufacture4.1 The
16、steel shall be semi-killed or 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 tolerances in Specification A6/A6M.5.3 Cho
17、ice 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 in the purchaser order or contra
18、ct, 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 cautioned that the Guide G101 se
19、ction 6.3.1predictive 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 requirements as to tensile propertie
20、s 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 apply unless specified in the purchas
21、e 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. The minimum strength of the interlocked joint requiredfor ce
22、rtain services may be specified for certain sheet pilingsections subject to specific agreement between the materialpurchaser and the manufacturer.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of
23、 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 subject to revision at any time by the responsible technical committee and must be reviewed every five
24、 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 Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical co
25、mmittee, 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 standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA
26、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 serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the
27、 standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Chemical RequirementsElementComposition, % HeatAnalysisCarbon, max 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 per
28、centage point below the specifiedcarbon maximum, an increase of 0.06 percentage points manganese above thespecified maximum is permitted, up to a maximum 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 07 (2012)2
