kSIST FprEN 10248-1:2022
(Main)Hot-rolled steel sheet piles - Part 1: Technical delivery conditions
Hot-rolled steel sheet piles - Part 1: Technical delivery conditions
This document specifies the requirements for hot rolled steel sheet piles in respect of its chemical composition, mechanical properties and conditions of delivery. The products specified are for general, structural and civil engineering works. The types of steel sheet piles covered by this standard are: Z-shaped, U-shaped, straight web, H-shaped with their interlocking bars
Warmgewalzte Spundbohlen aus Stahl - Teil 1: Technische Lieferbedingungen
Dieses Dokument legt Anforderungen an warmgewalzte Spundbohlen hinsichtlich ihrer chemischen Zusammensetzung, mechanischen Eigenschaften und Lieferbedingungen fest.
Die angegebenen Erzeugnisse eignen sich für allgemeine Zwecke, Stahlbau und Tiefbauarbeiten. Diese Norm behandelt folgende Formen von Stahlspundbohlen: Z-Profil, U-Profil, Flachprofil, H-Profil mit ihren Verbindungsstäben. Die Formen der Schlösser und die Festlegungen bezüglich der Grenzabmaße und Formtoleranzen sind in Teil 2 dieses Dokumentes enthalten.
Palplanches en acier laminées à chaud - Partie 1 - Conditions techniques de livraison
Le présent document spécifie les prescriptions relatives à la composition chimique, aux caractéristiques mécaniques et aux conditions de livraison des palplanches en acier laminées à chaud.
Les produits désignés sont destinés à être utilisés dans la réalisation d'ouvrages divers, d'ouvrages de génie civil et d'éléments de construction. Les types de palplanches en acier couverts dans le présent document sont : les palplanches en Z, en U, plates, en H avec leurs serrures. Les types de serrures et les prescriptions relatives aux tolérances sur forme et dimensions sont spécifiés dans la Partie 2 du présent document.
Vroče valjana jeklena obešala - 1. del: Tehnični dobavni pogoji
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 10248-1:2022
01-april-2022
Vroče valjana jeklena obešala - 1. del: Tehnični dobavni pogoji
Hot-rolled steel sheet piles - Part 1: Technical delivery conditions
Warmgewalzte Spundbohlen aus Stahl - Teil 1: Technische Lieferbedingungen
Palplanches en acier laminées à chaud - Partie 1 - Conditions techniques de livraison
Ta slovenski standard je istoveten z: prEN 10248-1ICS:
77.140.45 Nelegirana jekla Non-alloyed steels
77.140.70 Jekleni profili Steel profiles
oSIST prEN 10248-1:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 10248-1:2022
DRAFT
EUROPEAN STANDARD
prEN 10248-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2022
ICS 77.140.70 Will supersede EN 10248-1:1995
English Version
Hot-rolled steel sheet piles - Part 1: Technical delivery
conditions
Palplanches en acier laminées à chaud - Partie 1 - Warmgewalzte Spundbohlen aus Stahlen - Teil 1:
Conditions techniques de livraison Technische LieferbedingungenThis draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 459/SC 3.If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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-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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 10248-1:2022 E
worldwide for CEN national Members.---------------------- Page: 3 ----------------------
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Contents Page
European foreword ............................................................................................................................................ 4
1 Scope .......................................................................................................................................................... 5
2 Normative references .......................................................................................................................... 5
3 Terms and definitions ......................................................................................................................... 6
4 Classification and designation ......................................................................................................... 6
4.1 Classification........................................................................................................................................... 6
4.2 Designation ............................................................................................................................................. 6
5 Information to be supplied by the purchaser ............................................................................. 6
5.1 Mandatory information ...................................................................................................................... 6
5.2 Options ...................................................................................................................................................... 7
6 Manufacturing process ....................................................................................................................... 7
6.1 Steel making process ........................................................................................................................... 7
6.2 Delivery conditions .............................................................................................................................. 7
7 Requirements ......................................................................................................................................... 7
7.1 General...................................................................................................................................................... 7
7.2 Chemical composition ......................................................................................................................... 7
7.3 Mechanical properties ........................................................................................................................ 8
7.4 Technological properties ................................................................................................................... 8
7.5 Surface properties ................................................................................................................................ 9
7.6 Internal soundness ............................................................................................................................... 9
7.7 Dimensions, tolerances on dimensions and shape, mass ....................................................... 9
7.8 Load bearing capacity ......................................................................................................................... 9
8 Inspection .............................................................................................................................................. 10
8.1 Type of inspection and inspection document ........................................................................... 10
8.2 Content of inspection document.................................................................................................... 10
