1、BSI Standards Publication PD CEN/TR 10364:2016 Steels and cast irons Determination of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenylethers (PBDE) with regard to directives 2011/65/EU (RoHS) and 2000/53/EC (ELV) LimitationsPD CEN/TR 10364:2016
2、PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of CEN/TR 10364:2016. The UK participation in its preparation was entrusted to Technical Committee ISE/102, Methods of Chemical Analysis for Iron and Steel. A list of organizations represented on this committee can
3、 be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016 ISBN 978 0 580 90484 4 ICS 77.040.30;
4、77.080.01 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 30 April 2016. Amendments issued since publication Date Text affectedPD CEN/TR 10364:2016TECHNICAL R
5、EPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 10364 March 2016 ICS 77.040.30; 77.080.01 English Version Steels and cast irons - Determination of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenylethers (PBDE) with regard to directives 2011/65
6、/EU (RoHS) and 2000/53/EC (ELV) - Limitations Aciers et fontes - Dterminations du plomb, du cadmium, du mercure, du chrome hexavalent, des diphnyles polybroms (PBB) et des diphenylthers polybroms (PBDE) en relation avec les directives 2011/65/EU (RoHS) et 2000/53/EC (ELV) - Limites Stahl und Gusseis
7、en - Bestimmung von Blei, Cadmium, Quecksilber, sechswertigem Chrom, polybromierten Biphenylen (PBB) und polybromierten Diphenylethern im Hinblick auf EU-Direktiven 2011/65/EU (RoHS) und 2000/53/EC (ELV) - Beschrnkungen This Technical Report was approved by CEN on 29 September 2015. It has been draw
8、n 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, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
9、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 CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 B
10、russels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 10364:2016 EPD CEN/TR 10364:2016 CEN/TR 10364:2016 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Requirements and applicability . 4 2.1 General 4 2.2 Bulk mat
11、erials . 4 2.2.1 Lead (Pb) . 4 2.2.2 Cadmium (Cd) and mercury (Hg) . 5 2.2.3 Hexavalent chromium Cr (VI) 5 2.2.4 Polybrominated biphenyls (PBB) and polybrominated diphenylethers (PBDE) . 5 2.3 Surface . 5 2.3.1 General 5 2.3.2 Hexavalent chromium Cr (VI) 5 3 Recommendation . 6 Bibliography 7 PD CEN/
12、TR 10364:2016 CEN/TR 10364:2016 (E) 3 European foreword This document (CEN/TR 10364:2016) has been prepared by Technical Committee ECISS/TC 102 “Methods of chemical analysis for iron and steel”, the secretariat of which is held by SIS. This project was submitted to the vote with document reference F
13、prCEN/TR 16895. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. PD CEN/TR 10364:2016 CEN/TR 10364:2016 (E) 4 1 Scope The present Technical Report giv
14、es guidance regarding the chemical composition controls of steels (except chrome plated products) and cast irons in respect of the European legislation, namely Directives 2011/65/EU (RoHS) 1, repealing 2002/95/EU and 2000/53/EC (ELV) 2. These directives require the characterization of these material
15、s for Cadmium (Cd), hexavalent chromium (Cr (VI), mercury (Hg), Lead (Pb), polybrominated biphenyls (PBB) and polybrominated diphenylethers (PBDE). Nevertheless, the directives do not reflect the correspondence between these elements/compounds and the normal composition of each material concerned. I
16、n other words, for every material there is an obligation to determine all the compounds listed, independently of the relevance of such controls. 2 Requirements and applicability 2.1 General Directive 2011/65/EU, article 4, restricts the following substances to the maximum concentration values to the
17、 following concentrations: Lead: 0,1 %; Mercury: 0,1 %; Cadmium: 0,01 %; Hexavalent chromium: 0,1 %; Polybrominated biphenyls (PBB): 0,1 %; Polybrominated diphenyl ethers (PBDE): 0,1 %. Steel and cast iron manufacturers are often required to state/provide compliance with the directives above and sub
18、mit analytical results for each of those elements/compounds. However, due to the manufacturing processes and the inherent properties of the steels and cast irons, the determination of most of the compounds listed is not applicable or relevant. Subclauses 2.2 and 2.3 details the relevance of these re
19、quirements. 2.2 Bulk materials 2.2.1 Lead (Pb) Due to a 1 755 C boiling point, lead is the single element among the six compounds specified in the directives which can be present in the steels and cast irons. NOTE For stainless steel production using the Argon Oxygen Decarburization (AOD) converter
20、process or equivalent, the lead content in the alloy will be considerably decreased to orders of magnitude below the directives requirements levels. In contrast to cadmium and mercury, lead is also possible to detect and quantify on a reproducible base by using standardized methods as EN 10181 3, EN
