1、DEUTSCHE NORM February 200417560-1Document 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).Silico
2、n and ferrosiliconPart 1: Technical delivery conditions for ferrosiliconTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.ICS 77.100Ferrosilicium und Silicium Teil 1: Technische Lieferbedingungenfr FerrosiliciumIn keeping w
3、ith current practice in standards published by the International Organization 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
4、Ferrolegierungen.AmendmentsThis standard differs from DIN 17560, December 1965 edition, and DIN 17599, June 1985 edition, in that ithas been completely revised.Previous editionsDIN 17560: 1965-12; DIN 17599: 1985-06.1 ScopeThis standard specifies requirements for ferrosilicon as used for steelmaking
5、 and foundry purposes.2 Normative referenceThis 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 ame
6、ndments to or revisions of any of these publications 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, together wi
7、thDIN 17560-2, February 2004edition, supersedesDIN 17560, December 1965edition, and, together withDIN 17561 to DIN 17566,February 2004 editions,supersedes DIN 17599, June1985 edition.English price group 5www.din.dewww.beuth.de09.04 9572323Page 2DIN 17560-1 : 2004-023 Designation3.1 Standard designat
8、ionThe designation of ferrosilicon shall include either the name (symbol) or the material number.EXAMPLE:Designation of ferrosilicon of grade FeSi90Al2,5 (material number: 0.3390):Ferrosilicon DIN 17560 FeSi90Al2,5orFerrosilicon DIN 17560 0.33903.2 Designation for order purposesEXAMPLE:Designation w
9、hen ordering 5 000 kg of ferrosilicon as specified in this standard, of grade FeSi90Al2,5(material number: 0.3390), particle size range (KG) 10 mm to 200 mm:5 000 kg ferrosilicon DIN 17560 FeSi90Al2,5 KG 10-200or5 000 kg ferrosilicon DIN 17560 0.3390 KG 10-2004 Requirements4.1 CompositionThe composi
10、tion of ferrosilicon shall be as specified in table 1.Table 1: Composition of ferrosiliconMaterial Composition, as percentages by massname number Si1)Al CCaN P S TiFeSi75Al1 0.3373Min. 74,0 Max. 77,0 1,0 (0,1) 0,20 0,025 0,05 0,04 0,10FeSi75Al1,5 0.3374Min. 74,0 1,0 Max. 77,0 1,5 (0,1) 0,20 0,025 0,
11、05 0,04 0,10FeSi75Al2 0.3378Min. 74,0 1,5 Max. 77,0 2,0 (0,2) 0,20 0,025 0,05 0,04 0,30FeSi90Al2,5 0.3390Min. 87,0 1,0 Max. 95,0 2,5 (0,1) 0,04 0,04 FeSi90Al1 0.3391Min. 87,0 Max. 95,0 1,0 (0,1) 0,04 0,04 ( ) Bracketed values are for guidance only.1) The silicon content shall not vary by more than 2
12、 % 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 17560-1 : 2004-02Table 2: Particle sizes4.3 Form suppliedFerrosilicon may be supplied in lumps up to 300 mm lon
13、g and up to 25 kg in mass (commercially referred to asKG 0-300), or crushed and or screened, in which case the particle size is subject to agreement.The surface of the material should be free from foreign matter, such as sand, slag, etc. The proportion ofmacroscopic non-metallic inclusions or adheri
14、ng particles shall not exceed 0,5 % (m/m) for particle sizes above5 mm.The 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 m
15、ethod of analysis shall 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 Anne
16、x B of ISO 31-0. The valueis 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
17、 last significant place is five or higher, the latter shall be increased by one.7 Marking, labelling, packaging, transport and storageUnless otherwise requested or agreed upon, marking, labelling and packaging shall be at the suppliers discre-tion.Where the silicon content of ferrosilicon exceeds 30
18、 % (m/m), the material, with or without packaging, shall betransported and stored so as to be protected against moisture, in accordance with relevant regulations.Permissible undersize, as aParticle size range, percentage of quantity suppliedPermissible oversizein mm Total Fines (lessthan 3 mm)Above
19、10 up to 200 15 410 % (m/m) of quantity sup-plied.From 3 to 25 10Where the material is suppliedin lumps, the maximum particleFrom 3 to 10 10size along two or three dimen-sions of a lump shall not exceedLess than 3 1,15 times the upper value ofthe range.plied.Where the material is supplied inlumps, the maximum particlesize along two or three dimen-1,15 times the upper value of therange.