8.3 Tests to be carried out for specific inspection ......................................................................... 11
9 Frequency of testing and preparation of samples and test pieces .................................... 11
9.1 Test unit ................................................................................................................................................. 11
9.2 Frequency of testing .......................................................................................................................... 11
9.3 Preparation of samples and test pieces ...................................................................................... 12
9.4 Identification of samples and test pieces ................................................................................... 12
10 Test methods ........................................................................................................................................ 13
10.1 Chemical analysis ................................................................................................................................ 13
10.2 Mechanical tests .................................................................................................................................. 13
10.3 Retests ..................................................................................................................................................... 13
10.4 Load bearing capacity ....................................................................................................................... 13
11 Marking, labelling, packaging ........................................................................................................ 14
12 Complaints ............................................................................................................................................. 15
13 Options .................................................................................................................................................... 15
Annex A (normative) Location of samples and test pieces ............................................................... 19
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Annex B (normative) Calculation of geometrical cross sectional properties ............................ 20
Annex C (normative) Interlock resistance of straight web sheet piles ........................................ 21
Annex D (normative) Determination of the resistance of crimped points for U-shaped sheet
piles ......................................................................................................................................................... 23
Annex E (normative) Interlock performance criteria ........................................................................ 27
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European foreword
This document (prEN 10248-1:2022) has been prepared by Technical Committee CEN/TC 459 "ECISS –
European Committee for Iron and Steel Standardization" , the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.This document will supersede EN 10248-1:1995.
In comparison with the previous edition, the following technical modifications have been made:
a) Restructuring of the standard;b) Updating of the normative references;
c) Introduction of grades S460 and S500 in quality GP;
d) Modification concerning the maximum values for the chemical composition;
e) Addition of 7.4.3 dedicated for hot-dip zinc-coating and 7.8 for load bearing capacity;
f) New wording for Clauses 8, 9 and 10 for inspection and testing;g) Addition of Clause 12 on the complaints;
h) Removal of the former Annexes B and C on Euronorms and equivalent designations;
i) Addition of the Annexes B, C, D and E.EN 10248 consists of the following parts, under the general title Hot rolled steel sheet piles:
— Part 1: Technical delivery conditions— Part 2: Tolerances on shape and dimensions
A further standard prEN 10375 with the title Hot-rolled steel sheet piles – General (Characteristics,
evaluation of conformity and marking) is in preparation and can be used together with EN 10248 after
publication.Through its sub-committee SC 3 “Structural steels other than reinforcements” (secretariat: DIN).
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1 Scope
This document specifies the requirements for hot rolled steel sheet piles in respect of its chemical
composition, mechanical properties and conditions of delivery.The products specified are for general, structural and civil engineering works. The types of steel sheet
piles covered by this document are: Z-shaped, U-shaped, straight web, H-shaped with their interlocking
bars. The types of interlocks and the requirements in respect of tolerances on shape and dimensions are
specified in Part 2 of this document.2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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.
EN 1011-2, Welding - Recommendations for welding of metallic materials - Part 2: Arc welding of ferritic
steelsEN 1990:2002, Eurocode: Basis of structural design
EN 1993-5:2007, Eurocode 3 - Design of steel structures - Part 5: Piling
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: Numerical system
EN 10079:2007, Definition of steel products
EN 10168, Steel products - Inspection documents - List of information and description
EN 10204, Metallic products - Types of inspection documentsEN 10248-2:1995, Hot rolled sheet piling of non alloy steels - Part 2: Tolerances on shape and dimensions
CEN/TR 10261, Iron and steel - European standards for the determination of chemical composition
EN ISO 148-1, Metallic materials - Charpy pendulum impact test - Part 1: Test method (ISO 148-1)
EN ISO 377, Steel and steel products - Location and preparation of samples and test pieces for mechanical
testing (ISO 377)EN ISO 1461, Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test
methods (ISO 1461)EN ISO 6892-1, Metallic materials - Tensile testing - Part 1: Method of test at room temperature (ISO 6892-
EN ISO 14284, Steel and iron - Sampling and preparation of samples for the determination of chemical
composition (ISO 14284)EN ISO 14713-2:2020, Zinc coatings - Guidelines and recommendations for the protection against corrosion
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3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 10020:2000, EN 10021:2006
and EN 10079:2007 apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/— ISO Online browsing platform: available at https://www.iso.org/obp
4 Classification and designation
4.1 Classification
4.1.1 Main quality classes
The steel grades specified in this document shall be classified as non-alloy quality steels according to
EN 10020.4.1.2 Grades and qualities
This document specifies eight steel grades S240, S270, S320, S355, S390, S430, S460 and S500 on the
basis of the minimum specified yield strength at room temperature.The eight steel grades are supplied in quality GP.
