1、Designation:F68080(Reapproved 2012)Standard Test Methods forNails1This standard is issued under the fixed designation F680;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the
2、 year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These test methods cover procedures for the testing ofnails.The test or tests selected,and the requirements forcompliance,will be as specified in the applicable productstandar
3、d.Performance tests for nail withdrawal and lateral loadcapability are not included as they are covered by Test MethodsD1761.1.2 The tests described are as follows:SectionDimensional tests5Tension test6Conventional bend test7Impact bend test8Rockwell hardness test9Coating weight test10Coating adhere
4、nce test for zinc-coated nails111.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This standard does not purport to address all of t
5、hesafety problems,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2A90/A90M Test Method for Weigh
6、t Mass of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA428/A428M Test Method for Weight Mass of Coating onAluminum-Coated Iron or Steel ArticlesD1761 Test Methods for Mechanical Fasteners in WoodE18 Test M
7、ethods for Rockwell Hardness of Metallic Ma-terialsF547 Terminology of Nails for Use with Wood and Wood-Base MaterialsF592 Terminology of Collated and Cohered Fasteners andTheir Application Tools3.Terminology3.1 DefinitionsFor definitions of terms used in this testmethod,refer to Terminology F547 an
8、d F592.4.Significance and Use4.1 When specified,the tests selected for application shallbe performed to assure conformance with requirements stipu-lated in the product specification.5.Dimensional Tests5.1 Dimensions to be evaluated include,but shall not belimited to length,stock diameter,diameter or
9、 major dimensionsof head,straightness,head concentricity to shank,and length ofpoint.For mechanically deformed nails,angle,depth,andconfiguration of deformations shall be measured as specified.Other dimensional characteristics shall be measured whenrequired.Any suitable measuring means may be applie
10、d.6.Tension Test6.1 Nails are not subject to tension testing.However,wireused to make the nails may be tested as required by prioragreement or to affect mill product control.The testing of wireis covered in the general section of Test Methods A370 andSupplement IV,Round Wire Products.7.Conventional
11、Bend Test7.1 This test is used as a means of testing the ductility ofcertain types of nails or of the wires used in the manufacture ofnails.The angle of bend and the mandrel diameter will bespecified in the product specification.The cold bending shallbe performed by any hand or power device that wil
12、l deform thesample closely about a mandrel of specified diameter throughthe required angle without causing damage to the nail surface.The sample shall be considered to have failed if fracture occursprior to attainment of the required minimum bend angle.Unless otherwise specified,the conventional ben
13、d test shall not1These test methods are under the jurisdiction of ASTM Committee F16 onFasteners and are the direct responsibilities of Subcommittee F16.05 on Driven andOther Fasteners.Current edition approved Dec.1,2012.Published January 2013.Originallyapproved in 1980.Last previous edition approve
14、d in 2007 as F680-80(2007).DOI:10.1520/F0680-80R12.2For 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.Copyright ASTM
15、International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 be applied to annularly threaded nails or to the region of a nailexhibiting gripper marks.8.Impact Bend Test8.1 The impact test is primarily applicable to the testing ofpallet nails to assess their suitabi
16、lity for that application.Thetesting device is shown in Fig.1 and its operation is describedin Annex A1.For any given diameter,the data from this testcan be correlated with Rockwell hardness used to specify themechanical properties of the nail.The impact bend test isintended as a convenient test that may be used in manufactur-ing and consumer quality monitoring of mechanical properties.However,in the case of dispute,the Rockwell hardness test,supplemented by the conventional bend test,will be co
