1、Designation: B 749 03 (Reapproved 2009)Standard Specification forLead and Lead Alloy Strip, Sheet, and Plate Products1This standard is issued under the fixed designation B 749; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the ye
2、ar 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.1. Scope1.1 This specification covers lead sheet, strip, and plate ofvarious alloys intended for use in chemical plants, sou
3、ndattenuation, roofing, 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 onlyan
4、d 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 identified in the appropriateMaterial Safety Data Sheet (MSD
5、S) 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:2B29 Specification for Refined LeadE8 Test Methods for Tension Testing of
6、Metallic MaterialsE10 Test Method for Brinell Hardness of Metallic Materi-alsE18 Test Methods for Rockwell Hardness of MetallicMaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE37 Test Methods for Chemical Analysis of Pig LeadE87 Methods for
7、Chemical Analysis of Lead, Tin, Anti-mony, and Their Alloys (Photometric Methods)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 a
8、t one time 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 produ
9、ct 0.187 in. (4.75 mm) and underin thickness 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 Cond
10、ition including 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 wishe
11、s to wit-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 PlateWhe
12、ther to be 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 oth
13、er specifiedcomposition. 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,
14、Oct. 1, 2009. Published October 2009. Originallyapproved in 1985. Last previous edition approved in 2003 as B 749 - 03.2For 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
15、to the standards Document Summary page onthe ASTM website.3Withdrawn.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.casting into a mold or by continuous casting. Lead sheet orstrip may also be produced by direct continuous casting t
16、o 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 i
17、nformation purposes.NOTE 1Soft lead sheet, strip, and plate is generally produced fromSpecification B29grade copper-bearing lead.6.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the product analysisvariation in chemical composition specified in the purcha
18、seagreement 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. Dimensions, Mass, and Permissible Variations8.1 Thickness:8.1.1 Sheet and StripFor sheet and st
19、rip 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 thickness. For sheet and strip ordered inthickness over 0.100 in., the maximum variation sh
20、all not bemore than 65 % of the thickness specified as shown in Table2.8.1.2 PlateThe plate shall not vary more than 65%ofthe specified thickness as shown in Table 2.8.1.3 Alternative ThicknessWhen specified, lead plate, aswell as strip sheet over 0.100 in. (2.54 mm) shall not vary inthickness by mo
21、re 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:8.2.1 Rollslead sheet or strip in rolls shall not vary fromthe ordered width by more than +0.
22、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 theproducer and the buyer.8.2.2 Cut PiecesLead sheet, strip, or plate in flat cutpieces shall
23、 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 The edgewise curvature (depth of curvature) of flatstrip, sheet, or plate shall not exceed 0.05
24、 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 SquarenessFor products of all thickness, the anglebetween adjacent sides shall be 90 6 15 (116
25、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.8.5 FlatnessFlatness of the product sheet when specifiedshall be as agreed upon between manufacturer and purchaser.TABLE 1
26、 Chemical RequirementsA,BComposition (Weight Percent)GradeLow BismuthLow SilverPure Lead,maxCRefined PureLead, maxDPure Lead,maxChemical-CopperLeadESb 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
27、 0.0015 0.0400.080Ag 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 0.0002 0.001 0.001 0.002 maxLead (min) bydifference99.995 99.97 99.94 99.90UNS Number L50006 L50021 L50049 L51121AThe followi
28、ng 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 placeof figures used in expressing the limiting value, in accordance with th
29、e 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 applications where low silver and lowbismuth contents are required.DThis grade
30、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 weighs approxi-mately 60 lb/ft2.SpecifiedThickness, in.MaximumUnder, in.Maximu
31、mOver, 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 0.011 0.0310.2310.250 0.012 0.012 0.0310.2510.270 0.013 0.013 0.0310.2710.
32、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 0.031B 749 03 (2009)28.6 Any special tolerance other than those specified in theabove sections shall be agreed upon
33、between manufacturer andpurchaser.9. Workmanship, Finish, and Appearance9.1 The lead products shall be uniform in quality andhardness, smooth, commercially straight and flat, and free ofinjurious imperfections such as pits, dents, scratches, lamina-tions, grit, foreign matter, porosity, or waves tha
34、t may affect theserviceability of material.10. Sampling10.1 A lot shall not exceed 10 000 lb (4540 kg). A lot foralloys requiring mechanical testing shall be further limited tothe sheet having the same total material reduction and heattreatment (as required) cycles from the same manufacturing orsmel
35、ting heat.10.1.1 IdentificationAll material shall be identified by lotnumber. Where material cannot be identified by heat, 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
36、 lot.10.2 Test Material Selection:10.2.1 Chemical AnalysisRepresentative samples shall betaken either during pouring the 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.
37、The analysis of the productsample is the responsibility of the purchaser.10.2.2 Mechanical PropertiesSamples of the material 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
38、: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 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
39、 of continuously castsheet in the casting direction and “as cast” state.11.1.1 Tension test specimens shall be any of the 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 treatmen
40、t.Tests shall use Rockwell “R” scale or 10 mm ball and 100 kgload Brinell test.11.2.1 The minimum thickness of a sample 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 followi
41、ng test methods for determining chemicalcomposition, mechanical properties, and other properties of thematerial shall be determined in cases of disagreement inaccordance with the following methods:12.1.1 Chemical AnalysisMethods E37and E87.12.1.2 TensionTest Methods E8.12.1.3 Hardness:12.1.3.1 Rockw
42、ell “R” and Test Methods E18.12.1.3.2 Brinell and Test Method E10.12.1.4 Grain SizeMethods E112.13. Inspection13.1 Inspection 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
43、 of this specifica-tion or to authorized modifications, will be subject to rejectionof the entire lot of material.14.2 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 complia
44、nce of the lead alloy strip, sheet, or plate with therequirements set forth in this specification, the purchaser mayrequire 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 o
45、f the purchaser in a contract or order, amanufacturers certification that the material was manufacturedand tested in accordance 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 b
46、e markedwith the name of the alloy, the condition, this specificationnumber, the size, thickness, gross, net and tare weight, 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
47、in. thick, when required in thecontract or purchase order, shall be marked along one edgewith the alloy designation, manufacturers 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 al
48、ong the edge of the plate.17. Packaging and Package Marking17.1 The purchaser must state in the order or contract anyspecial packaging, crating, or transportation required.18. Keywords18.1 lead plate; lead sheet; lead strip; wrought leadB 749 03 (2009)3ASTM International takes no position respecting
49、 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 technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or f
