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1、BRITISH STANDARD BS EN 10025-4:2004 Hot rolled products of structural steels Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels The European Standard EN 10025-4:2004 has the status of a British Standard ICS 77.140.10; 77.140.50 - - - - - - - - BS
2、EN 10025-4:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 17 November 2004 BSI 17 November 2004 ISBN 0 580 44781 2 National foreword This British Standard is the official English language version of EN 10025-4:2004. BS EN 10025-4:2004 t
3、ogether with BS EN 10025-1:2004 and BS EN 10025-3:2004 supersedes BS EN 10113-1:1993, and BS EN 10025-4:2004 together with BS EN 10025-1:2004 supersedes BS EN 10113-3:1993, which are withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/12, Structural steels, wh
4、ich has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the sec
5、tion entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.
6、Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor re
7、lated international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 24, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the
8、document was last issued. Amendments issued since publication Amd. No. DateComments - - - - - - - - EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10025-4 November 2004 ICS 77.140.10; 77.140.50 Supersedes EN 10113-1:1993, EN 10113-3:1993 English version Hot rolled products of structural steels
9、 - Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels Produits lamins chaud en aciers de construction - Partie 4: Conditions techniques de livraison pour les aciers de construction soudables grains fins obtenus par laminage thermomcanique Warmgewa
10、lzte Erzeugnisse aus Bausthlen - Teil 4: Technische Lieferbedingungen fr thermomechanisch gewalzte schweigeeignete Feinkornbausthle This European Standard was approved by CEN on 1 April 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
11、 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 Central Secretariat or to any CEN member. This European Standard exists in three official
12、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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgi
13、um, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COM
14、IT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10025-4:2004: E - - - - - - - - EN 10025-4:2004 (E) 2 Contents P
15、age Foreword4 1 Scope 5 2 Normative references5 2.1 General standards .5 2.2 Standards on dimensions and tolerances (see 7.7.1)6 2.3 Standards on testing.6 3 Terms and definitions .6 4 Classification and designation.7 4.1 Classification7 4.1.1 Main quality classes7 4.1.2 Grades and qualities .7 4.2
16、Designation 7 5 Information to be supplied by the purchaser .8 5.1 Mandatory information8 5.2 Options .8 6 Manufacturing process .8 6.1 Steel making process8 6.2 Grain structure.8 6.3 Delivery conditions8 7 Requirements.9 7.1 General9 7.2 Chemical composition 9 7.3 Mechanical properties.9 7.3.1 Gene
17、ral9 7.3.2 Impact properties.9 7.3.3 Improved deformation properties perpendicular to the surface 10 7.4 Technological properties10 7.4.1 Weldability10 7.4.2 Formability10 7.4.3 Suitability for hot-dip zinc-coating.11 7.5 Surface properties.11 7.5.1 Strip.11 7.5.2 Plates and wide flats .11 7.5.3 Sec
18、tions12 7.5.4 Bars and rods.12 7.6 Internal soundness12 7.7 Dimensions, tolerances on dimensions and shape, mass12 8 Inspection.12 8.1 General12 8.2 Type of inspection and inspection document 12 8.3 Frequency of testing .13 8.3.1 Sampling.13 8.3.2 Test units13 8.3.3 Verification of chemical composit
19、ion13 8.4 Tests to be carried out for specific inspection.13 9 Preparation of samples and test pieces13 9.1 Selection and preparation of samples for chemical analysis.13 9.2 Location and orientation of samples and test pieces for mechanical tests14 9.2.1 General14 - - - - - - - - EN 10025-4:2004 (E)
20、 3 9.2.2 Preparation of samples.14 9.2.3 Preparation of test pieces.14 9.2.4 Impact test pieces14 9.3 Identification of samples and test pieces .14 10 Test methods .14 10.1 Chemical analysis14 10.2 Mechanical tests14 10.3 Ultrasonic testing 14 10.4 Retests14 11 Marking, labelling, packaging 15 12 Co
21、mplaints .15 13 Options (see 5.2)15 Annex A (informative) List of corresponding former designations 22 Annex B (informative) List of national standards which correspond with EURONORMS referenced 23 Bibliography24 - - - - - - - - EN 10025-4:2004 (E) 4 Foreword This document (EN 10025-4:2004) has been
22、 prepared by Technical Committee ECISS/TC 10 “Structural steels - Grades and qualities”, the secretariat of which is held by NEN. 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 May 2005, and conf
23、licting national standards shall be withdrawn at the latest by May 2005. This document supersedes together with EN 10025-1:2004, EN 10113-1:1993, Hot-rolled products in weldable fine grain structural steels - Part 1: General delivery conditions and EN 10113-3:1993 Hot-rolled products in weldable fin
