1、Designation: B749 14Standard 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.
2、 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 lead sheet, strip, and plate ofvarious alloys intended for use in chemical plants, soundattenuation, roofi
3、ng, vibration dampening, 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
4、 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 identified in the appropriateMaterial Safety Data Sheet (MSDS) for this product/
5、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:2B29 Specification for Refined LeadE8 Test Methods for Tension Testing of Metallic MaterialsE1
6、0 Test Method for Brinell Hardness 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
7、 Lead, Tin,Antimonyand Their Alloys (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 tim
8、e for sampling and inspection from onemanufacturing 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
9、in. (4.75 mm) and under inthickness and less than 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 inc
10、luding mechanical properties where ap-plicable.4.1.4 Dimensions.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-
11、ness tests or inspection of material at the place of manufacture,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 b
12、e furnished in spe-cially flattened condition.4.1.9.3 Wrought 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 specif
13、iedcomposition. The work piece may be prepared by conventional1This 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, 2
14、014. Published December 2014. Originallyapproved in 1985. Last previous 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 i
15、nformation, refer to the standards Document Summary page onthe ASTM website.3The 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 States1casting into a mold or by
16、continuous casting. Lead sheet orstrip may also be produced by direct continuous casting 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 designat
17、ed whereapplicable. Table 1 lists the chemical requirements of severalgrades of lead for information purposes.NOTE 1Soft 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 material sha
18、ll conform to the product analysisvariation in chemical composition specified in the purchaseagreement or in the applicable alloy specification.7. Mechanical Properties7.1 The material shall conform to the mechanical propertiesspecified in the purchase order by way of testing (see Section12).8. Dime
19、nsions, Mass, and Permissible Variations8.1 Thickness:8.1.1 Sheet and StripFor sheet and strip up to 0.100 in.(2.54 mm), the variation in thickness shall not be more than+0.008 in. (0.200 mm) or 0.006 in. (0.130 mm) or anycombination but not less than a range of 0.014 in. (0.330 mm)from the ordered
20、thickness. For sheet and strip ordered inthickness over 0.100 in., the maximum variation shall not bemore than 65 % of the thickness specified as shown in Table2.8.1.2 PlateThe plate shall not vary more than 65 % of thespecified thickness as shown in Table 2.8.1.3 Alternative ThicknessWhen specified
21、, lead plate, aswell as strip sheet over 0.100 in. (2.54 mm) shall not vary inthickness by more than +0.031 in. (0.79 mm) and 0 in. (0mm).8.1.4 Where specified and agreed to between manufacturerand purchaser, thickness variation looser or tighter than listedabove may be applied.8.2 Width and Length:
22、8.2.1 RollsLead sheet or strip in rolls shall not vary fromthe ordered width by more than +0.250 in. (6.35 mm) or0.250 in. (6.35 mm) and for length of 25 ft (8 m) or less shallbe within 0.2 % of the ordered length. For length greater than25 ft (8 m), the length tolerance shall be negotiated between
23、theproducer and the buyer.8.2.2 Cut PiecesLead sheet, strip, or plate in flat cutpieces shall not vary from the ordered length or width by morethan 60.125 in. (3.18 mm).8.2.3 Slit StripSlit strip in coils shall not vary from theordered width by more than 0.062 in. (1.59 mm).8.3 Straightness:8.3.1 Th
24、e edgewise curvature (depth of curvature) of flatstrip, sheet, or plate shall not exceed 0.05 in. multiplied by thelength in feet of the piece (0.04 mm multiplied by the length incentimeters).8.3.2 Straightness of coiled strip material is subject toagreement between manufacturer and purchaser.8.4 Sq
25、uarenessFor products of all thickness, the anglebetween adjacent sides shall be 90 6 15 (116 in. in 24 in.),(1.59 mm in 610 mm). Alternatively, for cut length 10 ft (3 m)and less, the length of the diagonals from end to end shall bewithin 0.25 in. (6.2 mm) of each other.TABLE 1 Chemical Requirements
26、A,BComposition (Weight Percent)GradeLow BismuthLow SilverPure Lead,maxCRefined PureLead, maxDPure Lead,maxChemical-Copper LeadESb 0.0005 0.0005 0.001 0.001 maxAs 0.0005 0.0005 0.001 0.001 maxSn 0.0005 0.0005 0.001 0.001 maxSb As and Sn . . . . . . 0.002 0.002 maxCu 0.0010 0.0010 0.0015 0.0400.080Ag
27、0.0010 0.0075 0.010 0.020 maxBi 0.0015 0.025 0.05 0.025 maxZn 0.0005 0.001 0.001 0.001 maxTe 0.0001 0.0001 . . . . . .Ni 0.0002 0.0002 0.0005 0.002 maxFe . 0.001 0.001 0.002 maxSe . 0.0005 .001 .001 maxS . 0.001 .002 .001 maxAl . 0.0005 .0005 .0005 maxCd . 0.0005 .0005 .0003 maxLead (min) bydifferen
28、ce99.99 99.97 99.94 99.90UNS Number L50006 L50021 L50049 L51121AThe following applies to all specified limits in Table 1: For the purpose ofdetermining conformance with this specification, an observed value obtained fromthe analysis shall be rounded off “to the nearest unit” in the last right hand p
29、laceof figures used in expressing the limiting value, in accordance with the roundingmethod of Practice E29.BBy agreement between the purchaser and the supplier, analyses may berequired and limits established for elements or compounds not specified in Table1.CThis grade is intended for chemical appl
