1、Designation: D5933 96 (Reapproved 2013)Standard Specification for258-in. and 4-in. Diameter Metal Shear Plates for Use inWood Constructions1This standard is issued under the fixed designation D5933; the number immediately following the designation indicates the year oforiginal adoption or, in the ca
2、se of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers standardizing the dimensionsand materials for the manufacture of
3、 258 and 4-in. diametersteel or cast iron shear plates used in the fabrication ofconnections in wood constructions. The referencing of thisspecification in design, construction, and purchase order docu-ments gives the using parties ensurance that the shear plates tobe used in an assembly meet minimu
4、m materials qualitystandards and that dimensions for fabrication and finish can berelied on to ensure connection performance. This specificationprovides regulatory agencies with a set of standards by whichto judge the acceptability of shear plates encountered in thefield and in fabricators shops.1.2
5、 The values stated in inch-pound units are to be regardedas standard. The values in parentheses are for information only.1.3 Safety HazardsThere are no known hazards with theuse of this specification. The products manufactured to thisspecification should not be brittle or difficult to install withpr
6、oper tools.2. Referenced Documents2.1 ASTM Standards:2A47/A47M Specification for Ferritic Malleable Iron Cast-ingsA153/A153M Specification for Zinc Coating (Hot-Dip) onIron and Steel HardwareA570/A570M Specification for Structural Steel, Sheet andStrip, Carbon, Hot-Rolled (Withdrawn 2000)3A653/A653M
7、 Specification for Steel Sheet, Zinc-Coated(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)by the Hot-Dip ProcessA924/A924M Specification for General Requirements forSteel Sheet, Metallic-Coated by the Hot-Dip Process2.2 Other Document:AISI/SAE No. 1010 Carbon Steel, Steel Products Manual,Plate
8、s, Iron and Steel Society3. Terminology3.1 Definitions:3.1.1 shear plateA round, cast, or stamped disk-likeload-transfer device having a flat base and a perimeter bearingrim protruding in one direction normal to the base, with a holepassing through the center of the disk to accommodate anattachment
9、bolt or lag screw.3.1.1.1 DiscussionThe fastener hole at the center mayhave an additional bearing hub. If a bearing hub is present itprojects in the same direction as the bearing rim. A shear plateis installed into one or more faces of a piece of wood to transfershear forces between the member conta
10、ining the shear plate orplates and adjacent members which may be of wood or steel.This shear transfer is accomplished through the bolt or lagscrew.4. Classification4.1 This specification covers the two basic diameters ofmetal shear plates commonly used in North American timberconstruction258 in. (66
11、.7-mm) diameter stamped steel ormalleable cast iron, and 4-in. (102.1-mm) diameter malleablecast iron. The use of these shear plates is covered in theNational Design Specification for Wood Construction4andother wood design documents.5. Materials and Manufacture5.1 General:5.1.1 Cast iron shear plate
12、s shall be free from any castingdefects such as voids, irregular holes or sharp burrs greaterthan 0.03 in. (0.8 mm), or any other casting defect that wouldhinder normal installation and performance. All residual metalat casting gate locations and any other protrusions that would1This specification i
13、s under the jurisdiction of ASTM Committee D07 on Woodand is the direct responsibility of Subcommittee D07.05 on Wood Assemblies.Current edition approved April 1, 2013. Published April 2013. Originallyapproved in 1997. LAst previous edition approved in 2007 as D5933 96 (2007).DOI: 10.1520/D5933-96R1
14、3.2For 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 website.3The last approved version of this historical standard is r
15、eferenced onwww.astm.org.4Available from the American Forest and Paper Association, 1111 19th St., NW,Suite 800, Washington, DC 20036.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1prevent the proper installation and fit of the plate
16、s shall beground smooth or otherwise removed.5.1.2 Shear plates shall be permanently marked with themanufacturers name or a readily recognizable logo, or both;the number of this ASTM standard; the country of origin; andthe model number, if applicable. Such marking may be on anynonbearing surface and
17、 shall be recessed into the device so asnot to interfere with installation or weaken the finished shearplate.5.1.3 Shear plates shall have two diametrically opposedholes which can be used to nail-attach the plate in the piece ofwood in which it is installed to facilitate shipping and handlingwithout
18、 dislodging of the plate. See Fig. 1, Fig. 2, and Fig. 3.5.1.4 Casting draft on the rim and on the hub, if present, ofcast iron shear plates shall be minimal and as shown tofacilitate removal from the mold without diminishing strengthor creating a poor fit into cutterhead grooves (see Fig. 2 andFig.
