1、 No part of this translation may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).English price group 7www.din.dewww.beuth.de09.04 9575100Document co
2、mprises 5 pages.ICS 77.120.60Bleilegierungen fr allgemeine VerwendungIn keeping with current practice in standards published by the International Organization for Standardization(ISO), a comma has been used throughout as the decimal marker.DEUTSCHE NORM February 200417640-1General purpose lead alloy
3、sTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.Supersedes DIN 1741,May 1974 edition,and DIN 17640-1,January 1986 edition.ForewordThis standard has been prepared by the Normenausschuss Nichteisenmetalle (Nonferrous Metal
4、s StandardsCommittee), Technical Committee Blei.AmendmentsThis standard differs from the January 1986 edition and DIN 1741, May 1974 edition, in that it has beencompletely revised.Previous editionsDIN 1728: 1944xxx-05; DIN 1741: 1974-05; DIN 17641: 1962-10; DIN 17640-1: 1986-01.1 ScopeThis standard
5、specifies requirements for general purpose lead alloys as used in the manufacture of castingsand other semi-finished products.Translators note. This standard is based on DIN EN 12659.2 Normative referencesThis standard incorporates, by dated or undated reference, provisions from other publications.
6、Thesenormative references are cited at the appropriate places in the text and the titles of the publications are listedbelow. For dated references, subsequent amendments to or revisions of any of these publications apply tothis standard only when incorporated in it by amendment or revision. For unda
7、ted references, the latestedition of the publication referred to applies.DIN EN 10204 Inspection documents for metallic products (includes Amendment A1 : 1995)DIN EN 12402 Lead and lead alloys Methods of sampling for analysisDIN EN 12659 Lead and lead alloys LeadENV 12908 Lead and lead alloys Analys
8、is by optical emission spectrometry (OES) with sparkexcitationENV 13800 Lead and lead alloys Analysis by flame atomic absorption spectrometry (FAAS) orinductively coupled plasma optical emission spectroscopy (ICP-OES), without sepa-ration of lead matrixENV 14138 Analysis by flame atomic absorption s
9、pectrometry (FAAS) or inductively coupledplasma optical emission spectroscopy (ICP-OES), after separation of lead matrix byco-precipitationISO 31-0 : 1992 Quantities and units Part 0: General principlesISO 752 : 2004 Zinc ingotsISO 11014-1 : 1994 Safety data sheet for chemical products Part 1: Conte
10、nt and order of sectionsPage 2DIN 17640-1 : 2004-023 Concepts1)3.1 Cast (for non-continuous casting)Product of one furnace or crucible melt.3.2 IngotCast product intended for remelting.3.3 JumboLarge ingot normally having a mass much higher than 50 kg.3.4 BundleCollection of ingots taken from a sing
11、le cast and secured for the purposes of handling, shipment and storage.4 Designation4.1 MaterialLead alloys shall be designated either by their name (grade) or their material number (see tables 1 and 2).4.2 ProductsThe standard product designation shall comprise:a) designation of product type (ingot
12、 or jumbo);b) number of this standard (DIN 17640-1);c) name of grade or material number.EXAMPLE:Designation of a lead alloy ingot of grade GB-PbSb4 (material number: 2.3207):Lead ingot DIN 17640-1 GB-PbSb4orLead ingot DIN 17640-1 2.32075 Designation for order purposesIn order to facilitate ordering
13、procedures, the purchaser is to specify the following:a) the total mass required;b) the product designation (cf. subclause 4.2);c) nominal mass of a single product (kilograms for ingots and tonnes for jumbos and bundles).Where necessary, the purchaser is also to state any of the following:d) any add
14、itional marking (cf. subclause 8.1 or 8.2);e) any inspection document (cf. subclause 9.1);f) any declaration of conformity (cf. subclause 9.2);g) any special packaging required;h) any further requirements to be met.EXAMPLE:Designation when ordering 100 t of lead ingots as specified in this standard,
15、 of grade GB-PbSb4, each ingotof nominal mass 50 kg, each bundle of nominal mass 1 t, with declaration of conformity:100 t lead ingots DIN 17640-1 GB-PbSb4 (ingot mass: 50 kg, bundle mass: 1 t),with declaration of conformity6 Requirements6.1 CompositionThe composition of lead alloys shall be as spec
16、ified in tables 1 and 2.1) Definitions taken from ISO 752 : 2004.Page3DIN 17640-1:2004-02Table 1: Composition of lead (for semi-finished products)MaterialComposition, as percentages by massNotesAlloying elements Permitted admixtures onname number Cu Sb Pb Ag As Bi Cd Cu Ni Sb Sn Zn TotalapplicationP
