1、BSI Standards PublicationBS EN 10305-5:2016Steel tubes for precisionapplications Technicaldelivery conditionsPart 5: Welded cold sized square andrectangular tubesBS EN 10305-5:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 10305-5:2016. It supersedes BS EN
2、 10305-5:2010 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/110, Steel Tubes, and Iron and Steel Fittings.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to incl
3、ude all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 90489 9 ICS 77.140.75 Compliance with a British Standard cannot confer immunity from legal obligations.This
4、British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 10305-5:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10305-5 March 2016 ICS 77.140.75 Superse
5、des EN 10305-5:2010English Version Steel tubes for precision applications - Technical delivery conditions - Part 5: Welded cold sized square and rectangular tubes Tubes de prcision en acier - Conditions techniques de livraison - Partie 5 : Tubes souds calibrs avec section carre et rectangulaire Przi
6、sionsstahlrohre - Technische Lieferbedingungen -Teil 5: Geschweite maumgeformte Rohre mit quadratischem und rechteckigem Querschnitt This European Standard was approved by CEN on 18 January 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions
7、 for giving this European Standard the status of a national standard without 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 t
8、hree 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 and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards
9、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, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia
10、, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worl
11、dwide for CEN national Members. Ref. No. EN 10305-5:2016 EBS EN 10305-5:2016EN 10305-5:2016 (E) 2 Contents Page European foreword . 4 1 Scope 5 2 Normative references 5 3 Terms and definitions . 6 4 Symbols . 6 5 Classification and designation 6 5.1 Classification . 6 5.2 Designation 6 6 Information
12、 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 8 7.1 Steelmaking process 8 7.2 Tube manufacture and delivery conditions 8 8 Requirements . 9 8.1 General 9 8.2 Chemical composition . 9 8.3 Mechanical properties 11 8.4
13、 Appearance and internal soundness. 12 8.5 Dimensions and tolerances 13 8.5.1 Side length(s), wall thickness and mass per unit length 13 8.5.2 Side length(s) tolerances . 14 8.5.3 Wall thickness tolerances . 15 8.5.4 Corner profile 16 8.5.5 Length and length tolerances 16 8.5.6 Straightness 17 8.5.7
14、 Squareness of sides . 17 8.5.8 Concavity and convexity 18 8.5.9 Twist . 18 8.5.10 Preparation of ends . 18 9 Inspection . 19 9.1 Types of inspection 19 9.2 Inspection documents 19 9.2.1 Types of inspection documents. 19 9.2.2 Content of inspection documents . 19 9.3 Summary of inspection and testin
15、g . 20 10 Sampling 20 10.1 Frequency of tests 20 10.1.1 Test unit . 20 10.1.2 Number of sample tubes 20 10.2 Preparation of samples and test pieces . 20 BS EN 10305-5:2016EN 10305-5:2016 (E) 3 10.2.1 General . 20 10.2.2 Test pieces for the tensile test . 21 10.2.3 Test pieces for outside roughness m
16、easurement . 21 11 Test methods 21 11.1 Tensile test 21 11.2 Dimensional inspection 22 11.3 Roughness measurement 22 11.4 Visual examination 22 11.5 Non-destructive testing 22 11.6 Retests, sorting and reprocessing. 22 12 Marking 22 13 Protection and packaging 23 Bibliography . 24 BS EN 10305-5:2016
17、EN 10305-5:2016 (E) 4 European foreword This document (EN 10305-5:2016) 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 European Standard shall be given the status of a national standard, either by publica
18、tion 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 the elements of this document may be the subject of patent rights. CEN and/or CENELEC
19、 shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 10305-5:2010. In comparison with the previous edition, the following technical changes have been made: a) References were adapted; b) The options were renumbered in such a way that now throughou
20、t 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 consists of the following parts: Part 1: Seamless cold drawn tubes Part 2: Welded cold d
21、rawn 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 hydraulic and pneumatic power systems According to the CEN-CENELEC Internal Regulations, t
22、he 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 Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latv
23、ia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 10305-5:2016EN 10305-5:2016 (E) 5 1 Scope This European Standard specifies the technical delivery conditions for welded cold sized st
24、eel tubes of square and rectangular cross section for precision applications. Tubes according to this document are characterized by having precisely defined tolerances on dimension and a specified maximum surface roughness. Typical fields of application are in the automotive, furniture and general e
25、ngineering industries. 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 references, the latest edition of the referenced docume
26、nt (including any amendments) applies. EN 10020:2000, Definition and classification of grades 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: Numeric
27、al system EN 10052:1993, Vocabulary of heat treatment terms for ferrous products EN 10168, 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 - Sym
28、bols and definitions of terms for use in product standards EN ISO 377, Steel and steel products - Location and preparation of samples and test pieces for mechanical testing (ISO 377) EN ISO 2566-1, Steel - Conversion of elongation values - Part 1: Carbon and low alloy steels (ISO 2566-1) EN ISO 4287
