1、Designation: A827/A827M 14Standard Specification forPlates, Carbon Steel, for Forging and Similar Applications1This standard is issued under the fixed designation A827/A827M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year
2、 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 been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification covers c
3、arbon steel plates, forgingquality, intended for forging, quenching-and-tempering, andsimilar applications in which uniformity of composition andfreedom from injurious imperfections are important.1.2 The plates are available in six grades, or chemicalcompositions.1.3 When the steel is to be welded,
4、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 weldability.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The va
5、lues stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.2. Referenced Documents2.1 ASTM Standards:2A6/A6M Specification for General Requirements for Rol
6、ledStructural Steel Bars, Plates, Shapes, and Sheet Piling2.2 ASME Code:3ASME Boiler and Pressure Vessel Code, Section IX3. General Requirements and Ordering Information3.1 Material furnished under this specification shall con-form to the requirements of the current edition of SpecificationA6/A6M, f
7、or the ordered material, unless a conflict exists inwhich case this specification shall prevail.4. Materials and Manufacture4.1 The steel shall be killed.5. Chemical Composition5.1 The heat analysis shall conform to the requirements forthe applicable grade listed in Table 1.6. Mechanical Property Re
8、quirements6.1 The plates shall not be subject to mechanical propertytesting unless otherwise specified on the order.7. Quality7.1 GeneralThe plates shall be free of injurious imperfec-tions and shall have a workmanlike finish.7.2 FinishThe plates shall be furnished with a finish suchas that produced
9、 by hot-rolling, except for ground areasresulting from conditioning operations, unless otherwise speci-fied on the order.7.3 Surface Imperfections:7.3.1 All injurious surface imperfections shall be removedby the material manufacturer or processor.7.3.1.1 Shallow imperfections shall be ground to soun
10、dmetal; the ground area shall be well-faired and the thickness ofthe ground plate shall not be reduced below the minimumthickness permitted.7.3.1.2 All surface imperfections, the removal of which willreduce the plate thickness below the minimum permitted, shallbe cause for rejection; however, such i
11、mperfections may berepaired by welding as provided in 7.5.7.4 Edge Imperfections:7.4.1 Laminar-type discontinuities 1 in. 25 mm and less inlength, and visible to the unaided eye on the edges of plates asprepared for shipment by the manufacturer or processor, areacceptable and do not require explorat
12、ion.7.4.2 All larger discontinuities shall be explored to deter-mine their depth and extent. Discontinuities shall be consideredcontinuous when located in the same plane within 5 % of theplate thickness and when separated by a distance less than thelength of the smaller of two adjacent discontinuiti
13、es.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 Structural Steel for Bridges, Buildings, Rolling Stock and Ships.Current edition approved May 1, 2014. Published May 2014. Orig
14、inallyapproved in 1984. Last previous edition approved in 2011 as A827/A827M 11.DOI: 10.1520/A0827_A0827M-14.2For 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 sta
15、ndards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Two Park Ave., New York, NY 10016-5990, http:/www.asme.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 1
16、00 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States17.4.3 Indications visible to the unaided eye, on the cut edgesof a plate as prepared for shipment by the manufacturer orprocessor shall not exceed the limits given in Columns 1 and 2of Table 2.7.4.4 Larger indications
17、 shall be removed by the manufac-turer or processor by grinding provided the resultant cavitydoes not exceed the limits given in Columns 3 and 4 of Table2.7.4.5 Indications of greater magnitude shall be cause forrejection; however, the defects may be removed and replacedwith weld metal as provided i
18、n 7.5.7.4.6 Indications on the edges of a plate cut during fabrica-tion shall be cause for rejection of the plate, at the discretion ofthe purchaser, when the magnitude exceeds the limits given inColumns 5 and 6 of Table 2. The defects may be removed andreplaced with weld metal as provided in 7.5.7.
19、5 Repair by Welding:7.5.1 Repairs shall be done by welders or welding operatorsmeeting the qualification requirements of ASME Boiler andPressure Vessel Code.7.5.2 The welding procedures shall be demonstrated to besuitable for the grade of material being repaired.7.5.3 The deposited weld metal shall
20、have a chemicalcomposition similar to the nominal composition of the plate.7.5.4 Preparation for repair welding shall include inspectionto assure complete removal of the defect.7.5.5 If repair by welding is not acceptable, or if approval ofthe welding procedure by the purchaser is required, the orde
21、rshall so specify.8. Certification8.1 A report of the heat analysis and the results of all testsrequired by the order shall be furnished to the purchaser. Thereport shall include a certification that the material wasmanufactured in accordance with the requirements of thisspecification.9. Keywords9.1
22、 carbon; forging; imperfections; plates; quenching; steel;structural steel; tempering; uniformity of compositionSUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not apply unless specified in the purchase order or contract.Standardized supplementary requirements for use at the option of the
23、 purchaser are listed inSpecification A6/A6M. Those that are considered suitable for use with this specification are listed bytitle:S1. Vacuum Treatment,S2. Product Analysis,S5. Charpy V-Notch Impact Test, andS8. Ultrasonic Examination.TABLE 1 Chemical RequirementsGrade Element, %SAE Carbon Manganes
24、e Phosphorus, max Sulfur, max Silicon1009 0.15 max 0.60 max 0.030 0.030 0.15 to 0.401020 0.18 to 0.23 0.30 to 0.60 0.030 0.030 0.15 to 0.401035 0.32 to 0.38 0.60 to 0.90 0.030 0.030 0.15 to 0.401040 0.37 to 0.44 0.60 to 0.90 0.030 0.030 0.15 to 0.401045 0.43 to 0.50 0.60 to 0.90 0.030 0.030 0.15 to
25、0.401050 0.48 to 0.55 0.60 to 0.90 0.030 0.030 0.15 to 0.40TABLE 2 Visible Edge Indications Extending Approximately Parallel to Rolled SurfacesPlate ThicknessAcceptable Remove by Grinding Acceptable on Edges Cut in FabricationDepth LengthADepth LengthADepth LengthAColumn 1 2 3 4 5 6to 6 in. 150 mm,
26、incl116 in. 2 mm, max any over116 in. to18 in. 2 to3 mm, inclover 1 in. 25 mm18 in. 3 mm, max anyover 6 in. 150 mm18 in. 3 mm, max any over18 in. to12 in. 3 to13 mm, inclover 1 in. 25 mm12 in. 13 mm, max anyALaminar-type discontinuities 1 in. 25 mm and less in length are acceptable and do not requir
27、e exploration.A827/A827M 142ADDITIONAL SUPPLEMENTARY REQUIREMENTSIn addition, the following special supplementary requirements are also suitable for use with thisspecification.S82. Hardness TestsS82.1 Hardness tests shall be made as specified on the orderand the test results shall conform to the req
28、uirements specifiedon the order.S95. Tension Test RequirementsS95.1 Two tension tests shall be made on each lot unless thelot consists of only the product of one plate as-rolled, in whichcase one test shall be made on the lot. A lot shall consist of allplates of the same heat not differing in thickn
29、ess by more than38 in. 10 mm. The test results shall conform to the require-ments stated on the order.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue(A827/A827M 11) that may impact the use of this standard. (Approved May 1, 2014.)
30、(1) Modified phosphorous and sulfur limits in Table 1.ASTM International takes no position respecting the validity 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 r
31、ights, 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 years andif not revised, either reapproved or withdrawn. Your comments are invited either f
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33、ng 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 19428-2959,United States. Individual reprints (single or multiple copies) of this standard m
34、ay 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 standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).A827/A827M 143