17、b99,985Cu 2.3021Min. 0,04 0,0150Max. 0,05 0,002 5 0,000 5 0,015 0 0,000 2 0,000 5 0,000 5 0,000 5 0,000 2Pb99,94Cu 2.3035Min. 0,03 Max. 0,05 0,005 5 0,100 5 0,005 0,005 5 0,001 5PbSb0,5 2.3136Min. 0,3 0,1500Max. 0,7 0,008 5 0,011) 5 0,05 05 0,005 0,005 5 0,001 51) The hardness of PbSb alloys can be
18、increased by the addition of arsenic, an addition of 0,04% to 0,06% being recommended.Corrosion-resistant,for use in processengineeringGeneral purposeCable sheaths,shots for airgunsRemainderPage4DIN 17640-1:2004-02MaterialComposition, as percentages by massAlloying elements Permitted admixturesAppro
19、x.BrinellSb Sn Pb Ag As Bi Cd Cu Totaldensity,hard-innessname number kg/dm3GB-PbSb2 2.3219Min. 1 ,8 7Counterweights and balancingMax. 12,2 0,008 0,051) 0,051 0,001 0,00511,3weightsfor liftsGB-PbSn2 2.3220Min. 1,8 4Good casting characteristics; suitableMax. 2,2 0,008 0,051) 0,015 0,001 0,005for purpo
20、se-made castingsGB-PbSb4 2.3207Min. 13,0 11,0 10Max. 15,0 0,008 0,051) 0,051 0,001 0,005GB-PbSb8 2.3208Min. 17,0 10,7 12Max. 19,0 0,008 0,051) 0,051 0,001 0,005GB-PbSb10 2.3221Min. 19,0 10,6 14 Lead-acid batteriesMax. 11,0 0,008 0,051) 0,051 0,001 0,005GB-PbSb12 2.3212Min. 11,0 10,5 15 Base alloy fo
21、r other alloysMax. 13,0 0,008 0,051) 0,051 0,001 0,050GB-PbSb10Sn5 2.3352Min. 8,0 4,0 9,818Max. 11,0 6,0 0,008 0,051) 0,051 0,001 0,050GB-PbSb15Sn5 2.3353Min. 14,5 4,5 10,4Max. 15,5 5,5 0,008 0,051) 0,051 0,001 0,0501) The hardness of PbSb alloys can be increased by the addition of arsenic, an addit
22、ion of 0,08% to 0,15% being recommended.Table 2: Composition of lead (for castings)Balancing weights for road vehicles.Note that alloy is not easy to weldand to cast in certain casesCastings for radiation protectionpurposes; chemical industry;lead-acid batteriesSmall castings made to close toler-anc
23、es for pendulums and balancingweights, instruments, counters; finemechanics and electronics industriesNotes on applicationRemainder0,1; not more than 0,03 eachPage 5DIN 17640-1 : 2004-026.2 Form suppliedUnless otherwise agreed upon, the size of ingots or jumbos shall be at the suppliers discretion.6
24、.3 Surface conditionThe surface condition of ingots or jumbos shall be such that their composition is not affected and they can beused as intended.7 Sampling and analysis7.1 SamplingSampling shall be in accordance with DIN EN 12402.7.2 AnalysisThe method of analysis shall be at the suppliers discret
25、ion if it is his responsibility to check a cast for compli-ance with the requirements.NOTE 1: If the analysis is made by optical emission spectrometry, then the method described in ENV 12908should be used. In cases of dispute, the methods described in ENV 13800 or ENV 14138 are to be used.NOTE 2: Th
26、e nature of specimens only permits chemical methods of analysis to be applied.7.3 Rounding of resultsResults as calculated or observed are to be rounded following the rules set out in Annex B of ISO 31-0. The valueis to be rounded in one step to the same number of places as are specified in this sta
27、ndard.The results shall be rounded as follows:a) if the figure following the last significant place is less than five, then the latter shall remain unchanged;b) if the figure following the last significant place is five or higher, the latter shall be increased by one.8 MarkingIngots shall be clearly
28、 and durably marked al least with the following:a) name or mark of manufacturer (mostly a stamp);b) number of cast.Subject to agreement, the following shall be marked:c) material designation or number;d) any additional details required (e.g. name of purchaser, colour code).Any labelling of products
29、shall be subject to agreement.9 Inspection document and declaration of conformity9.1 Inspection documentUpon request of the purchaser, the supplier shall submit an inspection document with his consignment.9.2 Declaration of conformityUpon request of the purchaser, the supplier shall submit a declara
30、tion of conformity in which compliance of theconsignment with the requirements is confirmed. This declaration is to include:1) the name and address of supplier;2) the date of issue;3) the name and address of purchaser;4) the order no. of purchaser;5) the description of products and quantity supplied
31、;6) a reference to this standard and type of alloy supplied;7) the following statement:The products as described above have been manufactured in compliance with the purchasers specifi-cations and conform to the requirements specified therein.(Signature of suppliers representative)10 Safety data sheetA data sheet in accordance with ISO 11014-1 issued by the supplier and dealing with the risk involved inhandling and using lead casting alloys shall accompany the first consignment.
