CEN TR 10261-2013 Iron and steel - European standards for the determination of chemical composition《钢铁 化学成分测定的欧洲标准》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationIron and steel European standards for the determination of chemical compositionPD CEN/TR 10261:2013National forewordThis Published Document is the UK implementation of CEN/TR 102

2、61:2013.The UK participation in its preparation was entrusted to Technical CommitteeISE/102, Methods of Chemical Analysis for Iron and Steel.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary

3、 provisions of acontract. Users are responsible for its correct application. The British Standards Institution 2013Published by BSI Standards Limited 2013ISBN 978 0 580 77032 6ICS 77.040.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was pub

4、lished under the authority of theStandards Policy and Strategy Committee on 30 April 2013.Amendments issued since publicationAmd. No. Date Text affectedPUBLISHED DOCUMENTPD CEN/TR 10261:2013TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 10261 February 2013 ICS 77.040.30 Supersedes CEN

5、/TR 10261:2008English Version Iron and steel - European standards for the determination of chemical composition Aciers et fontes - Normes europennes pour la dtermination de la composition chimique Stahl und Eisen - Europische Normen fr die Bestimmung der chemischen Zusammensetzung This Technical Rep

6、ort was approved by CEN on 10 June 2012. It has been drawn up by the Technical Committee ECISS/TC 102. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Gree

7、ce, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG

8、Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 10261:2013: EPD CEN/TR 10261:2013CEN/TR 10261:2013 (E) 2 Contents Page Foreword . 3 1 Scope 4 2 Terms and definitions 4 3

9、 European Standards available for the determination of the chemical composition of steel and iron. 4 3.1 Mono-elemental methods 4 3.2 Multi-elemental methods 7 4 Range of application and principle of the methods 8 4.1 Mono-elemental methods 8 4.2 Multi-elemental methods 20 Annex A (informative) List

10、 of other European Standards and CEN Technical Reports applicable for the determination of the chemical composition of steels and irons 24 Annex B (informative) List of withdrawn Euronorms and of the corresponding replacement European standards . 25 Annex C (informative) Graphical representation of

11、the scope for methods available in this technical report 28 Annex D (informative) Trilingual key of the abbreviations used in the Figures given in Annex C 32 PD CEN/TR 10261:2013CEN/TR 10261:2013 (E) 3 Foreword This document (CEN/TR 10261:2013) has been prepared by Technical Committee ECISS/TC 102 “

12、Methods of chemical analysis for iron and steel”, the secretariat of which is held by SIS. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rig

13、hts. This document supersedes CEN/TR 10261:2008. In comparison with the previous edition of CEN/TR 10261:2008, the following significant technical changes were made: Title; Clause 2, Definitions added; In 3.1, for nitrogen, addition of EN ISO 15351:2010 and EN ISO 4945:2009; In 3.1, for silicon, add

14、ition of EN ISO 439:2010; In 3.1, for titanium, addition of EN 10211:1995; In 3.2, for Al, Cr, Co, Cu, Mn, Mo, Ni, P, Sn and V, addition of EN 10351:2011; In 3.2, for C and S, addition of EN ISO 15350:2010; In 4.1.9.1, Principle of the method - reworded for technical correction; 4.1.12.3, Summary of

15、 EN ISO 15351:2010, added; 4.1.12.4, Summary of EN ISO 4945:2009, added; 4.1.15.3, Summary of EN ISO 439:2010, added; 4.1.17.1, Summary of EN 10211:1995, added; 4.2.1.1, Summary of EN 10351:2011, added; 4.2.4.1, Summary of EN ISO 15350:2010, added; Annex A, updated; Annex C, the concentration ranges

16、 are represented in three different graphics: one for the referee methods, one for the routine methods and one for all the methods available. PD CEN/TR 10261:2013CEN/TR 10261:2013 (E) 4 1 Scope This Technical Report lists, under Clause 3, the European Standards, which are currently available for the

17、 determination of the chemical composition of steel and iron. In Clause 4, it provides details of the range of application and gives the principle of the method for each standard. Items which are under preparation as European Standards or as CEN Technical Reports by ECISS/TC 102 are available on the

18、 webpage of CEN, through the link http:/www.cen.eu/cen/Sectors/TechnicalCommitteesWorkshops/CENTechnicalCommittees/Pages/WP.aspx?param=733643 Chromium, Cr; Cobalt, Co; Copper, Cu; Manganese, Mn; Molybdenum, Mo; Nickel, Ni; Phosphorus, P; Tin, Sn and Vanadium, V EN 10351:2011, Chemical analysis of fe

19、rrous materials Inductively coupled plasma optical emission spectrometric analysis of unalloyed and low alloyed steels Determination of Mn, P, Cu, Ni, Cr, Mo, V, Co, Al (total) and Sn Routine method Aluminium, Al; Lead, Pb; Nickel, Ni; Silicon, Si and Zinc, Zn EN 10318:2005, Determination of thickne

