1、March 2014 Translation by DIN-Sprachendienst.English price group 8No part of this translation may be reproduced without 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).ICS 2
2、3.040.10!%,*“2099307www.din.deDDIN EN 10357Austenitic, austenitic-ferritic and ferritic longitudinally welded stainlesssteel tubes for the food and chemical industry;English version EN 10357:2013,English translation of DIN EN 10357:2014-03Austenitische, austenitisch-ferritische und ferritische lngsn
3、ahtgeschweite Rohre ausnichtrostendem Stahl fr die Lebensmittel- und chemische Industrie;Englische Fassung EN 10357:2013,Englische bersetzung von DIN EN 10357:2014-03Austnitiques, ferritiques et austno-ferritiques Tubes souds longitudinalement en acierinoxydable pour lindustrie alimentaire et chimiq
4、ue;Version anglaise EN 10357:2013,Traduction anglaise de DIN EN 10357:2014-03SupersedesDIN 11850:2009-06www.beuth.deDocument comprises 13 pagesIn case of doubt, the German-language original shall be considered authoritative.02.14DIN EN 10357:2014-03 2 A comma is used as the decimal marker. National
5、foreword This document (EN 10357:2013) has been prepared by Technical Committee ECISS/TC 110 “Steel tubes, and iron and steel fittings” (Secretariat: UNI, Italy). The responsible German bodies involved in its preparation were the Normenausschuss Eisen und Stahl (Iron and Steel Standards Committee),
6、Working Group NA 021-00-09-05 UA Nichtrostende Stahlrohre and the Normenausschuss Armaturen (Valves Standards Committee), Working Committee NA 003-01-14 AA Armaturen fr die Lebensmittelindustrie. This is the first edition of this European Standard and supersedes DIN 11850:2009-06. Amendments This st
7、andard differs from DIN 11850:2009-06 as follows: a) the table of dimensions and tolerances has been revised and supplemented to include preferred dimensions and tolerances, series A (Table 1) and preferred dimensions and tolerances, series B, C and D (Table 2); b) the standard has been technically
8、and editorially revised. Previous editions DIN LAND 850 = DIN 11850: 1936-10, 1953x-12, 1963-09, 1976-11, 1985-07, 1999-10, 2009-02, 2009-06 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10357 December 2013 ICS 23.040.10 English Version Austenitic, austenitic-ferritic and ferritic longitudina
9、lly welded stainless steel tubes for the food and chemical industry Austnitiques, ferritiques et austno-ferritiques Tubes souds longitudinalement en acier inoxydable pour lindustrie alimentaire et chimique Austenitische, austenitisch-ferritische und ferritische lngsnahtgeschweite Rohre aus nichtrost
10、endem Stahl fr die Lebensmittel- und chemische Industrie This European Standard was approved by CEN on 5 October 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without
11、any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other lang
12、uage made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmar
13、k, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE F
14、OR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC 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. EN 10357:2013 EEN 10357:2013 (E) 2
15、Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Dimensions and tolerances 4 3.1 Dimensions and tolerances for tubes4 3.2 Straightness .7 4 Information to be supplied by the purchaser .7 4.1 Mandatory information 7 4.2 Example of an order 7 5 Materials .7 6 Manufacturing process, requir
16、ements and surface characteristics 8 7 Testing and inspection documents .8 8 Marking .9 9 Packaging and transport .9 Annex A (informative) Responsibility on selection of material 10 Bibliography . 11 DIN EN 10357:2014-03 EN 10357:2013 (E) 3 Foreword This document (EN 10357:2013) has been prepared by
17、 Technical Committee ECISS/TC 110 “Steel tubes, and iron and steel fittings”, the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2014, and conflicting na
18、tional standards shall be withdrawn at the latest by June 2014. 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 rights. According to the CEN-C
19、ENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary,
