1、DEUTSCHE NORM February 200417561Document comprises 3 pages. 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).Ferromol
2、ybdenumTechnical delivery conditionsTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.ICS 77.100Ferromolybdn Technische LieferbedingungenIn keeping with current practice in standards published by the International Organizat
3、ion for Standardization(ISO), a comma has been used throughout as the decimal marker.ForewordThis standard has been prepared by the Normenausschuss Nichteisenmetalle (Nonferrous Metals StandardsCommittee), Technical Committee Ferrolegierungen.AmendmentsThis standard differs from DIN 17561, December
4、1965 edition, and DIN 17599, June 1985 edition, in that ithas been completely revised.Previous editionsDIN 17561: 1965-12; DIN 17599: 1985-06.1 ScopeThis standard specifies requirements for ferromolybdenum as used for steelmaking and foundry purposes,and for welding electrodes.2 Normative referenceT
5、his standard incorporates, by dated or undated reference, provisions from other publications. 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 publ
6、ications apply tothis standard only when incorporated in it by amendment or revision. For undated references, the latestedition of the publication referred to applies.ISO 31-0 : 1992 Quantities and units Part 0: General principlesThis standard supersedesDIN 17561, December 1965edition, and, together
7、 withDIN 17560-1 and DIN 17562to DIN 17566, February 2004editions, supersedesDIN 17599, June 1985 edition.English price group 5www.din.dewww.beuth.de09.04 9572325Page 2DIN 17561 : 2004-023 Designation3.1 Standard designationThe designation of ferromolybdenum shall include either the name (symbol) or
8、 the material number.EXAMPLE:Designation of ferromolybdenum of grade FeMo70S0,15 (material number: 0.4270):Ferromolybdenum DIN 17561 FeMo70S0,15orFerromolybdenum DIN 17561 0.42703.2 Designation for order purposesEXAMPLE:Designation when ordering 5000 kg of ferromolybdenum as specified in this standa
9、rd, of grade FeMo70S0,15(material number: 0.4270), particle size range (KG) 3 mm to 100 mm:5000 kg ferromolybdenum DIN 17560 FeMo70S0,15 KG 3-100or5000 kg ferromolybdenum DIN 17560 0.4270 KG 3-1004 Requirements4.1 CompositionThe composition of ferromolybdenum shall be as specified in table 1.Table 1
10、 Composition of ferromolybdenumMaterial Composition, as percentages by massname number Mo1)C Cu P S SiFeMo60S0,10 0.4261Min. 58 Max. 65 0,5 1,0 0,10 0,10 2,0FeMo60S0,15 0.4262Min. 58 Max. 65 0,5 1,0 0,10 0,15 2,0FeMo70S0,10 0.4269Min. 65 Max. 75 0,10 0,50 0,10 0,10 1,5FeMo70S0,15 0.4270Min. 65 Max.
11、 75 0,10 0,50 0,10 0,15 1,51) The molybdenum content shall not vary by more than 2% within a consignment.4.2 Particle sizeThe particle size range is to be specified when ordering. Table 2 gives guideline values, with any other rangesbeing subject to agreement.Page 3DIN 17561 : 2004-02Table 2: Partic
12、le sizesParticle size range, Permissible undersize, as ain mm percentage of quantity suppliedPermissible oversize10 % (m/m) of quantity supplied.From 3 to 100 5Where the material is supplied in lumps,the maximum particle size along two orthree dimensions of a lump shall notLess than 3 exceed 1,15 ti
13、mes the upper value of therange.4.3 Form suppliedThe material shall be free from harmful matter and shall not emit any ionizing radiation (such radiation beingunderstood to be radiation higher than the background radiation at the time of receipt by the customer).5 AnalysisThe method of analysis shal
14、l be at the manufacturers discretion, a state-of-the-art procedure being used incases of dispute.When rounding results, the specifications of clause 6 are to be observed.6 Rounding of resultsResults as calculated or observed are to be rounded following the rules set out in Annex B of ISO 31-0. The v
15、alueis to be rounded in one step to the same number of places as are specified in this standard.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.7 Marking, labelling and packagingUnless otherwise requested or agreed upon, marking, labelling and packaging shall be at the suppliers discre-tion.
