1、Designation:B74914Standard Specification forLead and Lead Alloy Strip,Sheet,and Plate Products1This standard is issued under the fixed designation B749;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numbe
2、r 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 lead sheet,strip,and plate ofvarious alloys intended for use in chemical plants,soundattenuation,roofing,vibration dam
3、pening,flashing andweather stripping,waterproofing,and radiation shielding.1.2 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.1.3 This st
4、andard 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 identified in the appropriateMaterial Safety Data Sheet(MSDS)for this product/materialas provided by the
5、 manufacturer,to establish appropriatesafety and health practices,and determine the applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2B29 Specification for Refined LeadE8 Test Methods for Tension Testing of Metallic MaterialsE10 Test Method for Brinell Har
6、dness of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE37 Test Methods for Chemical Analysis of Pig LeadE87 Methods for ChemicalAnalysis of Lead,Tin,Antimonyand Their A
7、lloys(Photometric Method)(Withdrawn1983)3E112 Test Methods for Determining Average Grain Size3.Terminology3.1 Definitions:3.1.1 lot,nshall consist of all the lead sheet,strip,or plateof the same alloy produced by one manufacturer and offeredfor delivery at one time for sampling and inspection from o
8、nemanufacturing or smelting heat.3.1.2 plate,nany product over 0.187 in.(4.75 mm)inthickness and over 10 in.(254 mm)in width.3.1.3 sheet,nproducts 0.187 in.(4.75 mm)and under inthickness and 24 in.(610 mm)or more in width.3.1.4 strip,nany product 0.187 in.(4.75 mm)and under inthickness and less than
9、 24 in.(610 mm)in width.4.Ordering Information4.1 Orders for material to this specification shall include thefollowing information:4.1.1 Alloy(chemical composition)with variations speci-fied.4.1.2 Type(strip,sheet,or plate).4.1.3 Condition including mechanical properties where ap-plicable.4.1.4 Dime
10、nsions.4.1.5 Number of Pieces.4.1.6 CertificationState if certification is required.4.1.7 SamplingType of sampling required and whethersamples product(check)analysis shall be furnished.4.1.8 Inspection RequirementsIf purchaser wishes to wit-ness tests or inspection of material at the place of manufa
11、cture,the purchase order must so state indicating which tests orinspections are to be witnessed.4.1.9 Optional Requirements:4.1.9.1 Strip and SheetWhether to be furnished in coils orin cut straight lengths.4.1.9.2 Sheet and PlateWhether to be furnished in spe-cially flattened condition.4.1.9.3 Wroug
12、ht ProductsMinimum reduction required.5.Materials and Manufacture5.1 The lead sheet,strip,or plate shall be manufactured byrolling or extruding the product from a lead work piece ofchemical composition specified in Table 1 or other specifiedcomposition.The work piece may be prepared by conventional1
13、This 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 edition approved,Oct.1,2014.Published December 2014.Originallyapproved in 1985.Last previous
14、edition approved in 2009 as B749 03(2009).DOI:10.1520/B0749-14.2For 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.3Th
15、e last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 casting into a mold or by continuous casting.Lead sheet orstrip may also be produced by direct continuous cas
16、ting to thedesired thickness.6.Chemical Composition6.1 Lead sheet,strip,and plate shall conform to the chemi-cal composition limits specified in the purchase order.Theappropriate ASTM or UNS alloy may be designated whereapplicable.Table 1 lists the chemical requirements of severalgrades of lead for information purposes.NOTE1Soft lead sheet,strip,and plate is generally produced fromSpecification B29 grade copper-bearing lead.6.2 If a product(check)analysis is performed by thepurchaser,the materia