4.2 Designation
4.2.1 For the steel grades covered by this document in Table 1 the steel names shall be allocated in
accordance with EN 10027-1; the steel numbers shall be allocated in accordance with EN 10027-2.
4.2.2 The designation of the steel grade shall consist of:— the number of this document (EN 10248-1);
— the steel name or the steel number.
EXAMPLE Steel sheet piles in accordance with EN 10248-1 made of structural steels (S) with a specified
minimum yield strength at room temperature of 430 MPa, followed by GP for steel sheet piles:
EN 10248-1 – S430GPEN 10248-1 – 1.0523
5 Information to be supplied by the purchaser
5.1 Mandatory information
The following information shall be supplied by the purchaser at the time of the enquiry and order:
a) quantity to be delivered;b) product name (including all necessary information);
c) the name of the standard for tolerances on dimensions and shape (see 7.7);
d) length and delivery form;
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e) steel designation (see 4.2.2);
f) additional requirements of inspection and testing and all required options (see 5.2 and Clause 13);
g) type of inspection document according to EN 10204 (see 8.1).5.2 Options
A number of options are specified in Clause 13. In the event that the purchaser does not indicate his wish
to implement any of these options, the supplier shall supply in accordance with the basic specification,
see 5.1 a) to e) and g).6 Manufacturing process
6.1 Steel making process
The steel making process is at the discretion of the manufacturer with the exclusion of the open hearth
(Siemens-Martin) process.See Option 1, Clause 13, (Details of manufacturing process).
6.2 Delivery conditions
Unless otherwise agreed, sheet piles shall be delivered in the as rolled condition.
See Option 2, Clause 13, (Delivery conditions).7 Requirements
7.1 General
The requirements in 7.2 and 7.3 apply for sampling, preparation of test pieces and testing specified in
Clauses 9 and 10.7.2 Chemical composition
7.2.1 The chemical composition determined by heat analysis shall comply with the specified values of
Table 1.For elements not defined in tables for the chemical composition for heat analysis, limit values of Table 1
of EN 10020:2000 shall apply as maximum values.7.2.2 The upper limits applicable for the product analysis are given in Table 2.
For elements not defined in tables for the chemical composition for product analysis, limit values of
Table 1 of EN 10020:2000 shall apply as maximum values.7.2.3 The maximum carbon equivalent values for the grades based on the heat analysis given in Table 1
shall apply.The maximum carbon equivalent values for the grades based on the product analysis given in Table 2
shall apply.For determining the carbon equivalent value the following IIW (International Institute of Welding)
formula shall be used:Cr++Mo V Ni+ Cu
(1)
CEV=C++ +
6 5 15
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NOTE 1 General requirements for the welding of steel sheet pile grades are given in EN 1011-2.
NOTE 2 Steels specified in this document do not have unlimited suitability for the various welding processes,
since the behaviour of a steel during and after welding depends not only on the material, but also on the dimensions
and shape and on the manufacturing and service conditions of the components.7.2.4 For all steel grades a copper-content between 0,25 % and 0,35 %, or between 0,35 % and 0,50 %
(on mass) on the heat analysis can be agreed upon at the time of enquiry and order. In this case, the
maximum carbon equivalent value of Table 1 shall be increased by 0,02.See Option 3, Clause 13, (Cu alloyed).
7.3 Mechanical properties
7.3.1 General
Under the inspection and testing conditions as specified in Clauses 8, 9 and 10, the mechanical properties
shall comply with the values given in Table 3.7.3.2 Impact properties
The impact properties shall be verified by test at the temperature given in Table 3, unless otherwise
agreed upon at the time of the order.Using test pieces of width less than 10 mm, the minimum values given in Table 3 shall be reduced in direct
proportion to the cross-sectional area of the test piece.See Option 4, Clause 13, (Verification of impact properties).
