1、BSI Standards PublicationBS EN 10305-3:2016Steel tubes for precisionapplications Technicaldelivery conditionsPart 3: Welded cold sized tubesBS EN 10305-3:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 10305-3:2016.It supersedes BS EN 10305-3:2010 which is
2、withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ISE/110, Steel Tubes, and Iron and Steel Fittings.A list of organizations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 beobtained on request to its secretary.This publication does not purport to include all the necessaryprovi
3、sions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016. Published by BSI StandardsLimited 2016ISBN 978 0 580 90487 5ICS 77.140.75Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published
4、under the authority of theStandards Policy and Strategy Committee on 30 April 2016.Amendments issued since publicationDate Text affectedBS EN 10305-3:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10305-3 March 2016 ICS 77.140.75 Supersedes EN 10305-3:2010English Version Steel tubes for pr
5、ecision applications - Technical delivery conditions - Part 3: Welded cold sized tubes Tubes de prcision en acier - Conditions techniques de livraison - Partie 3 : Tubes souds calibrs froid Przisionsstahlrohre - Technische Lieferbedingungen -Teil 3: Geschweite magewalzte Rohre This European Standard
6、 was approved by CEN on 18 January 2016. 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 suc
7、h 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 language made by translation under the responsibility of a CEN member into its own
8、 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, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, G
9、reece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUN
10、G CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10305-3:2016 EBS EN 10305-3:2016EN 10305-3:2016 (E) 2 Contents Page European foreword . 4 1 Scope 5 2 Normative
11、 references 5 3 Terms and definitions . 6 4 Symbols . 7 5 Classification and Designation . 7 5.1 Classification . 7 5.2 Designation 7 6 Information to be supplied by the purchaser . 7 6.1 Mandatory information 7 6.2 Options 7 6.3 Example of an order . 8 7 Manufacturing process 9 7.1 Steelmaking proc
12、ess 9 7.2 Tube manufacture and delivery conditions 9 8 Requirements 10 8.1 General . 10 8.2 Chemical composition 10 8.3 Mechanical properties 12 8.4 Appearance and internal soundness. 13 8.5 Dimensions and tolerances 14 8.5.1 Outside diameter and wall thickness 14 8.5.2 Lengths . 16 8.5.3 Straightne
13、ss 17 8.5.4 Preparation of ends . 17 9 Inspection . 17 9.1 Types of inspection 17 9.2 Inspection documents 17 9.2.1 Types of inspection documents. 17 9.2.2 Content of inspection documents . 18 9.3 Summary of inspection and testing . 18 10 Sampling 19 10.1 Test unit . 19 10.2 Preparation of samples a
14、nd test pieces . 20 10.2.1 Location, orientation and preparation of samples and test pieces for mechanical tests . 20 10.2.2 Test pieces for roughness measurement . 20 11 Test methods . 20 11.1 Tensile test . 20 11.2 Flattening test 20 11.3 Drift expanding test . 21 BS EN 10305-3:2016EN 10305-3:2016
15、 (E) 3 11.4 Dimensional inspection 22 11.5 Roughness measurement 22 11.6 Visual examination 22 11.7 Non-destructive testing 22 11.7.1 Testing for longitudinal imperfections . 22 11.7.2 Leak-tightness 22 11.7.3 Testing of transverse welds for imperfections 22 11.8 Retests, sorting and reprocessing. 2
16、2 12 Marking 22 13 Protection and packaging 23 Bibliography . 24 BS EN 10305-3:2016EN 10305-3:2016 (E) 4 European foreword This document (EN 10305-3:2016) has been prepared by Technical Committee ECISS/TC 110 “Steel tubes and iron and steel fittings”, the secretariat of which is held by UNI. This Eu
17、ropean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2016 and conflicting national standards shall be withdrawn at the latest by September 2016. Attention is drawn to the possibility that some of th
18、e 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. This document supersedes EN 10305-3:2010. In comparison with the previous edition, the following technical changes have been made: a) Refer