20、ss and chemical composition of zinc- and aluminium-based metallic coatings Routine method Carbon, C; Chromium, Cr; Copper, Cu; Manganese, Mn; Nickel, Ni; Phosphorus, P; Silicon, Si and Sulphur, S CR 10320:2004, Optical emission analysis of low alloy steels (routine method) Method for determination o

21、f C, Si, S, P, Mn, Cr, Ni and Cu PD CEN/TR 10261:2013CEN/TR 10261:2013 (E) 8 Carbon, C and Sulphur, S EN ISO 15350:2010, Steel and iron Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method) (ISO 15350:2000) Chromium, Cr;

22、 Cobalt, Co; Copper, Cu; Manganese, Mn; Molybdenum, Mo; Nickel, Ni; Niobium, Nb; Phosphorus, P; Silicon, Si; Titanium, Ti and Vanadium, V EN 10315:2006, Routine method for analysis of high alloy steel by X-ray Fluorescence Spectrometry (XRF) by using a near by technique 4 Range of application and pr

23、inciple of the methods 4.1 Mono-elemental methods 4.1.1 Aluminium, Al 4.1.1.1 EN 29658:1991, Steel Determination of aluminium content Flame atomic absorption spectrometric method (ISO 9658:1990). Range of application: Determination of aluminium contents from 0,005 % to 0,20 % (m/m) in non-alloyed st

24、eel. Principle of the method: a) Dissolution of a test portion in dilute hydrochloric and nitric acids; b) Fusion of the acid-insoluble material with a mixture of orthoboric acid and potassium carbonate; c) Spraying of the solution into a dinitrogen monoxide-acetylene flame; d) Spectrometric measure

25、ment of the atomic absorption of the 309,3 nm spectral line emitted by an aluminium hollow cathode lamp. 4.1.2 Arsenic, As 4.1.2.1 EN 10212:1995, Chemical analysis of ferrous materials Determination of arsenic in steel and iron Spectrophotometric method. Range of application: Determination of arseni

26、c contents from 0,001 % to 0,08 % (m/m) in all types of steel and iron. Principle of the method: a) Dissolution of a test portion in a mixture of nitric and hydrochloric acids followed by evaporation to dryness and prolonged heating of the dried residue; b) Extraction of the residue with acid, reduc

27、tion of the arsenic (As V to As III) by addition of potassium iodine, ascorbic acid and tin (II) chloride. Conversion of the arsenic to arsenic hydride (arsine) with zinc; c) Absorption of the evolved arsine in a solution of silver diethyldithiocarbamate and l-ephedrin in trichloromethane; PD CEN/TR

28、 10261:2013CEN/TR 10261:2013 (E) 9 d) Spectrophotometric measurement of the reddish-violet coloured colloid at a wavelength between 500 nm and 520 nm. 4.1.3 Boron, B 4.1.3.1 EN 10200:2012, Chemical analysis of ferrous materials Determination of boron in steels Spectrophotometric method. Range of app

29、lication: Determination of boron content from 0,000 4 % to 0,012 0 % (m/m) in non-alloyed and alloyed steels. Principle of the method: a) Dissolution of a test portion with hydrochloric and nitric acids; b) Decomposition of boron compounds (nitrides etc.) with orthophosphoric and sulphuric acids at

30、290 C. Spectrophotometric measurement at a wavelength of 543 nm of the complex formed between boric acid and curcumin in buffered acetic medium. 4.1.3.2 EN ISO 13900:2002, Steel Determination of boron content Curcumin spectrophotometric method after distillation (ISO 13900:1997). Range of applicatio

31、n: Determination of boron content from 0,000 05 % to 0,001 0 % (m/m) in steel. Principle of the method: a) Dissolution of a test portion in hydrochloric and nitric acids. Decomposition of boron compounds (nitrides, etc.) with orthophosphoric and sulphuric acids at a temperature of 290 C; b) Distilla

32、tion of the solution after the addition of methanol and collection of methylborate in a receiver containing sodium hydroxide solution; c) Evaporation of the solution to dryness. Formation of a coloured complex between orthoboric acid and curcumin in a methanol medium; d) Spectrophotometric measureme

33、nts at a wavelength of about 550 nm. 4.1.4 Calcium, Ca 4.1.4.1 EN 10177:1989, Chemical analysis of ferrous materials Determination of calcium in steels Flame atomic absorption spectrometric method. Range of application: Determination of calcium contents greater than 0,000 2 % (m/m) in non-alloyed an