21、 62321 4, EN 62321-1 5 or ISO 16918-1 6. PD CEN/TR 10364:2016 CEN/TR 10364:2016 (E) 5 2.2.2 Cadmium (Cd) and mercury (Hg) With high temperature required during the melting processes and because of their physic-chemical properties, cadmium (Cd) and mercury (Hg) are normally absent in steels and cast
22、irons. The temperature required for melting iron based alloys is at least 1 400 C, whereas the boiling temperatures of Cadmium (Cd) and mercury (Hg) are 767 C and 357 C respectively. In other words, these elements will evaporate during the melting process and cannot be present in an easily quantifia
23、ble amount in the steels and cast irons. There are analytical techniques available and appropriate for the determination of both these elements below 1 g/g as, for example, inductively coupled plasma mass spectrometry (ICP-MS), cold vapour atomic absorption spectrometry or electrothermal atomic abso
24、rption spectrometry (ETAAS). However for the physical reasons above, i.e. the “absence of content”, it remains impossible to verify the robustness of the procedures for such aims: this includes selecting the most appropriate dissolution procedures and also the unavailability of appropriate reference
25、 materials. 2.2.3 Hexavalent chromium Cr (VI) According to the document “hexavalent chromium in steels, cobalt, nickel and zirconium based alloys” 7 the occurrence of hexavalent chromium (Cr (VI) in steel is purely hypothetical. This is due to the physical nature of metallic bonding where ions canno
26、t exist. 2.2.4 Polybrominated biphenyls (PBB) and polybrominated diphenylethers (PBDE) The most common types of polybrominated biphenyls (PBB) and polybrominated diphenylethers (PBDE) homologues are penta-, octo- and deca- bromodiphenyl ethers and hexa-, octo- and deca- bromobiphenyl ethers. They ar
27、e extremely stable compounds with boiling points in the range of about 300 to 500 C. Investigations 8 have shown that polybrominated biphenyls (PBB) decompose by pyrohydrolysis at temperatures ranging from 600 to 900 C, i.e. significantly lower than in the steel making process and that the main part
28、 of polybrominated diphenylethers (PBDE) in fly ash from electric arc furnaces are destroyed or removed by thermal treatment at 1 450 C 9. Thus it shall be concluded that these compounds cannot be present in the steel (or cast iron) itself. 2.3 Surface 2.3.1 General The as-delivered products from th
29、e steel plants or foundries are controlled and protected. However, as for any material, the surface of steel and cast iron products may get contaminated or may undergo surface reactions. In some circumstances, due to further processing or treatments, this may result in presence of un-wanted substanc
30、es on the surface. 2.3.2 Hexavalent chromium Cr (VI) Due to some surface treatment, hexavalent chromium (Cr (VI) is the single substance among the six elements/compounds specified in the directives which may be found on the surface of the steels and cast irons. However a positive detection of this i
31、on on the surface of any steel or cast iron shall not be put in correspondence with the bulk material composition. For the control of this ion, standardized methods are available as, for example, EN 62321. PD CEN/TR 10364:2016 CEN/TR 10364:2016 (E) 6 3 Recommendation When receiving requirements rela
32、ted with Directives 2011/65/EU (RoHS), 2002/95/EU and 2000/53/EC, it is recommended to take the information given in the present Technical Report into account. In other words, the single compounds relevant to be determined are: lead in the bulk materials (see NOTE in 2.2.1); hexavalent chromium (Cr
33、(VI) on the surface of some products (see 2.3.2). PD CEN/TR 10364:2016 CEN/TR 10364:2016 (E) 7 Bibliography 1 Directive 2011/65/EU of the European Parliament and of the Council of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS)
34、2 Directive 2000/53/EC of the European Parliament and of the Council of 18 September 2000 on end-of life vehicles (ELV) 3 EN 10181, Chemical analysis of ferrous materials - Determination of lead in steels - Flame atomic absorption spectrometric method 4 EN 62321, Electrotechnical products Determinat
35、ion of levels of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers) (IEC 62321) 5 EN 62321-1, Determination of certain substances in electrotechnical products Part 1: Introduction and overview (IEC 62321-1) 6 ISO 16918-1,
36、Steel and iron Determination of nine elements by the inductively coupled plasma mass spectrometric method Part 1: Determination of tin, antimony, cerium, lead and bismuth 7 Hexavalent Chromium in steels, cobalt, nickel and zirconium based alloys, issued by Swerea KIMAB 8 IPCS/INCHEM, International P
37、rogramme on Chemical Safety, Health and Safety Guide No. 83 9 MING LIN YI., ZHOU S.-Q. et al. Emissions of polybrominated diphenyl ethers during the thermal treatment for electric arc furnace fly ash. Aerosol Air Qual. Res. 2012, 12 pp. 237250 This page deliberately left blankThis page deliberately
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