Cold formed steel sheet piles - Part 1: Technical delivery conditions

This document specifies the requirements for cold formed steel sheet piles produced from hot rolled strip or sheet with a thickness equal to or greater than 3 mm 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, Omega-shaped and trench sheets. The requirements in respect of tolerances on shape and dimensions are specified in Part 2 of this document.

Kaltgeformte Spundbohlen aus Stahl - Teil 1: Technische Lieferbedingungen

Dieses Dokument legt Anforderungen an kaltgeformte Spundbohlen, hergestellt aus warmgewalztem Band oder Blech mit einer Dicke ≥ 3 mm, 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, Omega-Profil und Kanaldiele. Die Festlegungen bezüglich der Grenzabmaße und Formtoleranzen sind in Teil 2 dieses Dokumentes enthalten.

Palplanches en acier profilées à froid - 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 formées à froid à partir de bandes ou tôles laminées à chaud d’épaisseur supérieure ou égale à 3 mm.
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 Oméga et les rideaux de coffrage. Les prescriptions relatives aux tolérances sur forme et les dimensions sont spécifiées dans la Partie 2 du présent document.

Hladno oblikovana jeklena obešala - 1. del: Tehnični dobavni pogoji

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SLOVENSKI STANDARD
oSIST prEN 10249-1:2022
01-april-2022
Hladno oblikovana jeklena obešala - 1. del: Tehnični dobavni pogoji
Cold formed steel sheet piles - Part 1: Technical delivery conditions
Kaltgeformte Spundbohlen aus Stahl - Teil 1: Technische Lieferbedingungen

Palplanches profilées à froid en acier - Partie 1 : Conditions techniques de livraison

Ta slovenski standard je istoveten z: prEN 10249-1
ICS:
77.140.45 Nelegirana jekla Non-alloyed steels
77.140.70 Jekleni profili Steel profiles
oSIST prEN 10249-1:2022 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 10249-1:2022
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oSIST prEN 10249-1:2022
DRAFT
EUROPEAN STANDARD
prEN 10249-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2022
ICS 77.140.70 Will supersede EN 10249-1:1995
English Version
Cold formed steel sheet piles - Part 1: Technical delivery
conditions

Palplanches profilées à froid en acier - Partie 1 : Kaltgeformte Spundbohlen aus Stahl - Teil 1:

Conditions techniques de livraison Technische Lieferbedingungen

This 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 10249-1:2022 E

worldwide for CEN national Members.
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oSIST prEN 10249-1:2022
prEN 10249-1:2022 (E)
Contents Page

European foreword ............................................................................................................................................ 3

1 Scope .......................................................................................................................................................... 4

2 Normative references .......................................................................................................................... 4

3 Terms and definitions ......................................................................................................................... 5

4 Classification and designation ......................................................................................................... 5

4.1 Classification........................................................................................................................................... 5

4.2 Designation ............................................................................................................................................. 6

5 Information to be supplied by the purchaser ............................................................................. 6

5.1 Mandatory information ...................................................................................................................... 6

5.2 Options ...................................................................................................................................................... 6

6 Manufacturing process ....................................................................................................................... 6

6.1 Steel making process ........................................................................................................................... 6

6.2 Delivery conditions .............................................................................................................................. 7

7 Requirements ......................................................................................................................................... 7

7.1 General...................................................................................................................................................... 7

7.2 Chemical composition ......................................................................................................................... 7

7.3 Mechanical properties ........................................................................................................................ 7

7.4 Technological properties ................................................................................................................... 8

7.5 Surface condition .................................................................................................................................. 9

7.6 Internal soundness ............................................................................................................................... 9

7.7 Dimensions, tolerances on dimensions and shape, mass ....................................................... 9

7.8 Load Bearing Capacity ......................................................................................................................... 9

8 Inspection ................................................................................................................................................ 9

8.1 Type of inspection and inspection document ............................................................................. 9

8.2 Content of inspection document...................................................................................................... 9

8.3 Tests to be carried out for specific inspection ......................................................................... 10

9 Frequency of testing and preparation of samples and test pieces .................................... 10

9.1 Test unit ................................................................................................................................................. 10

9.2 Frequency of testing .......................................................................................................................... 10

9.3 Preparation of samples and test pieces ...................................................................................... 11

9.4 Identification of samples and test pieces ................................................................................... 12