19、ences were adapted; b) The options were renumbered in such a way that now throughout all parts the number of options are the same; c) Addition of steel grades E460, E500, E550, E600 and E700; d) Editorial updates. EN 10305, Steel tubes for precision applications - Technical delivery conditions consi
20、sts of the following parts: Part 1: Seamless cold drawn tubes Part 2: Welded cold drawn tubes Part 3: Welded cold sized tubes Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems Part 5: Welded cold sized square and rectangular tubes Part 6: Welded cold drawn tubes for hydraul
21、ic and pneumatic power systems According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Rep
22、ublic 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 the United Kingdom. BS EN 10305-3:2016EN 10305-3:2016 (E) 5 1 Scope This Eur
23、opean Standard specifies the technical delivery conditions for welded cold sized steel tubes of circular cross section for precision applications with specified outside diameter D 193,7 mm. This document may also be applied to other types (excluding square and rectangular) of cross section. Tubes ac
24、cording to this document are characterized by having precisely defined tolerances on dimensions and a specified maximum surface roughness. Typical fields of application are in the vehicle, furniture and general engineering industries. 2 Normative references The following documents, in whole or in pa
25、rt, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 10020:2000, Definition and classification of g
26、rades of steel EN 10021:2006, General technical delivery conditions for steel products EN 10027-1, Designation systems for steels - Part 1: Steel names EN 10027-2, Designation systems for steels - Part 2: Numerical system EN 10052:1993, Vocabulary of heat treatment terms for ferrous products EN 1016
27、8, Steel products - Inspection documents - List of information and description EN 10204, Metallic products - Types of inspection documents EN 10266:2003, Steel tubes, fittings and structural hollow sections - Symbols and definitions of terms for use in product standards EN ISO 377, Steel and steel p
28、roducts - Location and preparation of samples and test pieces for mechanical testing (ISO 3773) EN ISO 2566-1, Steel - Conversion of elongation values - Part 1: Carbon and low alloy steels (ISO 2566-1) EN ISO 4287, Geometrical product specifications (GPS) - Surface texture: Profile method - Terms, d
29、efinitions and surface texture parameters (ISO 4287) EN ISO 6892-1, Metallic materials - Tensile testing - Part 1: Method of test at room temperature (ISO 6892-1) EN ISO 8492, Metallic materials - Tube - Flattening test (ISO 8492) EN ISO 8493, Metallic materials - Tube - Drift-expanding test (ISO 84
30、93) EN ISO 10893-1, Non-destructive testing of steel tubes - Part 1: Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leaktightness (ISO 10893-1) BS EN 10305-3:2016EN 10305-3:2016 (E) 6 EN ISO 10893-2, Non-destructiv
31、e testing of steel tubes - Part 2: Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of imperfections (ISO 10893-2) EN ISO 10893-3, Non-destructive testing of steel tubes - Part 3: Automated full peripheral flux leakage testing of seaml
32、ess and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections (ISO 10893-3) EN ISO 10893-10, Non-destructive testing of steel tubes - Part 10: Automated full peripheral ultrasonic testing of seamless and welded (except submer
33、ged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections (ISO 10893-10) EN ISO 10893-11, Non-destructive testing of steel tubes - Part 11: Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse impe
34、rfections (ISO 10893-11) ISO 11484, Steel products - Employers qualification system for non-destructive testing (NDT) personnel 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 10020:2000, EN 10021:2006, EN 10052:1993, EN 10266:2003 and the following a
35、pply. 3.1 employer organization for which a person works on a regular basis Note 1 to entry: The employer may be either the tube manufacturer or a third party organization providing services, such as non-destructive testing (NDT). 3.2 manufacturer party to produce and to deliver tubes in accordance
36、with this document Note 1 to entry: Where tubes are delivered through an intermediary, see EN 10021:2006, Clause 6. 3.3 imperfection discontinuity in the wall or on the pipe surfaces detectable by methods described in this document Note 1 to entry: Imperfections with a size complying with the accept
