1、DEUTSCHE NORM February 200417567Document 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).Ferrobor
2、onTechnical delivery conditionsTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.ICS 77.100Ferrobor Technische LieferbedingungenIn keeping with current practice in standards published by the International Organization for S
3、tandardization(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 the January 1970 edition in t
4、hat it has been completely revised.Previous editionDIN 17567: 1970-01.1 ScopeThis standard specifies requirements for ferroboron as used for steelmaking.2 Normative referenceThis standard incorporates, by dated or undated reference, provisions from other publications. Thesenormative references are c
5、ited 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 undated references, the latestediti
6、on of the publication referred to applies.ISO 31-0 : 1992 Quantities and units Part 0: General principlesSupersedes January 1970edition.English price group 6www.din.dewww.beuth.de09.04 9572334Page 2DIN 17567 : 2004-023 Designation3.1 Standard designationThe designation of ferroboron shall include ei
7、ther the name (symbol) or the material number.EXAMPLE:Designation of ferroboron of grade FeB16 (material number: 0.4816):Ferroboron DIN 17567 FeB16orFerroboron DIN 17567 0.48163.2 Designation for order purposesEXAMPLE:Designation when ordering 5 000 kg of ferroboron as specified in this standard, of
8、 grade FeB16 (materialnumber: 0.4816), particle size range (KG) 3 mm to 100 mm:5000 kg ferroboron DIN 17567 FeB16 KG 3-100or5000 kg ferroboron DIN 17567 0.4816 KG 3-1004 Requirements4.1 CompositionThe composition of ferroboron shall be as specified in table 1.Table 1: Composition of ferroboronPartic
9、le size range,in mmPermissible undersize, as a per-centage of quantity suppliedPermissible oversizeFrom 3 to 100 10Less than 3 5 % (m/m) of quantity supplied.Where the material is supplied inlumps, the maximum particle sizealong two or three dimensions of alump shall not exceed 1,15 times theupper v
10、alue of the range.Material Composition, as percentages by massname number B.1)Al CCoMnP S SiMin. 10 FeB12C 0.4812Max. 14 0,50 2,00 0,005 0,50 0,005 0,100 4,0Min. 15 FeB16 0.4816Max. 18 4,00 0,10 0,005 0,50 0,005 0,001 1,0Min. 14 FeB17C 0.4817Max. 19 0,50 2,00 0,005 0,50 0,005 0,100 4,0Min. 18 FeB18
11、0.4818Max. 20 2,00 0,10 0,005 0,50 0,005 0,001 2,01) The boron 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.Table 2: Particle siz
12、esPage 3DIN 17567 : 2004-024.3 Form suppliedThe surface of the material should be free from foreign matter, such as sand, slag, etc. The material shall befree from harmful matter and shall not emit any ionizing radiation (such radiation being understood to beradiation higher than the background radi
13、ation at the time of receipt by the customer).5 AnalysisThe method 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 o
14、bserved 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 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.