20、 Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 10357:2014-03 EN 10357:2013 (E) 4 1 Scope This European Standard specifies dimensions, tolerances, mat
21、erials, internal and external surface characteristics, and marking of stainless steels longitudinally fusion welded tubes for the food and chemical industry. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its
22、 application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 10028-7:2007, Flat products made of steels for pressure purposes - Part 7: Stainless steels EN 10204, Metallic products - T
23、ypes of inspection documents EN 10217-7, Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes EN ISO 4288, Geometrical product specifications (GPS) - Surface texture: Profile method - Rules and procedures for the assessment of surface texture (ISO
24、4288) 3 Dimensions and tolerances 3.1 Dimensions and tolerances for tubes Dimensions and tolerances for tubes are indicated in Table 1 and Table 2. DIN EN 10357:2014-03 EN 10357:2013 (E) 5 Table 1 Preferred dimensions and tolerances (mm) Series A External tube diameter 13,00 19,00 23,00 29,00 35,00
25、41,00 53,00 70,00 85,00 104,00 129,00 154,00 204,00 External diameter tolerances 0,10 0,10 0,12 0,15 0,18 0,21 0,27 0,35 0,43 0,78 0,97 1,16 1,53 Internal diameter (theoretical) 10,00 16,00 20,00 26,00 32,00 38,00 50,00 66,00 81,00 100,00 125,00 150,00 200,00 Wall thickness 1,50 1,50 1,50 1,50 1,50
26、1,50 1,50 2,00 2,00 2,00 2,00 2,00 2,00 Wall thickness tolerances 0,15 0,15 0,15 0,15 0,15 0,15 0,15 0,20 0,20 0,20 0,20 0,20 0,20 DIN EN 10357:2014-03 EN 10357:2013 (E) 6 Table2 Alternative dimensions and tolerances a(mm)Series B External tube diameter 12,00 18,00 22,00 28,00 34,00 40,00 52,00 Exte
27、rnal diameter tolerances 0,10 0,10 0,12 0,15 0,18 0,21 0,27 Internal diameter (theoretical) 10,00 16,00 20,00 26,00 32,00 38,00 50,00 Wall thickness 1,00 1,00 1,00 1,00 1,00 1,00 1,00 Wall thickness tolerances 0,10 0,10 0,10 0,10 0,10 0,10 0,10 Series C External tube diameter 17,20 21,30 26,90 33,70
28、 42,40 48,30 60,30 76,10 88,90 114,30 External diameter tolerances 0,10 0,11 0,14 0,17 0,21 0,24 0,30 0,38 0,44 0,86 Internal diameter (theoretical) 14,00 18,10 23,70 29,70 38,40 44,30 56,30 72,10 84,90 110,30 Wall thickness 1,60 1,60 1,60 2,00 2,00 2,00 2,00 2,00 2,00 2,00 Wall thickness tolerances
29、 0,15 0,15 0,15 0,20 0,20 0,20 0,20 0,20 0,20 0,20 Series D External tube diameter 25,00 25,40 32,00 38,00 38,10 38,10 50,80 50,80 51,00 63,50 63,50 76,10 76,10 76,10 101,60 External diameter tolerances 0,13 0,13 0,16 0,19 0,19 0,19 0,25 0,25 0,25 0,32 0,32 0,38 0,38 0,38 0,76 Internal diameter (the
30、oretical) 22,60 22,20 29,60 35,60 35,10 34,90 47,80 47,60 48,60 60,50 60,30 73,10 72,90 72,10 97,60 Wall thickness 1,20 1,60 1,20 1,20 1,50 1,60 1,50 1,60 1,20 1,50 1,60 1,50 1,60 2,00 2,00 Wall thickness tolerances 0,12 0,16 0,12 0,12 0,15 0,16 0,15 0,16 0,12 0,15 0,16 0,15 0,16 0,20 0,20 aFor dime
31、nsions different from the ones listed above the tolerances are: EN ISO 1127-D4 for external diameter 90 mm In external diameter tolerances ovality is included For wall thickness 10 % DIN EN 10357:2014-03 EN 10357:2013 (E) 7 3.2 Straightness Straightness deviation for a given length shall be determin
32、ed by the following formula: 0,0015 length and shall not exceed 2 mm/m. 4 Information to be supplied by the purchaser 4.1 Mandatory information The following information shall be supplied by the purchaser at the time of enquiry and order: a) the quantity (total weight or total metres or number of tu
33、bes); b) the reference to this standard ; c) the term “tube”; d) manufacturing process symbol and surface characteristics (see Table 3); e) the dimensions (outside diameter D and wall thickness T); f) single unit length and related tolerance; g) the designation of the steel grade according to EN 102
34、17-7 except for ferritic grades; h) the designation of the steel grade according to EN 10028-7 only for ferritic; i) production and testing according to EN 10217-7 TC1 or TC2; for ferritic grades the reference values shall be agreed; j) other options according to EN 10217-7. 4.2 Example of an order
