EN 10305-5:2010

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Präzisionsstahlrohre - Technische Lieferbedingungen - Teil 5: Geschweißte und maßumgeformte Rohre mit quadratischem oder rechteckigem QuerschnittTubes de précision en acier - Conditions techniques de livraison - Partie 5: Tubes soudés et calibrés de section carrée ou rectangulaireSteel tubes for precision applications - Technical delivery conditions - Part 5: Welded and cold sized square and rectangular tubes77.140.75Jeklene cevi in cevni profili za posebne nameneSteel pipes and tubes for specific useICS:Ta slovenski standard je istoveten z:EN 10305-5:2010SIST EN 10305-5:2010en01-marec-2010SIST EN 10305-5:2010SLOVENSKI
STANDARDSIST EN 10305-5:2003/AC:2007SIST EN 10305-5:20031DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 10305-5
January 2010 ICS 77.140.75 Supersedes EN 10305-5:2003English Version
Steel tubes for precision applications - Technical delivery conditions - Part 5: Welded cold sized square and rectangular tubes
Tubes de précision en acier - Conditions techniques de livraison - Partie 5 : Tubes soudés calibrés avec section carrée et rectangulaire
Präzisionsstahlrohre - Technische Lieferbedingungen -Teil 5: Geschweißte maßumgeformte Rohre mit quadratischem und rechteckigem Querschnitt This European Standard was approved by CEN on 22 November 2009.
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 standards may be obtained on application to the CEN 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 and notified to the CEN 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10305-5:2010: ESIST EN 10305-5:2010

Technical delivery conditions, consists 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 hydraulic 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 10305-5:2010

EN 10256, Non-destructive testing of steel tubes — Qualification and competence of level 1 and 2 non-destructive testing personnel 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 products — Location and preparation of samples and test pieces for mechanical testing (ISO 377:1997) EN ISO 2566-1, Steel — Conversion of elongation values — Part 1: Carbon and low alloy steels
(ISO 2566-1:1984) EN ISO 4287, Geometrical product specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters (ISO 4287:1997)
1) Under revision to become EN ISO 10893-2, Non-destructive 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/DIS 10893-2:2009). 2) Under revision to become EN ISO 10893-11, Non-destructive testing of steel tubes
Part 11: Automated ultrasonic testing of weld seam of welded steel tubes for the detection of longitudinal and/or transversal imperfections (ISO/DIS 10893-11:2009). SIST EN 10305-5:2010

(ISO 6892-1:2009) 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 apply. 3.1 employer organization for which a person works on a regular basis NOTE The employer can be either the tube manufacturer or a third party organization providing non-destructive testing (NDT) services. 3.2 manufacturer party to produce and to deliver tubes in accordance with this document NOTE Where tubes are delivered by a supplier, 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 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 this document NOTE 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, 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. 5.2 Designation
For the tubes covered by this document the steel designation consists of the number of this document (EN 10305-5) plus either: SIST EN 10305-5:2010

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 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 including the surface condition (see 7.2.1 and 7.2.2). 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 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). 1) specification of a steel grade not specified in this document (see 8.2); 2) suitability for hot-dip galvanizing (see 8.2); 3) surface condition for further processing (see 8.4.1); 4) position of the weld line (see 8.4.2); 5) removal of internal weld bead (see 8.4.3); 6) measurement of surface roughness (see 8.4.5); 7) specific surface roughness (see 8.4.5); 8) non-destructive testing of the weld seam for the detection of longitudinal imperfections (see 8.4.8); 9) reduced wall thickness tolerance (see 8.5.3); 10) unilateral wall thickness tolerance (see 8.5.3); 11) exact length (see 8.5.5); 12) another specified length and/or tolerance (see 8.5.5); 13) reduced maximum deviation from straightness (see 8.5.6); 14) specified end finishing (see 8.5.10); 15) inspection certificate 3.1 (see 9.1 and 9.2.1); SIST EN 10305-5:2010

This excludes the use of rimming, 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 except for tubes to be supplied coiled for which the delivery conditions +A or +N can be specified.
Possible surface conditions are: a) S1 (black); b) S2 (pickled); c) S3 (cold rolled); d) S4 (coated to an agreed condition). NOTE 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, 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 and E420 shall be supplied in the delivery condition +CR2. 7.2.3 All non-destructive testing (NDT) activities shall be carried out by qualified and competent level 1, 2 and/or 3 personnel authorised to operate by the employer. The qualification shall be in accordance with EN 10256 or, at least, an equivalent to it. SIST EN 10305-5:2010

Description Welded and cold sized +CR1 Normally not heat treated, but suitable for final annealing. b +CR2
Not intended for heat treatment after the welding and sizing process. c Soft annealed +A After welding and sizing the tubes are annealed in a controlled atmosphere. Normalized +N After welding and sizing the tubes are normalized in a controlled atmosphere.
a In accordance with EN 10027-1. b After annealing or normalizing, the resulting mechanical properties meet the requirements specified in Table 4 for the delivery condition +A or +N, respectively are normally obtained. c If further heat treatment is applied, the resulting mechanical properties may be outside the specified requirements. 8 Requirements 8.1 General The tubes, when supplied in a delivery condition indicated in Table 1 and inspected in accordance with Clauses 9, 10 and 11, shall comply with the requirements of this document. In addition the general technical delivery requirements specified in EN 10021 apply. 8.2 Chemical composition The cast analysis reported by the steel producer shall apply and comply with the requirements of Table 2. A steel grade not specified in this document may be specified (see option 1).
Option 1: A steel grade not specified in this document with a maximum total content of alloying elements of 5 % and agreed chemical composition, mechanical properties and delivery condition, is specified. NOTE When subsequently welding tubes produced according to this document, account should be taken of the fact that the behaviour of the steel during and after welding is dependent not only on the steel composition, but also on the conditions of preparing for and carrying out the welding. Option 2: The composition of the specified steel grade shall be such that it is suitable for hot-dip galvanizing (see e.g. EN ISO 1461
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