1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21233-9 SANS 1312:2008Edition 1 and EN amdt 1EN 10312:2002Edition 1 and amdt 1SOUTH AFRICAN NATIONAL STANDARD Welded stainless steel tubes
4、 for the conveyance of water and other aqueous liquids Technical delivery conditions This national standard is the identical implementation of EN 10312:2002 and EN amendment 1, and is adopted with the permission of CEN, rue de Stassart 36, B-1050 Brussels. Published by SABS Standards Division 1 Dr L
5、ategan Road Groenkloof Private Bag X191 Pretoria 0001Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 1312:2008 Edition 1 and EN amdt 1 EN 10312:2002 Edition 1 and amdt 1 Table of changes Change No. Date Scope National foreword This South African standard was approved by National C
6、ommittee SABS SC 138D, Water and sanitation Equipment and systems Copper pipes and steel pipes and fittings, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in September 2008. EUROPEAN STANDARDNORME E
7、UROPENNEEUROPISCHE NORMEN 10312:2002/A1June 2005ICS 23.040.10English versionWelded stainless steel tubes for the conveyance of water andother aqueous liquids - Technical delivery conditionsTubes souds en acier inoxydable pour le transport deauet dautres liquides aqueux - Conditions techniques delivr
8、aisonGeschweite Rohre aus nichtrostenden Sthlen fr denTransport von Wasser und anderen wssrigenFlssigkeiten - Technische LieferbedingungenThis amendment A1 modifies the European Standard EN 10312:2002; it was approved by CEN on 25 April 2005.CEN members are bound to comply with the CEN/CENELEC Inter
9、nal Regulations which stipulate the conditions for inclusion of thisamendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references concerning suchnational standards may be obtained on application to the Central Secretariat or to any CEN member.T
10、his amendment exists in three official versions (English, French, German). A version in any other language made by translation under theresponsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.CEN members are the nation
11、al standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN
12、 COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10312:2002/A1:2005: ESANS 1312:2008
13、This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 10312:2002/A1:2005 (E) 2 Contents Page Foreword3 1 Scope 4 2 Modification to the Title 4 3 Modification to the Foreword .4 4 Modification to the Introduction.4 5 Modification to Clause 1 .4 6
14、 Modification to Clause 2 .5 7 Modification to Clause 3 .5 8 Modification to Clause 6 .5 9 Modification to Subclause 6.1 5 10 Modification to Subclause 9.3 5 11 Modification to Subclause 11.4.1 .5 12 Addition of Clause 15 5 15 Evaluation of conformity.6 13 Modification to Annex ZA .8 SANS 1312:2008T
15、his s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 10312:2002/A1:2005 (E) 3 Foreword This document (EN 10312:2002/A1:2005) has been prepared by Technical Committee ECISS/TC 29 “Steel tubes and fittings for steel tubes”, the secretariat of whic
16、h is held by UNI. This Amendment to the European Standard EN 10312:2002 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2005, and conflicting national standards shall be withdrawn at the latest by December 2005
17、. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. Acco
18、rding to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithua
19、nia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom SANS 1312:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 10312:2002/A1:2005 (E) 4 1 Scope This document a
20、mends the wording and content of EN 10312:2002 as scheduled in the following text, to enable the combined document to be used as the basis for regulatory marking. 2 Modification to the Title Title amend to read: Welded stainless steel tubes for the conveyance of water and other aqueous liquids Techn
21、ical delivery conditions 3 Modification to the Foreword Foreword - add the following new paragraphs: Another European Standard covering tubes for the conveyance of aqueous liquids is: EN 10224, Non-alloy steel tubes and fittings for the conveyance of water and other aqueous liquids Technical deliver
22、y conditions Compliance of a product with this document does not confer a presumption of fitness of the product for the transport of water intended for human consumption within the meaning of the Directive 89/106/EEC. However, until the operation of the envisaged European Acceptance Scheme for const
23、ruction products in contact with water intended for human consumption and the revision of the present document, products complying with this document may be used for the transport of water intended for human consumption if they comply with the relevant national, regional or local regulatory provisio
24、ns applicable in the place of use. 4 Modification to the Introduction Introduction amend as follows: Add as first sentence to the Introduction: “This European Standard applies to welded tubular products in stainless steels for use with all types of aqueous liquids“. 5 Modification to Clause 1 1 repl
25、ace the existing text with: This European Standard specifies the technical delivery conditions for light gauge welded stainless steel tubes, primarily for water applications, supplied in straight lengths and for use at ambient temperatures. This document does not cover applications where elevated te
26、mperature properties are required. The tube is suitable for use with compression fittings or press fittings and for adhesive bonding, silver brazing or inert gas welding of capillary fittings. The document is applicable to tubes in the size range from 6 mm to 267 mm outside diameter made of stainles
27、s (except martensitic and precipitation hardening) steel grades taken from EN 10088-2. SANS 1312:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 10312:2002/A1:2005 (E) 5 6 Modification to Clause 2 2 amend as follows: Amend the followin
28、g references: prEN 10266 and prEN 10168 to read EN 10266 and EN 10168, move to appropriate position in list and delete footnote 1)and footnote reference. 7 Modification to Clause 3 3 amend as follows Amend prEN 10266 to read EN 10266 8 Modification to Clause 6 6 - replace title with the following: I