35、1000 m of welded tube according to EN 10357, manufacturing process BC, external diameter = 40 mm, thickness = 1 mm, single unit length 6000 mm (0/+100) mm test category 1 according to EN 10217-7, grade 1.4404 and inspection certificate 3.1 according to EN 10204: 1000 m Tube EN 10357 BC - 40 1 6000 (
36、0/+100) mm - TC1 EN 10217-7/1.4404 - 3.1 5 Materials Materials used for tubes manufacturing according to this standard shall be: austenitics and austenitic-ferritics according to EN 10217-7; ferritics according to EN 10028-7. DIN EN 10357:2014-03 EN 10357:2013 (E) 8 6 Manufacturing process, requirem
37、ents and surface characteristics The tubes shall be manufactured from cold rolled plate, sheet or strip, longitudinally fusion welded, with or without the addition of filler metal. Manufacturing process, requirements and surface characteristics are specified in Table 3 Table 3 Manufacturing process,
38、 requirements and surface characteristics Manufacturing process Heat treatment Surface characteristics and roughness Symbol Internal surface Internal weld bead External surface and welding area From cold rolled materialaWelded, welding bead rolled Not heat treated Ra 219,1 mm, transversal weld tensi
39、le test is required. Rmshall be according to the base material requirements). DIN EN 10357:2014-03 EN 10357:2013 (E) 9 Intergranular corrosion testing shall be performed in accordance with EN 10217-7 for austenitic and austenitic-ferritic grades; for ferritic grades the test procedure shall be agree
40、d. Roughness measurements shall be performed inside the tube at least 5 mm from the end, in accordance with EN ISO 4288 on at least one test run for every 20 tubes per production batch. The measurements shall be recorded. Measurements shall be performed both on the welded bead and on the base materi
41、al. The inspection certificate shall report the conformity of the executed measurements. In the case of CD and BD manufacturing process, additional outside roughness measurements shall be performed at least at 100 mm from the tube end with the same frequency as for the internal one. The following in
42、spection documents shall be issued: 3.1 according to EN 10204 8 Marking Each tube shall be marked, by suitable and durable methods, with the following information: Manufacturers name or trademark; EN 10357 TC1 or TC2 for test categories 1 or 2, respectively, as in EN 10217-7; Symbol of the execution
43、 process according to Table 3 Steel grade Dimensions Heat number For TC 2 tubes, the identification number (e.g. order or item number), according to EN 10217-7, which permits the correlation of the product or delivery unit to the related document The mark of the inspection representative Different k
44、ind of marking and additional labelling shall be agreed at the time of the order. 9 Packaging and transport Tubes shall be delivered dry. Ground tubes in CD or BD execution process shall be protected by PE sleeves, unless differently agreed at the time of enquiry and order. Packaging and transport s
45、hall be agreed at the time of the order. DIN EN 10357:2014-03 EN 10357:2013 (E) 10 Annex A (informative) Responsibility on selection of material The responsibility for material selection shall remain with the designer/end user. It is not in the scope of this standard to give guidance for selecting t
46、he appropriate material for individual applications. Regulations for materials in contact with drinking water for human use, food and dairy applications apply which may vary across the European Union Member states. For guidance, the most commonly used materials are listed in Table A.1 below. Table A
47、.1 Steel grades Steel name Material number X5CrNi1810 1.4301 X2CrNi189 1.4307 X2CrNiMo17122 1.4404 X2CrNiMo17123 1.4432 X2CrNiMo18143 1.4435 DIN EN 10357:2014-03 EN 10357:2013 (E) 11 Bibliography EN ISO 1127, Stainless steel tubes - Dimensions, tolerances and conventional masses per unit length (ISO 1127) DIN EN 10357:2014-03
