EN 13674-2:2006

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Railway applications - Track - Rail - Part 2: Switch and crossing rails used in conjunction with Vignole railway rails 46 kg/m and aboveApplications ferroviaires - Voie - Rails - Partie 2: Rails pour appareils de voie utilisés avec des rails Vignole de masse supérieure ou égale a 46 kg/mBahnanwendungen - Oberbau - Schienen - Teil 2: Schienen für Weichen und Kreuzungen, die in Verbindung mit Vignolschienen ab 46 kg/m verwendet werdenTa slovenski standard je istoveten z:EN 13674-2:2006SIST EN 13674-2:2006en45.080Rails and railway componentsICS:SLOVENSKI
STANDARDSIST EN 13674-2:200601-oktober-2006

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13674-2April 2006ICS 45.080 English VersionRailway applications - Track - Rail - Part 2: Switch and crossingrails used in conjunction with Vignole railway rails 46 kg/m andaboveApplications ferroviaires - Voie - Rails - Partie 2: Rails pourappareils de voie utilisés avec des rails Vignole de massesupérieure ou égale à 46 kg/mBahnanwendungen - Oberbau - Schienen - Teil 2: Schienenfür Weichen und Kreuzungen, die in Verbindung mitVignolschienen ab 46 kg/m verwendet werdenThis European Standard was approved by CEN on 16 January 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, 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 STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13674-2:2006: E

Rail profiles.38 Annex B (informative)
Comparison of steel designations referred to in this standard compared to those in EN 10027-1 and EN 10027-2.105 Annex ZA (informative)
Clauses of this European Standard addressing essential requirements or other provisions of EU Directives.106 Bibliography.107

held where it does not, thus ensuring continued safety as new manufacturers, products and technologies are introduced. The most commonly used standards of the world for the supply of railway rails have been reviewed during the preparation of this European Standard. However, modern rail production technology within the European Union has demanded a completely new look at the philosophy and content of this part of EN 13674. Whenever possible this part of EN 13674 is performance based, recognises the European Quality System standard EN ISO 9001 and requires manufacturers to offer the latest proven technology to consistently satisfy the demanding quality of the required product. Rail grading is based on hardness rather than tensile strength. The acceptance tests have been designed to control those characteristics of the rail steel and rail that are of relevance to the production of high quality rails and the demands of the railway. The steel grades covered by this part of EN 13674 reflect trends in railway usage and heat treated rails are included. The standard includes rail profiles for switch and crossing rails used in conjunction with Vignole rails having a linear mass 46 kg/m and above. To ensure the supply of high quality rails, some restrictions on production processes have been imposed. This European Standard supersedes other standards covered by the scope. In addition CEN required, where possible, a performance based standard, taking into account safety implications and at the same time addressing modern production technology. It was recognised that there would be few opportunities (and these would have to be for transparent safety considerations) for derogation from this European Standard to operate between the user and the manufacturer. This European Standard reflects this change in philosophy from the traditional content of rail standards. A review was undertaken of the most commonly used rail standards of the world. All relevant aspects important to both user and manufacturer were considered with the aim of ensuring that all of the content had specific usefulness and relevance. For example rail grading and much of this European Standard has been based on hardness rather than tensile strength. Whilst the two are directly related, hardness is very quick and cheap to carry out and provides more relevant guidance to the user particularly where properties vary in different parts of the profile. Since many rail manufacturers would not have previously carried out proving trials, the standard includes a prerequisite for all manufacturers to prove conformity against a set of qualifying test criteria at the time of tendering. The qualifying tests include all “normal” acceptance test results plus new ‘type-casting’ features such as fracture toughness, fatigue and residual stress (see EN 13674-1). To provide users with the necessary confidence, acceptance limits have been based on results from rail known to have performed well in demanding track installations.
One aspect of the standard, which is a complete break from tradition, is the inclusion of quality assurance and inspection clause as part of product integrity. In order that quality management systems are consistent across all manufacturers and that users have the best assurance for the consistency of required product quality on this safety critical component of the track, the rail standard requires that the manufacturer’s quality assurance systems are at least equivalent to the requirements of EN ISO 9001. The inclusion of this requirement also reduces the need to incorporate detailed method and calibration descriptions on items such as normal chemical composition determination and the need to define more extensive testing.