24、e grain structural steels - Part 3: Delivery conditions for thermomechanical rolled steels. The titles of the other parts of this document are: Part 1: General technical delivery conditions; Part 2: Technical delivery conditions for non-alloy structural steels; Part 3: Technical delivery conditions
25、for normalized/normalized rolled weldable fine grain structural steels; Part 5: Technical delivery conditions for structural steels with improved atmospheric corrosion resistance; Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tem
26、pered condition. This document has been prepared under Mandate M/120 given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of the EU Construction Products Directive (89/106/EEC). For relationship with the EU Construction Products Directi
27、ve, see informative Annex ZA of EN 10025-1:2004. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hun
28、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. - - - - - - - - EN 10025-4:2004 (E) 5 1 Scope Part 4 of this document, in addition to Part 1, specifies requirements for flat and
29、 long products of hot rolled weldable fine grain structural steels in the thermomechanical rolled condition in the grades and qualities given in Tables 2 to 4 (chemical composition) and Tables 5 to 7 (mechanical properties) in thickness 120 mm for flat products and in thickness 150 mm for long produ
30、cts. In addition to EN 10025-1 the steels specified in this document are especially intended for use in heavily loaded parts of welded structures such as, bridges, flood gates, storage tanks, water supply tanks, etc., for service at ambient and low temperatures. 2 Normative references The following
31、referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. 2.1 General standards EN 1011-2, Welding Recommendations for we
32、lding of metallic materials - Part 2: Arc welding of ferritic steels. EN 10020, Definition and classification of grades of steel. EN 10025-1:2004, Hot rolled products of structural steels - Part 1: General technical delivery conditions. EN 10027-1, Designation systems for steels - Part 1: Steel name
33、s, principal symbols. EN 10027-2, Designation systems for steels - Part 2: Numerical system. EN 10163-1, Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections Part 1: General requirements. EN 10163-2, Delivery requirements for surface condition of hot-rolled
34、 steel plates, wide flats and sections Part 2: Plates and wide flats. EN 10163-3, Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections Part 3: Sections. EN 10164, Steel products with improved deformation properties perpendicular to the surface of the produc
35、t - Technical delivery conditions. EN 10221, Surface quality classes for hot-rolled bars and rods - Technical delivery conditions. CR 10260, Designation systems for steels - Additional symbols. - - - - - - - - EN 10025-4:2004 (E) 6 2.2 Standards on dimensions and tolerances (see 7.7.1) EN 10017, Non
36、-alloy steel rod for drawing and/or cold rolling Dimensions and tolerances. EN 10024, Hot rolled taper flange I sections - Tolerances on shape and dimensions. EN 10029, Hot rolled steel plates 3 mm thick or above - Tolerances on dimensions, shape and mass. EN 10034, Structural steel I and H sections
37、 - Tolerances on shape and dimensions. EN 10048, Hot rolled narrow steel strip - Tolerances on dimensions and shape. EN 10051, Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels - Tolerances on dimensions and shape. EN 10055, Hot-rolled steel equal flange tees with
38、 radiused root and toes - Dimensions and tolerances on shape and dimensions. EN 10056-1, Structural steel equal and unequal leg angles - Part 1: Dimensions. EN 10056-2, Structural steel equal and unequal leg angles - Part 2: Tolerances on shape and dimensions. EN 10058, Hot rolled flat steel bars fo
39、r general purposes - Dimensions and tolerances on shape and dimensions. EN 10059, Hot rolled square steel bars for general purposes - Dimensions and tolerances on shape and dimensions. EN 10060, Hot rolled round steel bars for general purposes - Dimensions and tolerances on shape and dimensions. EN
40、10061, Hot rolled hexagon steel bars for general purposes - Dimensions and tolerances on shape and dimensions. EN 10067, Hot rolled bulb flats - Dimensions and tolerances on shape, dimensions and mass. EN 10162, Cold rolled steel sections - Technical delivery conditions - Dimensional and cross-secti
41、onal tolerances. EN 10279, Hot rolled steel channels - Tolerances on shape and dimensions. 2.3 Standards on testing EN 10160, Ultrasonic testing of steel flat product of thickness equal to or greater than 6 mm (reflection method). EN 10306, Iron and steel - Ultrasonic testing of H beams with paralle
42、l flanges and IPE beams. EN 10308, Non-destructive testing - Ultrasonic testing of steel bars. EN ISO 643, Steels Micrographic determination of the apparent grain size (ISO 643:2003). 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 10025-1:2004 and the following apply. - - - - - - - -