1、BSI Standards PublicationAustenitic, austenitic-ferritic and ferritic longitudinally welded stainless steel tubes for the food and chemical industryBS EN 10357:2013National forewordThis British Standard is the UK implementation of EN 10357:2013. It par-tially supersedes BS 4825-1:1991+A2:2009, speci
2、fically those parts whichrelate to welded tubes only. BS EN 10357:2013 does not cover seamlesstubes.The UK participation in its preparation was entrusted to TechnicalCommittee ISE/110, Steel Tubes, and Iron and Steel Fittings.A list of organizations represented on this committee can be obtained onre
3、quest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 77448 5ICS 23.040.10Compliance with a British
4、 Standard cannot confer immunity fromlegal obligations.T h i s B r i t i s h S t a n d a r d w a s p u b l i s h e d u n d e r t h e a u t h o r i t y o f t h eS t a n d a r d s P o l i c y a n d S t r a t e g y C o m m i t t e e o n 28 February 2 0 1 4 .Amendments/corrigenda issued since publicatio
5、nDate Text affectedBRITISH STANDARDBS EN 10357:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10357 December 2013 ICS 23.040.10 English Version Austenitic, austenitic-ferritic and ferritic longitudinally welded stainless steel tubes for the food and chemical industry Austnitiques, ferritiq
6、ues et austno-ferritiques Tubes souds longitudinalement en acier inoxydable pour lindustrie alimentaire et chimique Austenitische, austenitisch-ferritische und ferritische lngsnahtgeschweite Rohre aus nichtrostendem Stahl fr die Lebensmittel- und chemische Industrie This European Standard was approv
7、ed 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 any alteration. Up-to-date lists and bibliographical references concerning such national s
8、tandards 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 language made by translation under the responsibility of a CEN member into its own language an
9、d 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, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hunga
10、ry, 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 CEN-CENEL
11、EC 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 EBS EN 10357:2013EN 10357:2013 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Dimensions a
12、nd 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, requirements and surface characteristics 8 7 Testing and inspection documents .8
13、 8 Marking .9 9 Packaging and transport .9 Annex A (informative) Responsibility on selection of material 10 Bibliography . 11 BS EN 10357:2013EN 10357:2013 (E) 3 Foreword This document (EN 10357:2013) has been prepared by Technical Committee ECISS/TC 110 “Steel tubes, and iron and steel fittings”, t
14、he 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 national standards shall be withdrawn at the latest by June 2014. Attention is dr
15、awn 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-CENELEC Internal Regulations, the national standards organisations of the follow
16、ing 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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, No
17、rway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 10357:2013EN 10357:2013 (E) 4 1 Scope This European Standard specifies dimensions, tolerances, materials, internal and external surface characteristics, and marking of stainless stee
18、ls 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 application. For dated references, only the edition cited applies. For undated refe
19、rences, 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 - Types of inspection documents EN 10217-7, Welded steel tubes for pressure purposes -
20、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 4288) 3 Dimensions and tolerances 3.1 Dimensions and tolerances for tubes Dimensions
21、 and tolerances for tubes are indicated in Table 1 and Table 2. BS EN 10357:2013EN 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 41,00 53,00 70,00 85,00 104,00 129,00 154,00 204,00 External diameter tolerances 0,10 0,1
22、0 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 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 0,1
23、5 0,15 0,15 0,20 0,20 0,20 0,20 0,20 0,20 BS EN 10357:2013EN 10357:2013 (E) 6 Table 2 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 External diameter tolerances 0,10 0,10 0,12 0,15 0,18 0,21 0,27 Internal diameter (theoretical)
24、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 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
25、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 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,
26、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 (theoretical) 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 72,1
27、0 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 dimensions different from the ones listed above the tolerances are: EN ISO 1127-D4 for external
28、diameter 90 mm In external diameter tolerances ovality is included For wall thickness 10 % BS EN 10357:2013EN 10357:2013 (E) 7 3.2 Straightness Straightness deviation for a given length shall be determined by the following formula: 0,0015 length and shall not exceed 2 mm/m. 4 Information to be suppl
29、ied 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 tubes); b) the reference to this standard ; c) the term “tube”; d) manufacturing process symbol and
30、 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 10217-7 except for ferritic grades; h) the designation of the steel grade according to EN 10028-7 on
31、ly 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 1000 m of welded tube according to EN 10357, manufacturing process BC, external diameter = 40 mm,
32、 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 (0/+100) mm - TC1 EN 10217-7/1.4404 - 3.1 5 Materials Materials used for tubes manufacturing accor
33、ding to this standard shall be: austenitics and austenitic-ferritics according to EN 10217-7; ferritics according to EN 10028-7. BS EN 10357:2013EN 10357:2013 (E) 8 6 Manufacturing process, requirements and surface characteristics The tubes shall be manufactured from cold rolled plate, sheet or stri
34、p, 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, requirements and surface characteristics Manufacturing process Heat treatment Surface characteristics
35、 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 tensile test is required. Rmshall be according to the base material requirements). BS EN 10357:2013EN 10357
36、: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 agreed. Roughness measurements shall be performed inside the tube at least 5 mm from the end, in accordance with
37、 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 material. The inspection certificate shall report the conformity of the executed measurements. In the case of CD
38、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 inspection documents shall be issued: 3.1 according to EN 10204 8 Marking Each tube shall be marked, by suita
39、ble 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 process according to Table 3 Steel grade Dimensions Heat number For TC 2 tubes, the identification number
40、(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 kind of marking and additional labelling shall be agreed at the time of the order. 9 Packaging and transport
41、 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 shall be agreed at the time of the order. BS EN 10357:2013EN 10357:2013 (E) 10 Annex A (informative) Respons
42、ibility 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 the appropriate material for individual applications. Regulations for materials in contact with drinking water fo
43、r 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.1 Steel grades Steel name Material number X5CrNi1810 1.4301 X2CrNi189 1.4307 X2CrNiMo17122 1.4404 X2CrNiMo17123
44、 1.4432 X2CrNiMo18143 1.4435 BS EN 10357:2013EN 10357:2013 (E) 11 Bibliography EN ISO 1127, Stainless steel tubes - Dimensions, tolerances and conventional masses per unit length (ISO 1127) BS EN 10357:2013This page deliberately left blankThis page deliberately left blankBSI is the national body res
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