NOTE In the case of sequence casting the blooms belonging to the mixing zone should be clearly defined 3.2
sequence any number of heats, of the same steel grade, which undergo continuous casting in tundishes. Tundishes may be used in parallel if the caster has many strands

R200 200 – 240 Non-alloy (C-Mn) No branding lines
R220 220 – 260 Non-alloy (C-Mn) ______ ___ R260 260 – 300 Non-alloy (C-Mn) ______ ______ R260Mn 260 – 300 Non-alloy (C-Mn) ______ ___ ______ R260Cr 260 – 300 Alloy (0,5 % Cr) ______ ______ ______ R320Cr 320 – 360 Alloy (1 % Cr) ______ ___ R350HT 350 – 390b Non-alloy (C-Mn) heat treated ______
______ ___ ______
______ R350LHT 350 – 390b Low allow heat treated ___ a See Table 3 for chemical composition/mechanical properties. b See Table 5 for hardness requirements. 6 Dimensions, static properties, linear mass and tolerances Rail profiles, dimensions, static properties and linear masses shall be in accordance with Annex A. The tolerances of certain dimensions shall be given in Table 6. All other quantities are informative only. NOTE Linear masses have been calculated based on the density of steel of 7,85 g/cm3.

60 E1A5 (60 E1A5 profile rail rolled 1999, non-alloy rail steel grade R260) ROLLING MILL __ ______
______ 99
60 E1T2 (60 E1T2 profile rail rolled 1999, non-alloy heat-treated rail steel grade R350HT). 7.4.2 Hot stamping In addition to the branding requirements of 7.4.1 each rail shall be identified by a numerical and/or alphabetical code system hot stamped on the non-branded side of the rail web by machine, except 50E6A2, and each rail shall be hot stamped at least once every 5 m. If for asymmetric rails hot stamping every 5 m is not practical, the identification of the rail shall be secured by hot stamping or rotary burr near one end of the rail. NOTE Subsequent cutting could result in more than one rail length having the same identity. The Figures and letters used shall be clearly legible and shall be 16 mm high. The stamped characters shall have a flat or radius face (1 mm to 1,5 mm wide) with bevels on each side. The letters and numbers shall be on a 10° angle from vertical and shall have rounded corners. The stamping shall be between 0,5 mm and 1,5 mm in depth along the centre of the web. The design shall be as shown in Figure 1. The identification system employed shall be such as to enable the hot stamped marking to be collated with: a) number of the heat from which the rail has been rolled; b) number of the strand and position of bloom within the strand; c) position of the rail in the bloom (A, B . Y). In the event of identification marks having been removed, omitted or requiring alteration, re-identification of such marks shall be made by rotary burr. 7.4.3 Cold stamping Cold stamping shall only be used on the cut face of the rail within the central portion of the head, at the request of the purchaser. 7.4.4 Other identification The steel grade may additionally be identified using paint. The purchaser shall specify the colour and position of the paint application. 8 Qualification of the manufacturer The manufacturer has to qualify under section 8 of EN 13674-1:2003 and shall then be qualified for all profiles of this part of EN 13674, provided the qualification was for the profile 60E1, grade R260. NOTE The qualifying criteria specified in EN 13674-1:2003 may not be achieved using the rail grades specified in this part of the standard.

sub-clause R200, R220, R260, R260Mn, R260Cr, R320Cr R350HT, R350LHT Chemical composition 9.1.2 One per heat One per heat Hydrogen 9.1.2.2 One per heat (2 tests from first heat in sequence) One per heat (2 from first heat in sequence) Total oxygen 9.1.2.3 One per sequence a One per sequence a Microstructure 9.1.3 Not required for grades R200, R220 and R260 One per 50 tonnes of re-heated a,c
One per 1000 tonnes or part thereof for grades R260Mn, R260Cr and R320Cr a,b One per 100 tonnes of mill heat treated a,c Decarburisation 9.1.4 One per 1 000 tonnes or part thereof a,b One per 500 tonnes of re-heated and mill heat treated a,c Oxide cleanness 9.1.5 One per sequence a,b One per sequence a,b or c Sulfur print 9.1.6 One per 500 tonnes or part thereof a,b One per 500 tonnes or part thereof a,b or c Hardness 9.1.7 One per heat a,b One per 50 tonnes of re-heated a,c
One per 100 tonnes of mill heat treated a,c Tensile 9.1.8 One calculation per heat/one test per 2000 tonnes a,b One per 1 000 tonnes (test) a,c a Samples shall be taken at random but only rails from blooms outside the mixing zone between heats when continuously cast in sequence. b Samples shall be cut after rolling. c Samples shall be cut from heat treated rails.