34、d low-alloy steels. Principle of the method: a) Dissolution of a test portion with hydrochloric acid followed by oxidation with nitric acid; b) Addition of potassium chloride solution and spraying of the solution into an acetylene-nitrous oxide flame; determination of the calcium by means of the spe

35、ctrometric measurement of the atomic absorption of the 422,67 nm line emitted by a calcium hollow cathode lamp. PD CEN/TR 10261:2013CEN/TR 10261:2013 (E) 10 4.1.5 Carbon, C 4.1.5.1 EN 10036:1989, Chemical analysis of ferrous materials Determination of total carbon in steels and irons Gravimetric met

36、hod after combustion in a stream of oxygen. Range of application: Determination of carbon content equal to or greater than 0,1 % (m/m) in steels and irons. Principle of the method: a) Combustion of a test portion in a stream of oxygen in a high temperature furnace (1 200 C 1 400 C), with the additio

37、n of a fluxing agent to assist combustion; b) Absorption of the evolved carbon dioxide in soda asbestos contained in a weighed absorption bulb; c) Calculation of the carbon content from the increase in mass of the absorption bulb. 4.1.5.2 EN ISO 15349-2:2003, Unalloyed steel Determination of low car

38、bon content Part 2: Infrared absorption method after combustion in an induction furnace (with preheating) (ISO 15349-2:1999). Range of application: Carbon contents from 0,000 3 % to 0,010 % (m/m) in unalloyed steel. Principle of the method: a) Preheating of a test portion at low temperature and comb

39、ustion of a test portion with accelerator at a high temperature in an induction furnace in a current of pure oxygen; b) Transformation of carbon into carbon dioxide and/or carbon monoxide; c) Measurement of infrared absorption of the carbon dioxide or carbon dioxide/carbon monoxide evolved from stee

40、l and carried by a current of pure oxygen; d) Calibration graph is established using sucrose or calcium carbonate. 4.1.5.3 EN ISO 9556:2001, Steel and iron Determination of total carbon content Infrared absorption method after combustion in an induction furnace (ISO 9556:1989). Range of application:

41、 Determination of carbon contents from 0,003 % to 4,5 % (m/m) in steel and iron. Principle of the method: a) Combustion of a test portion with accelerator at a high temperature in a high-frequency induction furnace in a current of pure oxygen; transformation of carbon into carbon dioxide and/or carb

42、on monoxide; b) Measurement by infrared absorption of the carbon dioxide and/or carbon monoxide carried by a current of oxygen. PD CEN/TR 10261:2013CEN/TR 10261:2013 (E) 11 4.1.6 Chromium, Cr 4.1.6.1 EN 10188:1989, Chemical analysis of ferrous materials Determination of chromium in steels and irons

43、Flame atomic absorption spectrometric method. Range of application: Determination of chromium contents from 0,002 % to 2,0 % (m/m) in non-alloy and low-alloy steels and irons. Principle of the method: a) Dissolution of a test portion with hydrochloric acid followed by oxidation with nitric acid. Fil

44、tration and ignition of the acid insoluble residue. Removal of silica with hydrofluoric acid. Fusion of the residue with potassium hydrogen sulphate, extraction of the melt in acid and addition of the extract to the reserved filtrate; b) Determination of the chromium by means of the spectrometric me

45、asurement of the atomic absorption of the 357,87 nm line emitted by a chromium hollow cathode lamp when the solution is nebulised into a nitrous oxide acetylene flame. 4.1.6.2 EN 24937:1990, Steel and iron Determination of chromium content Potentiometric or visual method (ISO 4937:1986). Range of ap

46、plication: Determination of chromium contents from 0,25 % to 35 % (m/m) in steel and iron. Principle of the method: a) Dissolution of a test portion with appropriate acids; b) Oxidation of chromium in an acid medium to chromium (VI) by ammonium peroxydisulfate in the presence of silver sulphate. Red

47、uction of manganese (VII) by hydrochloric acid; c) Reduction of chromium (VI) by ammonium iron (II) sulphate standard solution; d) In the case of potentiometric detection, determination of the equivalence point by measurement of the potential variation when the ammonium iron (II) sulphate standard s

48、olution is being added; e) In the case of visual detection, titration of the excess ammonium iron (II) sulphate by potassium permanganate standard solution which also acts as the indicator. 4.1.7 Copper, Cu 4.1.7.1 EN 24943:1990, Chemical analysis of ferrous metal Determination of copper content Fla

49、me atomic absorption spectrometric method (ISO 4943:1985). Range of application: Determination of copper contents from 0,004 % to 0,5 % (m/m) in steel and cast iron. Principle of the method: a) Dissolution of a test portion in mixture of hydrochloric, nitric and perchloric acids. Spraying of the solution into an air-acetylene flame. Spectrometric measurement of the atomic absorption of the 324,7 nm spectral line emitted by a copper h