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本文(ASTM C1002-2018 Standard Specification for Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs《石膏板产品或金属石.pdf)为本站会员(livefirmly316)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM C1002-2018 Standard Specification for Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs《石膏板产品或金属石.pdf

1、Designation: C1002 18Standard Specification forSteel Self-Piercing Tapping Screws for Application ofGypsum Panel Products or Metal Plaster Bases to WoodStuds or Steel Studs1This standard is issued under the fixed designation C1002; the number immediately following the designation indicates the year

2、oforiginal adoption or, in the case 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.This standard has been approved for use by agencies of the U.S. Depar

3、tment of Defense.1. Scope*1.1 This specification covers steel self-piercing tappingscrews for use in fastening gypsum panel products and metalplaster bases to cold-formed steel studs less than 0.033 in.(0.84 mm) in thickness and wood members, and for fasteninggypsum panel products to gypsum board.1.

4、2 This specification also covers test methods for determin-ing performance requirements and physical properties.1.3 The values stated in inch-pound units are to be regardedas standard. The SI (metric) values given in parentheses areapproximate and are for information only.1.4 The following safety ha

5、zards caveat pertains only to thetest methods described in this specification: This standard doesnot purport to address all of the safety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety, health, and environ-mental practic

6、es and determine the applicability of regulatorylimitations prior to use.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 Rec

7、om-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A510/A510M Specification for General Requirements forWire Rods and Coarse Round Wire, Carbon Steel, andAlloy SteelA1040 Guide for Specifying Harmonized Standard

8、GradeCompositions for Wrought Carbon, Low-Alloy, and AlloySteelsC11 Terminology Relating to Gypsum and Related BuildingMaterials and SystemsC645 Specification for Nonstructural Steel Framing Mem-bersC847 Specification for Metal LathC1396/C1396M Specification for Gypsum Board3. Terminology3.1 Definit

9、ions: For definitions relating to gypsum andrelated building materials and systems, see Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 self-piercing, vthe ability to penetrate without ben-efit of a pre-drilled hole with sharp-point angles of not morethan 30.4. Classificatio

10、n4.1 Steel screws covered by this specification are of fourtypes of thread configurations:4.1.1 Type G, course-pitch high-thread self-piercing screwsfor fastening gypsum board to gypsum board.4.1.2 Type S, fine-thread screw for fastening gypsum boardto cold formed steel members.4.1.3 Type W, course-

11、thread screw for fastening gypsumboard to wood members.4.1.4 Type A, course-pitch tapping screw thread for fasten-ing metal plaster bases to wood or cold-formed steel.5. Materials5.1 Screws shall be made from steel wire manufactured inaccordance with Specification A510/A510M.5.1.1 Chemical compositi

12、on for Type G and Type W screwsshall be in accordance with Specification A1040, Grade 1013to 1022.1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systems and is the direct responsibilityof Subcommittee C11.02 on Specifications and Test

13、Methods for Accessories andRelated Products.Current edition approved April 1, 2018. Published April 2018. Originallyapproved in 1983. Last previous edition approved in 2016 as C1002 16. DOI:10.1520/C1002-18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer

14、 Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 1

15、9428-2959. United StatesThis international 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 Tec

16、hnical Barriers to Trade (TBT) Committee.15.1.2 Chemical composition for Type S and Type A screwsshall be in accordance with Specification A1040, Grade 1018to 1022.6. Physical Properties6.1 Hardness:6.1.1 The surface of Type S, Type W, and Type A screwsshall be case hardened to a depth of not less t

17、han 0.002 in.(0.05 mm) with case hardness not less than 45 HRC.6.1.2 The surface of Type G screws is not required to becase hardened.6.2 DuctilityThe screws shall have sufficient ductility tobe able to withstand a 10 bend without visible signs of fracturewhen tested as specified in 12.6.7.7. Perform

18、ance Requirements7.1 Type G Screws:7.1.1 Screws shall be able to self-pierce and drive intogypsum panel products.7.1.2 Screw threads shall be adequate to pull the head of thescrew below the surface of the gypsum panel product whentested as specified in 12.6.2.7.2 Type S Screws:7.2.1 GeneralScrews sh

19、all be able to self-pierce and driveinto cold-formed steel members in less than 2 s, when tested asspecified in 12.6.3.1.7.2.2 Screws for Fastening Gypsum Panel ProductsScrewthreads shall be adequate to pull the head of the screw belowthe surface of the gypsum panel product, without spin-out,when te

20、sted as specified in 12.6.3.7.3 Type W Screws:7.3.1 GeneralScrew threads shall be able to self-pierceand drive into wood members.7.3.2 Screws for Fastening Gypsum Panel ProductsScrewthreads shall be adequate to pull the head of the screw belowthe surface of the gypsum panel product, without spin-out