Hardness of the running surface, Centre linec,
Max. Min. Min.
Steel name sample
C Si Mn P max. S max Cr Al max. V max. N max. Oa Hb MPa % HBW R200 Liquid 0,40/0,60 0,15/0,58 0,70/1,20 0,035 0,035
0,15 max 0,004 0,030 0,009 20 3,0
Solid 0,38/0,62 0,13/0,60 0,65/1,25 0,040 0,040 0,15 max 0,004 0,030 0,010 20 3,0 680 14 200/240 R220 Liquid 0,50/0,60 0,20/0,60 1,00/1,25 0,025 0,025 0,15 max 0,004 0,030 0,008 20 3,0
Solid 0,50/0,60 0,20/0,60 1,00/1,25 0,025 0,025 0,15 max 0,004 0,030 0,008 20 3,0 770 12 220/260 R260 Liquid 0,62/0,80 0,15/0,58 0,70/1,20 0,025 0,025 0,15 max 0,004 0,030 0,009 20 2,5
Solid 0,60/0,82 0,13/0,60 0,65/1,25 0,030 0,030 0,15 max 0,004 0,030 0,010 20 2,5 880 10 260/300 R260Mn Liquid 0,55/0,75 0,15/0,60 1,30/1,70 0,025 0,025 0,15 max 0,004 0,030 0,009 20 2,5
Solid 0,53/0,77 0,13/0,62 1,25/1,75 0,030 0,030 0,15 max 0,004 0,030 0,010 20 2,5 880 10 260/300 R260Cr Liquid 0,40/0,60 0,20/0,45 1,20/1,60 0,025 0,025 0,40/0,65 0,004 0,060 0,009 20 2,5
Solid 0,40/0,60 0,20/0,45 1,20/1,60 0,030 0,030 0,40/0,65 0,004 0,060 0,010 20 2,5 880 10 260/300 R320Cr Liquid 0,60/0,80 0,50/1,10 0,80/1,20 0,020 0,025 0,80/1,20 0,004 0,18
0,009 20 2,5
Solid 0,58/0,82 0,48/1,12 0,75/1,25 0,025 0,030 0,75/1,25 0,004 0,20
0,010 20 2,5 1080 9 320/360 R350HT Liquid 0,72/0,80 0,15/0,58 0,70/1,20 0,020 0,025 0,15 max 0,004 0,030 0,009 20 2,5
Solid 0,70/0,82 0,13/0,60 0,65/1,25 0,025 0,030 0,15 max 0,004 0,030 0,010 20 2,5 1175 9 350/390 R350LHT Liquid 0,72/0,80 0,15/0,58 0,70/1,20 0,020 0,025 0,30 max 0,004 0,030 0,009 20 2,5
Solid 0,70/0,82 0,13/0,60 0,65/1,25 0,025 0,030 0,30 max 0,004 0,030 0,010 20 2,5 1175 9 350/390 a See 9.1.2.3 b See 9.1.2.2 c See Figure 10

Mo Ni Cu Sn Sb Ti Nb Cu & 10 Sn Sum of the elements R200, R220, R260, R260Mn 0,02 0,10 0,15 0,030 0,020 0,025 0,01 0,35 Cr + Mo + Ni + Cu + V : 0,35 R260Cr, R320Cr 0,02 0,10 0,15 0,030 0,020 0,025 0,01 0,35 Ni + Cu : 0,16 R350HT 0,02 0,10 0,15 0,030 0,020 0,025 0,04 0,35 Cr + Mo + Ni + Cu + V : 0,25 R350LHT 0,02 0,10 0,15 0,030 0,020 0,025 0,04 0,35 Mo + Ni + Cu + V : 0,20

Steel grades R200 and R220 All other steel grades Group 1 ≤ 3,0 ≤ 2,5 Group 2 > 3,0 > 2,5 If the hydrogen contents of the first samples of a first heat or the heat sample of a second or further heat do not comply with the requirements of Table 3a) then the blooms made before those samples are taken shall be slowly cooled or isothermally treated. Also all blooms made before the hydrogen content eventually complies with the requirements in Table 3a) must be slowly cooled or isothermally treated. When testing of rails is required rail samples shall be taken at the hot saw at a frequency of one per heat at random. However on the first heat in a sequence, the rail sample shall be from the last part of a first bloom teemed on any strand. Hydrogen determination shall be carried out on samples taken from the centre of the rail head. If any test result after the corrective treatment of group 2 rails fails to meet the requirements stated in Table 3a) the heat shall be rejected. 9.1.2.3 Determination of total oxygen content 9.1.2.3.1 General Total oxygen content shall be determined in the liquid steel, following solidification of the sample, or from the solid rail head, in the positions shown in Figure 2, and at the frequency shown in Table 2. The results obtained shall comply with the values given in Table 3a). 9.1.2.3.2 Preparation of the sample The thickness of the transverse rail slice shall be 4 mm. Samples shall be prepared in accordance with EN 10276-1. 9.1.2.3.3 Measurement The measurement of total oxygen shall be made using an automatic machine. 9.1.3 Microstructure 9.1.3.1 General Microstructures shall be determined at a magnification of x 500. The microstructure shall be verified for R260Mn, R260Cr, R320Cr and heat treated rails at the frequency given in Table 2. The testing position in the rail head shall be as shown in Figure 3.