7.4 Technological properties
7.4.1 Weldability
General requirements for arc welding of the steels shall be as given in EN 1011-2. In general, steel sheet
pile grades are suitable for arc welding.NOTE With increasing product thickness and strength level, cold cracking can occur. Cold cracking is caused
by the following factors in combination:— the amount of diffusible hydrogen in the weld metal;
— a brittle structure of the heat affected zone;
— significant tensile stress concentrations in the welded joint.
7.4.2 Flame straightening
Recommendations regarding flame straightening are laid down in CEN/TR 10347.
7.4.3 Hot-dip zinc-coating
EN ISO 1461 should be used to specify coating requirements. EN ISO 14713-2 provides further guidance,
including information on the influence of various factors, including steel chemical composition, on the
coating formation.Option 5, Clause 13, can be used to order steels with a chemical composition required for hot-dip zinc
coating. When Option 5 is implemented, the purchaser and manufacturer shall agree to a steel
composition (heat analysis) of silicon and phosphorous according to either:Category A (see also EN ISO 14713-2:2020, Table 1, Note 1); or
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Category B; or
Category D (limited to 0,25 % < Si ≤ 0,35 %)
with required values as cited by the ranges given in EN ISO 14713-2:2020, Table 1, column 2.
NOTE EN ISO 14713-2:2020, Table 1, gives guidance on typical coating characteristics associated with certain
steel compositions on the basis of the surface composition of silicon and phosphorous.
The maximum carbon equivalent shall be increased by 0,02 or by 0,01.In some cases steels above S 460 may be sensitive to cracking during galvanizing and therefore special
care should be taken.See Option 5, Clause 13, (Chemical composition for hot dip zinc coating).
7.5 Surface properties
EN 10163-1 and EN 10163-3 shall apply for the permissible surface discontinuities and for the repair of
surface defects by grinding and/or welding. Class C, subclass 1 of EN 10163-3 shall apply, unless
otherwise agreed upon at the time of the order.The surface requirements and repair conditions of sheet piles shall apply to all surfaces excluding
interlocks and radii at the connection between web and flange.See Option 6, Clause 13, (Other surface class).
7.6 Internal soundness
The internal soundness shall be in accordance with EN 10021.
7.7 Dimensions, tolerances on dimensions and shape, mass
Dimensions, tolerances on dimensions and shape shall be in accordance with the requirements given in
the standard EN 10248-2.The nominal mass shall be determined from the nominal dimensions using a volumetric mass of
7 850 kg/m .7.8 Load bearing capacity
7.8.1 General
The design of steel sheet pile structures requires determination of the actions on the structure, for
example the earth pressure, the water pressure, the surface surcharge, etc., and the appropriate
resistances. The actions will give rise to effects all over the structure, for instance internal forces and
moments, stresses, strains and displacements. Additional local effects will also be produced for instance
at points of load applications. The resistances of the sheet piles to the effects of the loads shall be
determined according to the calculation methods defined in EN 1993-5, if applicable. For applicability,
reference can be made to Report EUR 20034 EN (Development of unified design rules for steel sheet piles
for introduction into EN 1993-5). If a calculation method for a specific resistance is not applicable, the
resistance shall be determined by direct testing in accordance with EN 1993-5.In general, the section resistance can be expressed as the product of the material strength for the chosen
steel grade and a specified geometrical section property dependant on the nominal dimensions of the
section. The rules for calculating the section properties from the nominal dimensions shall be in
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7.8.2 Interlock resistance of straight web sheet piles
The interlock resistance of straight web sheet piles shall be agreed at the time of enquiry and order, and
shall be tested according to the conditions as specified in 9.2.4.7.8.3 Resistance of crimped points of U-shaped sheet piles
Crimped points can be used to enhance the shear force transmission in the interlocks of U-shaped sheet
piles.If crimped points are used to enhance the shear force transmission in the interlocks of U-shaped sheet
piles, the resistance shall be agreed at the time of enquiry and order, and shall be tested according to the
testing procedure specified in 9.2.5.If agreed at the time of enquiry and order, the manufacturer can replace the crimping of interlocks by
intermittent welding of interlocks that achieves the same shear force transmission.
EXAMPLE Triple U-shaped sheet piles delivered with one common interlock crimped and one common
interlock partially welded.See Option 7, Clause 13, (Welding of common interlocks).