29、, Geometrical product specifications (GPS) - Surface texture: Profile method - Terms, definitions 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 10893-2, Non-destructive testing of steel t
30、ubes - 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 10893-11, Non-destructive testing of steel tubes - Part 11: Automated ultrasonic testing of the weld seam of welded steel tubes for t
31、he detection of longitudinal and/or transverse imperfections (ISO 10893-11) ISO 11484, Steel products - Employers qualification system for non-destructive testing (NDT) personnel BS EN 10305-5:2016EN 10305-5:2016 (E) 6 3 Terms and definitions For the purposes of this document, the terms and definiti
32、ons given in EN 10020:2000, EN 10021:2006, EN 10052:1993, EN 10266:2003 and the following apply. 3.1 employer organization for which a person works on a regular basis Note 1 to entry: The employer can be either the tube manufacturer or a third party organization providing services, such as non-destr
33、uctive testing (NDT). 3.2 manufacturer party to produce and to deliver tubes in accordance with this document Note 1 to entry: Where tubes are delivered by an intermediary, see EN 10021:2006, Clause 6. 3.3 imperfection discontinuity in the wall or on the pipe surfaces detectable by methods described
34、 in this document Note 1 to entry: Imperfections with a size complying with the acceptance 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
35、 this document Note 1 to entry: Defects are considered to adversely affect or limit the intended use of the product. 3.5 parent coil coil originating from the hot rolling process prior to any further operation (pickling, slitting, cold rolling or coating) 4 Symbols For the purposes of this document,
36、 the symbols in EN 10266:2003 apply. 5 Classification 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 co
37、vered by this document the steel designation consists of the number of this document (EN 10305-5) plus either: a) the steel name in accordance with EN 10027-1; or BS EN 10305-5:2016EN 10305-5:2016 (E) 7 b) the steel number in accordance with EN 10027-2. 6 Information to be supplied by the purchaser
38、6.1 Mandatory information The following information shall be supplied by the purchaser at the time of enquiry and order: a) the quantity (mass or total length or number of pieces); b) the term “tube“; c) the dimensions (see 8.5.1); d) the steel designation (see 5.2); e) the delivery condition includ
39、ing the surface condition (see 7.2.1 and 7.2.2); f) type of tube length and, where applicable, the length (see 8.5.5); 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 indicat
40、e a wish to implement any of these options at the time of enquiry and order, the tubes shall 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); O
41、ption 4: surface condition for further processing (see 8.4.1); Option 5: position of the weld line (see 8.4.2); Option 6: removal of internal weld bead (see 8.4.3); Option 8: measurement of surface roughness (see 8.4.5); Option 9: specific surface roughness (see 8.4.5); Option 11: non-destructive te
42、sting of the weld seam for the detection of longitudinal imperfections (see 8.4.8); Option 19: reduced wall thickness tolerance (see 8.5.3); Option 20: unilateral wall thickness tolerance (see 8.5.3); Option 21: another specified length and/or tolerance (see 8.5.5); Option 22: reduced maximum deviat
43、ion from straightness (see 8.5.6); Option 23: specified end finishing (see 8.5.10); BS EN 10305-5:2016EN 10305-5:2016 (E) 8 Option 26: test unit with tubes from one cast only (see 10.1.1); Option 28: alternative marking (see Clause 12); Option 29: delivery without corrosion protection (see Clause 13
44、); Option 30: specified corrosion protection (see Clause 13); Option 38: unbundled tubes or specific method of packaging (see Clause 13). 6.3 Example of an order 12 000 m tube, size H = 50 mm B = 30 mm with a wall thickness of T = 3 mm in accordance with EN 10305-5, made of steel grade E235 in the n
45、ormalized condition with strip surface condition S2, pickled, to be delivered in standard lengths of 6 m with a 3.1 inspection certificate in accordance with EN 10204: 12 000 m tubes H 50 B 30 T 3 EN 10305-5 E235+N S2 standard length inspection certificate 3.1 7 Manufacturing process 7.1 Steelmaking
46、 process The steelmaking process is at the discretion of the manufacturer with the exception that the open hearth (Siemens-Martin) process shall not be employed unless in combination with a secondary steelmaking or ladle refining process. Steels shall be fully killed. NOTE This excludes the use of r
47、imming, balanced or semi-killed steel. 7.2 Tube manufacture and delivery conditions 7.2.1 The tubes shall be manufactured from strip by electric welding. The tubes shall not contain strip end welds. Possible surface conditions are: a) S1 (black); b) S2 (pickled); c) S3 (cold rolled); d) S4 (coated t
48、o an agreed condition). The surface conditions S1 and S3 apply for the strip. The surface condition S2 and S4 can apply for the strip or the tube; the purchaser should, where necessary, indicate the required condition at the time of enquiry and order. 7.2.2 Tubes made of the steel grades E155, E195,
49、 E235, E275 and E355 shall be supplied in one of the delivery conditions given in Table 1, except +CR2. Tubes made of the grades E190, E220, E260, E320, E370, E420, E460, E500, E550, E600 and E700 shall be supplied in the delivery condition +CR2. BS EN 10305-5:2016EN 10305-5:2016 (E) 9 7.2.3 All non-destructive testing (NDT) activities shall be carried out by qualified and competent level 1, 2 and/or 3 personnel authorized to operate by the employer. The qualification shall be in accordance with ISO 11484 or
