ASTM A36 A36M-2005 Standard Specification for Carbon Structural Steel.pdf

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1、Designation: A 36/A 36M 05Standard Specification forCarbon Structural Steel1This standard is issued under the fixed designation A 36/A 36M; 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 pare

2、ntheses 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. Scope*1.1 This specification2covers carbon steel shapes, plates,and bars of

3、structural quality for use in riveted, bolted, orwelded construction of bridges and buildings, and for generalstructural purposes.1.2 Supplementary requirements are provided for use whereadditional testing or additional restrictions are required by thepurchaser. Such requirements apply only when spe

4、cified in thepurchase order.1.3 When the steel is to be welded, a welding proceduresuitable for the grade of steel and intended use or service is tobe utilized. See Appendix X3 of Specification A 6/A 6M forinformation on weldability.1.4 The values stated in either inch-pound units or SI unitsare to

5、be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system is tobe used independently of the other, without combining valuesin any way.1.5 The text of this specification contains notes or f

6、ootnotes,or both, that provide explanatory material. Such notes andfootnotes, excluding those in tables and figures, do not containany mandatory requirements.1.6 For structural products produced from coil and fur-nished without heat treatment or with stress relieving only, theadditional requirements

7、, including additional testing require-ments and the reporting of additional test results, of A 6/A 6Mapply.2. Referenced Documents2.1 ASTM Standards:3A 6/A 6M Specification for General Requirements forRolled Structural Steel Bars, Plates, Shapes, and SheetPilingA 27/A 27M Specification for Steel Ca

8、stings, Carbon, forGeneral ApplicationA 307 Specification for Carbon Steel Bolts and Studs,60 000 psi Tensile StrengthA 325 Specification for Structural Bolts, Steel, HeatTreated, 120/105 ksi Minimum Tensile StrengthA 325M Specification for Structural Bolts, Steel, HeatTreated 830 MPa Minimum Tensil

9、e Strength MetricA 500 Specification for Cold-Formed Welded and SeamlessCarbon Steel Structural Tubing in Rounds and ShapesA 501 Specification for Hot-Formed Welded and SeamlessCarbon Steel Structural TubingA 502 Specification for Rivets, Steel, StructuralA 563 Specification for Carbon and Alloy Ste

10、el NutsA 563M Specification for Carbon and Alloy Steel NutsMetricA 1011/A 1011M Specification for Steel, Sheet and Strip,Hot-Rolled, Carbon, Structural High Strengh Low Alloy,and High Strength Low Alloy with Improved FormabilityA 668/A 668M Specification for Steel Forgings, Carbonand Alloy, for Gene

11、ral Industrial UseF 568M Specification for Carbon andAlloy Steel ExternallyThreaded Metric Fasteners3. Appurtenant Materials3.1 When components of a steel structure are identified withthis ASTM designation but the product form is not listed in thescope of this specification, the material shall confo

12、rm to one ofthe standards listed in Table 1 unless otherwise specified by thepurchaser.4. General Requirements for Delivery4.1 Structural products furnished under this specificationshall conform to the requirements of the current edition ofSpecification A 6/A 6M, for the specific structural producto

13、rdered, unless a conflict exists in which case this specificationshall prevail.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

14、Stock, and Ships.Current edition approved March 1, 2005. Published March 2005. Originallyapproved in 1960. Last previous edition approved in 2004 as A 36/A 36M 04.2For ASME Boiler and Pressure Vessel Code Applications, see related Specifi-cations SA-36 in Section II of that Code.3For referenced ASTM

15、 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 website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM

16、 International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.2 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

17、 been cut to individual lengths from a coil. Theprocessor directly controls, or is responsible for, the operationsinvolved in the processing of a coil into a finished structuralproduct. Such operations include decoiling, leveling orstraightening, hot-forming or cold-forming (if applicable),cutting t

18、o length, testing, inspection, conditioning, heat treat-ment (if applicable), packaging, marking, loading for shipment,and certification.NOTE 1For structural products produced from coil and furnishedwithout heat treatment or with stress relieving only, two test results are tobe reported for each qua

19、lifying coil. Additional requirements regardingstructural products produced from coil are described in SpecificationA 6/A 6M.5. Bearing Plates5.1 Unless otherwise specified, plates used as bearing platesfor bridges shall be subjected to mechanical tests and shallconform to the tensile requirements o

20、f Section 8.5.2 Unless otherwise specified, mechanical tests shall not berequired for plates over 112 in. 40 mm in thickness used asbearing plates in structures other than bridges, subject to therequirement that they shall contain 0.20 to 0.33 % carbon byheat analysis, that the chemical composition

21、shall conform tothe requirements of Table 2 in phosphorus and sulfur content,and that a sufficient discard shall be made to secure soundplates.6. Materials and Manufacture6.1 The steel for plates and bars over12 in. 12.5 mm inthickness and shapes with flange or leg thicknesses over 1 in.25 mm shall

22、be semi-killed or killed.7. Chemical Composition7.1 The heat analysis shall conform to the requirementsprescribed in Table 2, except as specified in 5.2.7.2 The steel shall conform on product analysis to therequirements prescribed in Table 2, subject to the productanalysis tolerances in Specificatio