7.8.4 Interlock performance criteria
The interlock performance criteria shall comply with the requirements of 9.2.6.
8 Inspection
8.1 Type of inspection and inspection document
The products shall be delivered either with specific or non-specific inspection and testing to indicate
compliance with the order and this document. The manufacturer shall obtain from the purchaser the
information which inspection document according to EN 10204 is required, otherwise a test report 2.2
will be issued.In the case of specific inspection, testing shall be carried out according to the requirements of 8.3,
Clauses 9 and 10.8.2 Content of inspection document
The inspection document shall include, in accordance with EN 10168, the following codes and/or
information, where applicable:A commercial transactions and parties involved;
B description of products to which the inspection document applies;
C00-C03 identification of the sample, location of the sample, direction of the test pieces, test
temperature;C10-C13 shape of the test piece, yield or proof strength, tensile strength, elongation after
fracture;C40-C43 type of test piece, width of test piece, individual values, mean value;
C70-C92 Steel making process, chemical composition;
D other tests;
Z validation.
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8.3 Tests to be carried out for specific inspection
8.3.1 The following tests shall be carried out:
— the heat analysis (chemical composition);
— the tensile test;
— the impact test for the grades S355GP, S390GP, S430GP, S460GP and S500GP.
8.3.2 At the time of the enquiry and order the following additional tests can be agreed upon (see also
Clause 13):a) the product analysis, see 7.2.2 and Option 8, Clause 13;
b) the impact energy for the grades S240GP, S270GP and S320GP, see Clause 13, Option 4, (Verification
of impact properties).8.3.3 Unless otherwise agreed at the time of enquiry and order, inspection of surface conditions and
dimensions shall be carried out by the manufacturer.See Option 9, Clause 13, (Inspection of surface conditions and dimensions).
9 Frequency of testing and preparation of samples and test pieces
9.1 Test unit
The test unit shall comprise products of the same shape and the same steel grade as specified in Table 1,
produced from the same cast, and shall have a maximum mass of 150 tonnes.9.2 Frequency of testing
9.2.1 Chemical analysis
For heat analysis, one sample shall be taken from each test unit.
If a product analysis has been agreed upon at the time of enquiry and order, one sample shall be taken
per test unit unless otherwise specified by the purchaser.The preparation of samples shall be in accordance with EN ISO 14284.
9.2.2 Mechanical tests
The verification of the mechanical properties (tensile strength, yield strength, elongation and impact
energy) shall be by test unit from within each cast.The test unit shall contain products of the same form and grade.
The following samples shall be taken from one sample product of each test unit:
— one sample for tensile testing;
— one sample sufficient for one set of six impact test pieces.
9.2.3 Tolerances on dimensions and shape
Tolerances on dimension and shape shall be subject to the tests indicated in 7.7, at least with a test
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9.2.4 Interlock resistance of straight web sheet piles
Interlock resistance of straight web sheet piles shall be subject to the tests as indicated in 7.8.2, with a
test frequency of one sample per test unit.9.2.5 Resistance of crimped points of U-shaped sheet piles
Resistance of crimped points of U-shaped sheet piles shall be subject to the tests as indicated in 7.8.3,
with a test frequency of one sample every 10 000 tonnes.9.2.6 Interlock performance criteria
Interlock performance criteria shall be subject to the tests as indicated in 7.8.4 and 10.4.3, at the time of
determination of the product type.9.3 Preparation of samples and test pieces
9.3.1 Selection and preparation of samples for chemical analysis
The selection and preparation of samples for product analysis shall be in accordance with EN ISO 14284.
9.3.2 Location of samples and orientation of test pieces for mechanical testsThe location of samples shall be as shown in Annex A.
In addition the samples shall be taken from the thickest product in the test unit.
9.3.3 Preparation of test pieces for mechanical tests9.3.3.1 General
The requirements of EN ISO 377 shall apply.
9.3.3.2 Preparation of tensile test pieces
The requirements of EN ISO 6892-1 shall apply.
Test pieces shall be cut in the longitudinal direction, i. e. parallel to the principal rolling direction.
Proportional test pieces having an initial gauge length LS= 5,65 shall be used, where S is the initial
cross-sectional area of the test piece.9.3.3.3 Preparation of impact test pieces
V-notch test pieces shall be machined and prepared in accordance with EN ISO 148-1. In addition, the
following requirements apply:— for nominal thick
...
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