1、Designation:B3208(Reapproved 2014)Standard Specification forSolder Metal1This standard is issued under the fixed designation B32;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 indicat
2、es the year of last reapproval.Asuperscriptepsilon()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.Scope1.1 This specification covers solder metal alloys(commonlyknown as soft solders)used in
3、non-electronic applications,including but not limited to,tin-lead,tin-antimony,tin-antimony-copper-silver,tin-antimony-copper-silver-nickel,tin-silver,tin-copper-silver,and lead-tin-silver,used for the pur-pose of joining together two or more metals at temperaturesbelow their melting points.Electron
4、ic grade solder alloys andfluxed and non-fluxed solid solders for electronic solderingapplications are not covered by this specification as they areunder the auspices of IPC Association Connecting ElectronicIndustries.1.1.1 These solders include those alloys having a liquidustemperature not exceedin
5、g 800F(430C).1.1.2 This specification includes solders in the form of solidbars,ingots,powder and special forms,and in the form of solidand flux-core ribbon,wire,and solder paste.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalc
6、onversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to become familiarwith all hazards including those
7、identified in the appropriateMaterial Safety Data Sheet(MSDS)for this product/materialas provided by the manufacturer,to establish appropriatesafety and health practices,and determine the applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D269 Test Method f
8、or Insoluble Matter in Rosin and RosinDerivativesD464 Test Methods for Saponification Number of NavalStore Products Including Tall Oil and Other RelatedProductsD465 Test Methods for Acid Number of Naval StoresProducts Including Tall Oil and Other Related ProductsD509 Test Methods of Sampling and Gra
9、ding RosinE28 Test Methods for Softening Point of Resins Derivedfrom Pine Chemicals and Hydrocarbons,by Ring-and-Ball ApparatusE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE46 Test Methods for Chemical Analysis of Lead-andTin-Base Solder(Withdrawn
10、 1994)3E51 Method for Spectrographic Analysis of Tin Alloys bythe Powder Technique(Withdrawn 1983)3E55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical CompositionE87 Methods for ChemicalAnalysis of Lead,Tin,Antimonyand Their Alloys(Photometric Method)(Withdraw
11、n1983)3E88 Practice for Sampling Nonferrous Metals and Alloys inCast Form for Determination of Chemical Composition2.2 Federal Standard:4Fed.Std.No.123 Marking for Shipment(Civil Agencies)2.3 Military Standard:5MIL-STD-129 Marking for Shipment and Storage3.Terminology3.1 Definitions:3.1.1 producer,n
12、the primary manufacturer of the mate-rial.3.2 Definitions of Terms Specific to This Standard:1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.02 on Refined Lead,Tin,Antimony,and Their Alloys.Current
13、 edition approved Oct.1,2014.Published October 2014.Originallyapproved in 1919.Last previous edition approved in 2008 as B32 08.DOI:10.1520/B0032-08R14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandar
14、ds volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Global Engineering Documents,15 Inverness Way,EastEnglewood,CO 80112-5704,http:/.5Available from Standardization D
15、ocuments Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/www.dodssp.daps.mil.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2.1lot,nThe term“lot”as used in this specification isdefined as follows:3.2.1.
16、1 DiscussionFor solid solder metal,a lot consists ofall solder of the same type designation,produced from thesame batch of raw materials under essentially the sameconditions,and offered for inspection at one time.3.2.1.2 DiscussionFor fluxcore solder,a lot consists ofall solder of the same core mixture,produced from the samebatch of raw materials under essentially the same conditionsand offered for inspection at one time.3.2.2 lot number,nThe term“lot number”as used in thisspecification refers t