23、n A 6/A 6M.8. Tension Test8.1 The material as represented by the test specimen, exceptas specified in 5.2 and 8.2, shall conform to the requirements asto the tensile properties prescribed in Table 3.8.2 Shapes less than 1 in.2645 mm2 in cross section andbars, other than flats, less than12 in. 12.5 m

24、m in thickness ordiameter need not be subjected to tension tests by the manu-facturer, provided that the chemical composition used isappropriate for obtaining the tensile properties in Table 3.9. Keywords9.1 bars; bolted construction; bridges; buildings; carbon;plates; riveted construction; shapes;

25、steel; structural steel;welded constructionTABLE 1 Appurtenant Material SpecificationsNOTE 1The specifier should be satisfied of the suitability of thesematerials for the intended application. Chemical composition and/ormechanical properties may be different than specified in A 36/A 36M.Material AST

26、M DesignationSteel rivets A 502, Grade 1Bolts A 307,GradeAorF 568M, Class 4.6High-strength bolts A 325 or A 325MSteel nuts A 563 or A 563MCast steel A 27/A 27M, Grade 6535 450240Forgings (carbon steel) A 668, Class DHot-rolled sheets and strip A 1011/A 1011M, SS Grade 36250 Type1 or Type 2 or A 1018

27、/A 1018M SSGrade 36250Cold-formed tubing A 500, Grade BHot-formed tubing A 501Anchor bolts F 1554TABLE 2 Chemical RequirementsNOTE 1 Where “. . .” appears in this table, there is no requirement. The heat analysis for manganese shall be determined and reported as describedin the heat analysis section

28、 of Specification A 6/A 6M.Product ShapesAPlatesBBarsBThickness, in. mm AllTo3420,inclOver34to 11220to40,inclOver 112to 21240to65,inclOver 212to 465 to 100,inclOver 4100To3420,inclOver34to 11220to40,inclOver 112to 4100,inclOver 4100Carbon, max, % 0.26 0.25 0.25 0.26 0.27 0.29 0.26 0.27 0.28 0.29Mang

29、anese, % . . 0.801.20 0.801.20 0.851.20 0.851.20 . 0.600.90 0.600.90 0.600.90Phosphorus, max, % 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04Sulfur, max, % 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05Silicon, % 0.40 max 0.40 max 0.40 max 0.150.40 0.150.40 0.150.40 0.40 max 0.40 max 0.40 max

30、 0.40 maxCopper, min, % when cop-per steel is specified0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20AManganese content of 0.851.35 % and silicon content of 0.150.40 % is required for shapes with flange thickness over 3 in. 75 mm.BFor each reduction of 0.01 percentage point below the specified ca

31、rbon maximum, an increase of 0.06 percentage point manganese above the specified maximumwill be permitted, up to the maximum of 1.35 %.A 36/A 36M 052SUPPLEMENTARY REQUIREMENTSThese requirements shall not apply unless specified in the order.Standardized supplementary requirements for use at the optio

32、n of the purchaser are listed inSpecification A 6/A 6M. Those that are considered suitable for use with this specification are listed bytitle:S5. Charpy V-Notch Impact Test.S30. Charpy V-Notch Impact Test for Structural Shapes:Alternate Core LocationS32. Single Heat BundlesS32.1 Bundles containing s

33、hapes or bars shall be from asingle heat of steel.In addition, the following optional supplementaryrequirement is also suitable for use with this specification:S97. Limitation on Rimmed or Capped SteelS97.1 The steel shall be other than rimmed or capped.SUMMARY OF CHANGESCommitteeA01 has identified

34、the location of the following changes to this standard sinceA36/A36M-03a thatmay impact the use of this standard. (Approved March 1, 2005.)(1) Paragraph 6.1 was revised.Committee A01 has identified the location of the following changes to this standard since A 36/A 36M-03a that may impactthe use of

35、this standard. (Approved April 1, 2004.)(1) Table 2 has been revised to make Footnote B also applyto bars.(2) Supplementary Requirement S32 was added.TABLE 3 Tensile RequirementsAPlates, Shapes,Band Bars:Tensile strength, ksi MPa 5880 400550Yield point, min, ksi MPa 36 250CPlates and BarsD,E:Elongat

36、ion in 8 in. 200 mm, min, % 20Elongation in 2 in. 50 mm, min, % 23Shapes:Elongation in 8 in. 200 mm, min, % 20Elongation in 2 in. 50 mm, min, % 21BASee the Orientation subsection inthe Tension Tests section of SpecificationA6/A6M.BFor wide flange shapes with flange thickness over 3 in. 75 mm, the 80

37、 ksi 550MPa maximum tensile strength does not apply and a minimum elongation in 2 in.50 mm of 19 % applies.CYield point 32 ksi 220 MPa for plates over 8 in. 200 mm in thickness.DElongation not required to be determined for floor plate.EFor plates wider than 24 in. 600 mm, the elongation requirement

38、is reducedtwo percentage points. See the Elongation Requirement Adjustments subsectionunder the Tension Tests section of Specification A6/A6M.A 36/A 36M 053ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard

39、. 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 subject to revision at any time by the responsible technical committee and must be reviewed

40、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 Headquarters. Your comments will receive careful consideration at a meeting of theresponsible te

41、chnical 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 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 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).A 36/A 36M 054