29、nformation to be obtained by the manufacturer 9 Modification to Subclause 6.1 6.1 replace text with the following: The following information shall be obtained by the manufacturer at the time of enquiry and order. 10 Modification to Subclause 9.3 9.3 amend as follows 1stline, amend prEN 10168 to read
30、 EN 10168 11 Modification to Subclause 11.4.1 Subclause 11.4.1 - Delete text and add the following: The manufacturer shall declare the leak tightness applied test method in accordance with either 11.4.2; 11.4.3; or 11.4.4. (See ZA.3) The choice of test method is at the discretion of the manufacturer
31、, unless Option 7 is specified. 12 Addition of Clause 15 New Clause 15 add the following new clause: SANS 1312:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 10312:2002/A1:2005 (E) 6 15 Evaluation of conformity 15.1 General The compli
32、ance of tubes with the requirements of this document and with the stated values (including classes) shall be demonstrated by: initial type testing; factory production control. 15.2 Initial type testing (ITT) 15.2.1 General ITT is the complete set of tests or other procedures described in the technic
33、al specification, determining the performance of samples of products representative of the steel tube designs. Initial type testing shall be performed to show conformity with this document on first use of this document for welded stainless steel tubes being put onto the market and: at the beginning
34、of the production of a new or modified steel tube type or change to the raw material; at the beginning of a new or modified method of production. In the case of type testing on welded stainless steel tubes for which initial type testing in accordance with this document was already performed, type te
35、sting may be reduced: if it has been established that the performance characteristics compared with the already tested steel tubes have not been affected or; if historical data is available (see 15.2.4). The results of all type tests shall be recorded and stored for at least 5 years. 15.2.2 Characte
36、ristics All characteristics in Clause 8, for which the manufacturer is stating a value, shall be subject to ITT by tests and/or calculation and/or tabulated values in accordance with the relevant subclasses of Clause 8. 15.2.3 Product families For the purposes of testing (including FPC testing) weld
37、ed stainless steel tubes may be grouped into families, where it is considered that the results for a characteristic from any one product is common to all tubes within that family. 15.2.4 Use of historical data Tests previously performed on the same steel tube type in accordance with the provisions o
38、f this document (same characteristic(s), test method, sampling procedure, system of attestation of conformity, etc.) may be taken into account. SANS 1312:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 10312:2002/A1:2005 (E) 7 15.2.5 D
39、eemed to satisfy provisions and use of reference tabulated data In those cases where conformity with this document is based on deemed to satisfy provisions or tabulated values, type testing shall be limited to the verification of whether the steel tube meets the requirements to use those values, cla
40、sses or levels, unless better values, classes or levels are being claimed. 15.2.6 Sampling ITT shall be performed on samples of welded stainless steel tubes representative of the manufactured types in accordance with Table 4. The frequency of testing or assessment shall be in accordance with Clause
41、9.4. Table 16 Characteristics and compliance criteria for the initial type testing of welded stainless steel tubes. Characteristic Requirement Clause Assessment Method Compliance Criteria Yield Strength 8.3 11.1 Pass Dimensional Tolerances 8.8 except for 8.8.3 and 8.8.6 11.7 PassTightness: Liquid 8.
42、5.2 11.4 Pass 15.3 Factory production control (FPC) 15.3.1 General The manufacturer shall establish, document and maintain an FPC system to ensure that the products placed on the market conform to the stated performance characteristics. The FPC system shall consist of procedures, regular inspections
43、 and tests and/or assessments and the use of the results to control feedstock and any other incoming materials or components, equipment, the production process and the product. An FPC system conforming to the requirements of EN ISO 9001, and made specific to the requirements of this document, shall
44、be considered to satisfy the above requirements. The results of inspections, tests or assessments requiring action shall be recorded, as shall any action taken. The action to be taken when control values or criteria are not met shall be recorded and retained for the period specified in the manufactu
45、rers FPC procedures. 15.3.2 Equipment Testing - All weighing, measuring and testing equipment shall be calibrated and regularly inspected according to documented procedures, frequencies and criteria. Manufacturing - All equipment used in the manufacturing process shall be regularly inspected and mai
46、ntained to ensure use, wear or failure does not cause inconsistency in the manufacturing process. Inspections and maintenance shall be carried out and recorded in accordance with the manufacturers written procedures and the records retained for the period defined in the manufacturers FPC procedures.
47、 15.3.3 Feedstock and components The specifications of all incoming feedstock and components shall be documented, as shall the inspection scheme for ensuring their conformity. SANS 1312:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 1
48、0312:2002/A1:2005 (E) 8 15.3.4 Design process The factory production control system shall document the various stages in the design of products; identify the checking procedure and those individuals responsible for all stages of design. During the design process itself, a record shall be kept of all
49、 checks, their results, and any corrective actions taken. This record shall be sufficiently detailed and accurate to demonstrate that all stages of the design phase, and all checks, have been carried out satisfactorily. 15.3.5 Product testing and evaluation The manufacturer shall establish procedures to ensure that the stated values of all declared performance characteristics are being maintained during regular production and record the results of these as part of the production control system. These records shall be