19、 3).5.1.5 Central bolt or lag screw holes shall be of the diametershown and have uniformly straight sides to promote fullbearing (see Fig. 1, Fig. 2 , and Fig. 3).5.1.6 Shear plates may be furnished with or without galva-nization depending on the exposure of the installed device.Galvanization shall
20、conform to Specification A653/A653M orSpecification A924/A924M for stamped steel shear plates orSpecification A153/A153M for cast iron shear plates.5.1.7 Since slight variations in some dimensions arepermitted, each shear plate manufacturer shall have availablethe special groove cutting tools necess
21、ary to properly install thestandard shear plates of his manufacture.5.1.8 Overall fit and finish shall be uniform.5.2 258-in. Diameter Stamped Steel Shear Plates:5.2.1 Shear plates shall be stamped from SpecificationA570/A570M or AISI/SAE No. 1010 carbon steel.5.2.2 The geometry and dimensions of th
22、e finished shearplate shall be as shown in Fig. 1.5.3 258-in. Diameter Cast Iron Shear Plates:5.3.1 Shear plates shall be cast from Specification A47/A47M, Grade 32510 malleable iron.5.3.2 The geometry and dimensions of the finished shearplate prior to application of any protective coating shall be
23、asshown in Fig. 2.5.4 4-in. Diameter Cast Iron Shear Plates:5.4.1 Shear plates shall be cast from Specification A47/A47M, Grade 32510 malleable iron.5.4.2 The geometry and dimensions of the finished shearplate prior to application of any protective coating shall be asshown in Fig. 3.5.4.2.1 Nail att
24、achment holes shall have nail head recesses0.05 in. (1.3 mm) deep as shown in Fig. 3.5.4.2.2 Additional lightening holes may be provided asshown in Fig. 3.NOTE 1Make from Specification A570/A570M orAISI/SAE No. 1010 carbon steel. Tolerance on all dimensions except sheet steel thickness: 60.020in. To
25、lerance on sheet steel thickness per manufacturing specifications.FIG. 1 258-in. Diameter Stamped Steel Shear PlateD5933 96 (2013)26. Keywords6.1 connections; connectors; structural timber; timberjoints; wood; wood constructionsNOTE 1Make from Specification A47/A47M, Grade 32510 malleable cast iron.
26、 Bolt hole shall be round and reamed as necessary.TOLERANCESAll dimensions: 60.030 in.FIG. 2 258-in. Diameter Cast Iron Shear PlateD5933 96 (2013)3APPENDIX(Nonmandatory Information)X1. RATIONALEX1.1 The importation into North America of metal shearplates of questionable quality and workmanship demon
27、stratedthe need for an ASTM standard specification for metal shearplate manufacture. Despite the fact that stamped steel and castiron shear plates have been used in timber construction inNorthAmerica since the 1930s, no consensus standard exists toensure that metal shear plates in the marketplace ar
28、e of uniformsize and quality and can be counted on to perform as intended.This specification is based on the manufacturing standards ofseveral North American shear plate producers that have proventhe quality and reliability of their products over time.NOTE 1Make from Specification A47/A47M, Grade 32
29、510 malleable cast iron. Bolt hole shall be round and reamed as necessary.TOLERANCESOverall diameter 60.040 in. All other dimensions: 60.030 in.FIG. 3 4-in. Diameter Cast Iron Shear PlateD5933 96 (2013)4ASTM International takes no position respecting the validity of any patent rights asserted in con
30、nection 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 subject to revision at any time by the respon
31、sible 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 Headquarters. Your comments will receive careful
32、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 standard is copyrighted by ASTM International, 1
33、00 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). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D5933 96 (2013)5
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