30、ications where low silver and lowbismuth contents are required.DThis grade is intended for lead acid battery applications.EThis grade is intended for applications requiring corrosion protection andformability.TABLE 2 Permissible Thickness VariationNOTE 1For ordering information, lead 1 in. thick wei
31、ghs approxi-mately 60 lb/ft2.SpecifiedThickness, in.MaximumUnder, in.MaximumOver, in.MaximumOver Alternate,in. (see 8.1.3)0.0150.100 0.005 0.0050.1010.130 0.006 0.006 0.0310.1310.150 0.007 0.007 0.0310.1510.170 0.008 0.008 0.0310.1710.190 0.009 0.009 0.0310.1910.210 0.010 0.010 0.0310.2110.230 0.011
32、 0.011 0.0310.2310.250 0.012 0.012 0.0310.2510.270 0.013 0.013 0.0310.2710.290 0.014 0.014 0.0310.2910.310 0.015 0.015 0.0310.3110.400 0.016 0.020 0.0310.4010.500 0.016 0.025 0.0310.5010.600 0.016 0.030 0.0310.6010.630 0.016 0.031 0.031Above0.630 0.016 0.031 0.031B749 1428.5 FlatnessFlatness of the
33、product sheet when specifiedshall be as agreed upon between manufacturer and purchaser.8.6 Any special tolerance other than those specified in theabove sections shall be agreed upon between manufacturer andpurchaser.9. Workmanship, Finish, and Appearance9.1 The lead products shall be uniform in qual
34、ity andhardness, smooth, commercially straight and flat, and free ofinjurious imperfections such as pits, dents, scratches,laminations, grit, foreign matter, porosity, or waves that mayaffect the serviceability of material.10. Sampling10.1 A lot shall not exceed 10 000 lb (4540 kg). A lot foralloys
35、requiring mechanical testing shall be further limited tothe sheet having the same total material reduction and heattreatment (as required) cycles from the same manufacturing orsmelting heat.10.1.1 IdentificationAll material shall be identified by lotnumber. Where material cannot be identified by hea
36、t, a lot shallconsist of not more than 1000 lb (454 kg) in the same thicknessand condition, except for plates weighing over 1000 lb, inwhich case the one piece shall constitute the lot.10.2 Test Material Selection:10.2.1 Chemical AnalysisRepresentative samples shall betaken either during pouring the
37、 casting prior to working orduring subsequent processing, such as rolling or cutting.10.2.1.1 Where required, a product (check) sample shall betaken and supplied to the purchaser. The analysis of the productsample is the responsibility of the purchaser.10.2.2 Mechanical PropertiesSamples of the mate
38、rial toprovide test specimens for mechanical properties, hardness,and grain size shall be taken from such locations in a lot as tobe representative of that lot.10.3 Number of Tests:10.3.1 Chemical AnalysisOne test per lot.10.3.2 HardnessOne test per lot.10.3.3 Grain SizeOne test per lot.11. Specimen
39、 Preparation11.1 Tension test specimens, if required, shall be taken inthe direction of rolling from the material in the final conditionof rolling and heat treatment or in the case of continuously castsheet in the casting direction and “as cast” state.11.1.1 Tension test specimens shall be any of th
40、e standard orsubsize specimens shown in Test Methods E8.11.2 Hardness test specimens if required shall be taken fromthe material in the final condition of rolling and heat treatment.Tests shall use Rockwell “R” scale or 10 mm ball and 100 kgload Brinell test.11.2.1 The minimum thickness of a sample
41、for hardnesstesting shall be 10 times the depth of the impression. Allhardness tests must be obtained within 24 h after the finalprocessing for use.12. Test Methods12.1 The following test methods for determining chemicalcomposition, mechanical properties, and other properties of thematerial shall be
42、 determined in cases of disagreement inaccordance with the following methods:12.1.1 Chemical AnalysisMethods E37 and E87.12.1.2 TensionTest Methods E8.12.1.3 Hardness:12.1.3.1 Rockwell “R” and Test Methods E18.12.1.3.2 Brinell and Test Method E10.12.1.4 Grain SizeMethods E112.13. Inspection13.1 Insp
43、ection of the material shall be made as agreed uponby manufacturer and purchaser as part of the purchase contract.14. Rejection and Rehearing14.1 Material not conforming to any part of this specifica-tion or to authorized modifications, will be subject to rejectionof the entire lot of material.14.2
44、Retests for mechanical properties shall be permitted ifperformed within one week of final processing for use.14.3 Independent TestsIn the event of a dispute arising asto the compliance of the lead alloy strip, sheet, or plate with therequirements set forth in this specification, the purchaser mayreq
45、uire the submission of product (check) samples to anindependent laboratory for testing. The costs of such testingshall be borne by the purchaser.15. Certification15.1 Upon request of the purchaser in a contract or order, amanufacturers certification that the material was manufacturedand tested in ac
46、cordance with this specification, together witha report of the actual test results from each lot, shall befurnished.16. Product Marking16.1 Each bundle or shipping container shall be markedwith the name of the alloy, the condition, this specificationnumber, the size, thickness, gross, net and tare w
47、eight, lotnumber, consignor and consignee address, contract or purchaseorder number, and any other such information as may bedefined in the contract or order.16.2 Lead plate over12 in. thick, when required in thecontract or purchase order, shall be marked along one edgewith the alloy designation, ma
48、nufacturers brand name, heat orlot number, and customers number. The markings shall bemade with nonsoluble ink or point and shall be repeated atintervals of not greater than 3 ft along the edge of the plate.17. Packaging and Package Marking17.1 The purchaser must state in the order or contract anysp
49、ecial packaging, crating, or transportation required.18. Keywords18.1 lead plate; lead sheet; lead strip; wrought leadB749 143ASTM International takes no position respecting the validity of any patent rights asserted in connection 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 responsible t