21、,when tested as specified in 12.6.6.7.4 Type A Screws:7.4.1 GeneralScrew shall be able to pierce and drive intowood or cold-formed steel members.7.4.2 Screws for Fastening Metal Plaster BasesScrewthreads shall be adequate to pull a metal plaster base tightlyenough against the face of a wood or steel

22、 stud, withoutspin-out, so that when subjected to a steady pull, the plasterbase will tear before slipping out from under the screw head,when tested in accordance with 12.6.4 or 12.6.5.8. Dimensions and Permissible Variations8.1 Head Diameter:8.1.1 GeneralHeads shall be permitted to be out of roundn

23、ot more than 0.02 in. (0.51 mm).8.1.2 Screws for Fastening Gypsum BoardNot less than0.315 in. (8 mm).8.1.3 Screws for Fastening Metal Plaster BasesNot lessthan 0.437 in. (11.1 mm).8.2 Head Contour:8.2.1 Screws for Fastening Gypsum Panel ProductsThetop of the head shall be flat. The outer flange thic

24、kness shall be0.025 6 0.005 in. (0.64 6 0.13 mm). The contour beneath theflange head shall be such that the screw head shall be able tobe driven so that the head of the screw rests immediately belowthe surface of the gypsum panel product.8.2.2 Screws for Fastening Metal Plaster BasesThe top ofthe sc

25、rew shall be either flat or contoured. The underside of thehead shall be flat or near flat. The threads shall extend to theunderside of the head.8.3 Driving Recess:8.3.1 Screws for Fastening Gypsum BoardNo. 2 “Phil-lips” design, depth of recess, not less than 0.104 in. (2.64 mm).8.3.2 Screws for Fas

26、tening Metal Plaster BasesNo. 2“Phillips” design, depth of recess, not less than 0.077 in.(1.95 mm).8.3.3 Determine depth of recess with a Phillips penetrationdepth gauge.8.3.4 Other types of screw-driving recesses having perfor-mance values equal to those of the recesses specified areacceptable.8.4

27、 Shank DiameterNot less than No. 6, with majordiameter not less than 0.136 in. (3.45 mm).8.5 Length:8.5.1 Nominal LengthThe nominal length shall be theminimum length.8.5.2 Type W and Type A screws shall be long enough topenetrate wood members not less than58 in. (15.9 mm).8.6 ThreadsEither single or

28、 multiple thread design.8.7 PointsSelf-piercing design.9. Finish and Appearance9.1 FormThe form shall be straight and neatly formed.9.2 ThreadsThe threads shall be clean and smooth.9.3 FinishScrews shall have a corrosion-resistant treat-ment. The treatment shall not inhibit adhesion to finishingcomp

29、ounds nor bleed through field-applied decoration.10. Sampling10.1 Obtain not less than 90 screws from not less than fivecontainers.11. Number of Tests and Retests11.1 Test a minimum of five screws for each test. If any ofthe first lot fails, test 25 more screws.11.2 If two or more of the second lot

30、fail the second test,then the represented lot fails to meet the specified require-ments.12. Test Methods12.1 The following test methods set forth procedures usedto determine the ability of the screws to pierce through gypsumpanel and metal plaster base and into the backup materialwithout spin-out.C1

31、002 18212.1.1 The test methods can also be used to determinewhether or not alternate screw driving recesses will haveperformance values equal to those of the “Phillips” recessspecified.12.2 Significance and UseThe test methods provide pro-cedures for evaluating the physical properties and performanc

32、erequirements of steel self-piercing screws. The degree ofcorrelation between these tests and service performance has notbeen determined.12.3 Apparatus Shall Satisfy the Following:12.3.1 Power-Driven Drill Screw Gun, capable of 4000 rpm(free spindle speed) with a depth-sensitive nose piece, supplied

33、with a screw driving bit to fit the screw used in the test.12.3.2 Stop Watch, capable of being read to the nearest0.1 s.12.3.3 ViceStandard machinists vice, not less than 3 in.(76 mm).12.3.4 ClampLocking pliers (“Vice-Grip”), 6 in.(152 mm).12.4 Materials:12.4.1 Gypsum WallboardSpecification C1396/C1

34、396M,Type X,58 in. (16 mm) thick.12.4.2 Metal LathSpecification C847, diamond mesh,weight 2.5 lb/yd2(1.4 kg/m2).12.4.3 Steel StudSpecification C645, 0.0179 in.(0.455 mm) thick, hardness not less than 52 HRB, size 358 in.(92.1 mm).12.4.4 Wood StudDouglas fir, construction grade, 2 by 4or 2 by 6, nomi