37、ance criteria specified in this document are considered to have no practical implication on the intended use of the product. 3.4 defect imperfection of a size not complying with the acceptance criteria specified in this document Note 1 to entry: Defects are considered to adversely affect or limit th
38、e intended use of the product. 3.5 parent coil coil originating from the hot rolling process prior to any subsequent operation (pickling, slitting, cold rolling or coating) BS EN 10305-3:2016EN 10305-3:2016 (E) 7 4 Symbols For the purposes of this document, the symbols in EN 10266:2003 apply. 5 Clas
39、sification and Designation 5.1 Classification In accordance with the classification system in EN 10020 the steel grades given in Table 2 are non-alloy quality steels except steel grade E700 which is an alloy quality steel. 5.2 Designation For the tubes covered by this document the steel designation
40、consists of the number of this document (EN 10305-3) plus either: a) the steel name in accordance with EN 10027-1; or b) the steel number in accordance with EN 10027-2. 6 Information to be supplied by the purchaser 6.1 Mandatory information The following information shall be obtained by the manufact
41、urer at the time of enquiry and order: a) the quantity (mass or total length or number); b) the term “tube”; c) the dimensions (see 8.5.1); d) the steel designation (see 5.2); e) the delivery condition including the surface condition (see 7.2.1 and 7.2.2); f) type of tube length and, where applicabl
42、e, the length (see 8.5.2); g) type of inspection document (see 9.1). 6.2 Options A number of options are specified in this document and these are listed below. In the event that the purchaser does not indicate his wish to implement any of these options at the time of enquiry and order, the tubes sha
43、ll be supplied in accordance with the basic specification (see 6.1). Option 1: specification of a steel grade not specified in this document (see 8.2); Option 3: suitability for hot-dip galvanizing (see 8.2); Option 4: surface condition for further processing (see 8.4.1); Option 6: removal of intern
44、al weld bead (see 8.4.2); BS EN 10305-3:2016EN 10305-3:2016 (E) 8 Option 8: measurement of surface roughness (see 8.4.4); Option 9: specific surface roughness (see 8.4.4); Option 11: non-destructive testing of the weld seam for the detection of longitudinal imperfections (see 8.4.8); Option 12: non-
45、destructive testing for the detection of longitudinal imperfections (see 8.4.8 and 11.7); Option 13: non-destructive testing for verification of leak-tightness (see 8.4.8); Option 14: specification of a procedure to test transverse welds for the detection of imperfections (see 8.4.8); Option 15: spe
46、cification of a cross section other than circular (see 8.5.1.1); Option 16: reduced diameter tolerances (see 8.5.1.2); Option 17: unilateral diameter tolerance (see 8.5.1.2); Option 19: reduced wall thickness tolerance (see 8.5.1.3); Option 20: unilateral wall thickness tolerance (see 8.5.1.3); Opti
47、on 21: another specified length and/or tolerance (see 8.5.2); Option 22: reduced maximum deviation from straightness (see 8.5.3); Option 23: specified end finishing (see 8.5.4); Option 25: flattening or drift expanding test for delivery condition +A or +N (see Table 9); Option 26: test unit with tub
48、es from one cast only (see 10.1); Option 27: more restrictive requirement on flattening test (see 11.2); Option 28: alternative marking (see Clause 12); Option 29: delivery without corrosion protection (see Clause 13); Option 30: specified corrosion protection (see Clause 13); Option 38: unbundled t
49、ubes or specific method of packaging (see Clause 13). 6.3 Example of an order 12 000 m tube with an outside diameter of D = 40 mm and a wall thickness of T = 1,5 mm in accordance with this document, made of steel grade E235 in the normalized condition, pickled, to be delivered in standard lengths of 6 m with an 3.1 inspection certificate in accordance with EN 10204. 12 000 m tubes D 40 x T 1,5 EN 10305-3 E235+N S2 standard length inspection certificate 3.1 BS EN 10305-3:2016EN 10305-3:2016 (E) 9 7