Hardness (HBW) RS a 200-240 220-260 260-300 320-360 350-390 b 350-390 b 1 340 min 340 min 2 331 min 331 min 3 321 min 321 min 4
340 min a RS = Point on the centre line running surface. b If the hardness exceeds 390 HBW, the rail is acceptable provided the microstructure is confirmed to be pearlitic, and the hardness does not exceed 405 HBW.

Reference points Gauge Figure number (see EN 13674-1:2003, Figure E.1) Tolerances mm (see EN 13674-1:2003, Annex E) Height of rail
< 165 mm ≥ 165 mm *H ± 0,7 ± 0,8 E.3 Crown profile
*C ± 0,6 E.4 Width of rail head
*WH ± 0,5 E.5 Width of rail head for full web rails (profile figures A.25 to A.30)
*WH ± 0,7 E.5 Rail asymmetry a
*As ± 1,2 E.6, E.7 Inclination of fishing surfaces (on the basis of 14 mm parallel to the inclined theoretical fishing surfaces) b
*IF ± 0,35 E.8 Height of fishing < 165 mm ≥ 165 mm *HF ± 0,5 ± 0,6 E.8 Web thickness
*WT ± 0,7 E.9 Width of rail foot
*WF ± 1,0 E.10 Foot toe thicknessc
*TF + 0,75 - 0,5 E.11 Foot base concavity
0,3 max
a Asymmetry shall only refer to symmetrical rails. b The maximum fishing tolerance on the head and on the foot is ± 0,35 mm but the total tolerance allowed is also ± 0,35 mm. This only applies to symmetrical thick web rails (see Figures A.18 to A.24). C Foot toe thickness shall not refer to full web rails 9.2.2 Straightness, surface flatness and twist Flatness testing of the body shall be performed automatically. Tolerances for straightness, surface flatness and twist shall meet the requirements given in Table 7. Rejected rails may be subject to only one roller re-straightening. In cases of dispute on the results of the automatic technique, rail flatness shall be verified using a straight edge as shown in Table 7. When measuring side sweep the rail shall be stood vertically on a suitable support that allows the rail to be unrestrained. If a measurement technique other than that given above is used, only the above shall be used in the case of dispute.

Key 1 V and H. Location of flatness measurements 2 The position of H is nominally 5-10 mm below the gauge corner on the side of the head Key 1 Overlap 2 Body 3 Whole rail 4 End “E”
d L
≤ 0,4 mm 3 m c and Vertical flatness
V ≤ 0,3 mm 1 m c BODY a Horizontal flatness
H ≤ 0,6 mm 1,5 m c bEnd “E” 1,5 m ≤ 0,5 mm 1,5 m and ENDS a Vertical straightness e ≤ 0,2 mm bif e > 0 F ≥ 0,6m

Horizontal straightness ≤ 0,7 mm 1,5 m bOVERLAP a Length of overlap 1,5 m
Vertical flatness
V ≤ 0,4 mm 1,5 m c
Horizontal flatness
H ≤ 0,6 mm 1,5 m c b
d L Upsweep and down sweep
10 mme Side sweep
Curve radius R > 1 500 m WHOLE RAIL
Twist
See Figures 9 and 10 b a Automatic measurement equipment shall measure as much of the rail as possible but, at least the body. If the whole rail satisfies the body specifications, then measurement of end and overlap is not mandatory. b Automatic measurement techniques are complex and are therefore difficult to define but the finished rail flatness shall be capable of being verified by straight edge as shown in the above drawings. c 95 % of delivered rails shall be within limits specified, with 5 % of rails allowed outside the tolerances by 0,1 mm. d Reference L sliding over end E. e The ends of the rails shall not be up more than 10 mm when the rail is on its foot or on its head when standing on an inspection bed.
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