35、nal, containing not less than 16 % nor more than19 % free moisture as determined by a suitable moisture meter.12.4.5 Paper Joint TapeSpecification C475/C475M.12.5 Specimen Preparation:12.5.1 For each test, one piece of gypsum wallboard, 6 in.(150 mm) square, shall be cut from not less than 12 in.(30

36、0 mm) from the edge or end of the gypsum wallboard.12.5.2 For each test, one piece of 6 in. (150 mm) squarespecimen shall be cut from a sheet of metal lath not less than4 in. (100 mm) away from the edge or end.12.5.3 Each member to be tested shall be cut into testspecimens not less than 18 in. (460

37、mm) long.12.6 Procedure:12.6.1 GeneralDrive the screws not closer than58 in.(16 mm) from the edges of the gypsum wallboard and notcloser than 2 in. (50 mm) from the edges of the metal lath.12.6.2 Type G Screw TestRigidly support two pieces ofgypsum board sandwiched together. With a screw gun, drivet

38、he screw specimen into the gypsum boards, so that the head ofthe screw is below the surface of the gypsum board.12.6.2.1 When driving Type G screw specimens, use theforce of less than 20 lbf (89 N).12.6.2.2 Interpretation of ResultsObserve if the screwsare pulled below the surface of the gypsum boar

39、d. If any of thefive screws fail, the lot has failed the test. Retest in accordancewith Section 11.12.6.2.3 ReportReport whether the lot has passed or failedthe test.12.6.2.4 Precision and BiasNo information is presentedabout either the precision or the bias for the Type G screw testfor pulling the

40、screw head below the surface of the gypsumboard, because the test result is non-quantitative.12.6.3 Type “S” Screws Test for Fastening Board to Steel:12.6.3.1 Assemble the member, gypsum wallboard, andpaper joint tape on a rigid, flat surface. (See Fig. 1 for studs.)12.6.3.2 Prior to performing the

41、test, drive several screwswithout the paper joint tape to set the depth of the nose pieceon the screw gun, allowing the screws to be driven below thesurface of the wallboard without breaking the gypsum wall-board face paper.12.6.3.3 Drive the screw through the paper joint tape, usingthe screw gun, w

42、hile applying a force (dead weight and appliedforce) of 30 lbf (112.2 N). Drive the screw to below the surfaceof the gypsum wallboard. Record if the screw has spun out andif it exceeds2stopull the head of the screw below the surfaceof the gypsum wallboard.12.6.3.4 Interpretation of ResultsCalculate

43、the averagetime to drive the five screw specimens through the wallboardand into the steel. If any of the five specimens fail to pull thescrew head below the surface of the gypsum board or spins out,or if the average time is more than 2 s, the lot has failed. Retestin accordance with Section 11.12.6.

44、3.5 ReportReport whether the lot has passed or failedthe test and the reason for failure.12.6.3.6 Precision and BiasNo information is presentedabout either the precision or the bias for the Type S screw testfor measuring spin-out or pulling the screw head below thesurface of the gypsum board, becaus

45、e the test result isnon-quantitative. No information is presented about either theprecision or the bias for the Type S screw test for measuring thetime to drive the screw, because no material having anacceptable reference value is available.12.6.4 Type A Screws for Fastening Metal Lath to Steel:12.6

46、.4.1 When driving Type A screws, use a force of 30 lbf(133 N).12.6.4.2 Rigidly support a piece of metal lath over a steelstud specimen. With a screw gun, as described in 12.3, drivethe five screw specimens through each of the five pieces ofmetal lath, and into the steel. Measure the length of time i

47、ttakes to drive the screws and observe if there was spin-out.FIG. 1 StudsNOTE 1Wallboard specimens shall be taken a minimum of 12 in.(305 mm) from either edge and either end of wallboard panel.C1002 183Grasp the metal lath with the locking pliers and pull steadily ina plane parallel to the plane of

48、the lath. Observe whether thelath tears before it slips out from under the screw head.12.6.4.3 Interpretation of ResultsCalculate the averagetime to drive the five screw specimens through the metal lathinto the steel. If any of the five specimens fails to pull the screwhead through the metal lath an

49、d into the steel, or spins out, orif the average time is more than 2 s, or if the metal lath fails totear when pulled, the lot has failed.12.6.4.4 ReportReport whether the lot has passed or failedthe test and the reason for failure.12.6.4.5 Precision and BiasNo information is presentedabout either the precision or the bias for the Type A screw testfor measuring spin-out or pulling the screw head below thesurface of the gypsum board, because the test result isnon-quantitative. No information is presented about either theprecision or t

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