10 Test methods ........................................................................................................................................ 12

10.1 Chemical analysis ................................................................................................................................ 12

10.2 Mechanical tests .................................................................................................................................. 12

10.3 Retests ..................................................................................................................................................... 13

11 Marking, labelling, packaging ........................................................................................................ 13

12 Complaints ............................................................................................................................................. 13

13 Options .................................................................................................................................................... 13

Annex A (normative) Location of test samples...................................................................................... 15

Annex B (normative) Calculation of geometrical cross-sectional properties ............................ 16

Annex C (informative) Steel grades and chemical composition according to EN 10025-2,

EN 10149-2 and EN 10149-3 ........................................................................................................... 17

Bibliography ....................................................................................................................................................... 20

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prEN 10249-1:2022 (E)
European foreword

This document (prEN 10249-1:2022) 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 10249-1:1995.

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) New definitions 3.1 and 3.3;

d) Specification of grades from EN 10149-2 (S355MC, S420MC) and EN 10149-3 (S355NC, S420NC)

suitable for cold forming;
e) Modification concerning the maximum values for the chemical composition;

f) Addition of 7.4.2 for formability and flame straightening, 7.4.3 dedicated for hot-dip zinc-coating and

7.8 for load bearing capacity;
g) New wording for Clauses 8, 9 and 10 for inspection and testing;
h) Addition of Clause 12 on the complaints;

i) Removal of the former Annexes A and B on Euronorms and equivalent designations;

j) Addition of the Annexes A, B and C.

EN 10249 consists of the following parts, under the general title Cold formed steel sheet piles:

— Part 1: Technical delivery conditions
— Part 2: Tolerances on dimensions and shape

A further standard prEN 10376 with the title Cold formed steel sheet piles – General (Characteristics,

evaluation of conformity and marking) is in preparation and can be used together with EN 10249 after

publication.

Through its sub-committee SC 5 “Steels for heat treatment, alloy steels, free-cutting steels and stainless steels” (secretariat:

DIN).
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prEN 10249-1:2022 (E)
1 Scope

This document specifies the requirements for cold formed steel sheet piles produced from hot rolled strip

or sheet with a thickness equal to or greater than 3 mm 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, Omega-shaped and trench sheets. 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

steels
EN 1993-5, 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 10025-2, Hot rolled products of structural steels – Part 2: Technical delivery conditions for non-alloy

structural steels
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 10149-2, Hot rolled flat products made of high yield strength steels for cold forming - Part 2: Technical

delivery conditions for thermomechanically rolled steels

EN 10149-3, Hot rolled flat products made of high yield strength steels for cold forming - Part 3: Technical

delivery conditions for normalized or normalized rolled steels

EN 10168, Steel products - Inspection documents - List of information and description

EN 10204, Metallic products - Types of inspection documents

EN 10249-2, Cold formed 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

CEN/TR 10347, Guidance for forming of structural steels in processing

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)
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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 testing at room temperature

(ISO 6892-1)

EN ISO 14284, Steel and iron - Sampling and preparation of samples for the determination of chemical

composition (ISO 14284)

EN ISO 14713-2, Zinc coatings - Guidelines and recommendations for the protection against corrosion of

iron and steel in structures - Part 2: Hot dip galvanizing (ISO 14713-2)
3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 10020:2000, EN 10021:2006,

EN 10079:2007 and the following 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
3.1
product range

group of products produced by one manufacturer for which the test results for one or more

characteristics from any one product within the range are valid for all other products within this range

3.2
cold-formed steel sheet pile

product made by cold forming on a rolling machine or on a brake press; the form of the product is such

that when threading their interlocks, they constitute a continuous sheet pile structure

3.3
trench steel sheet pile

product made by cold forming on a rolling machine or on a brake press, without interlocks; the form of

the product is such that when overlapping the profiles ends, they constitute a sheet pile structure

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 seven steel grades suitable for cold forming according to the following

standards:
— EN 10025-2 – S235JRC, S275JRC, S355J0C;
— EN 10149-2 – S355MC, S420MC;
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prEN 10249-1:2022 (E)
— EN 10149-3 – S355NC, S420NC.
4.2 Designation

4.2.1 For the steel grades covered by this document in Table C.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, i.e. EN 10249-1;
— the steel name or the steel number.

EXAMPLE Steel sheet piles in accordance with EN 10249-1 made of structural steels (S) with a specified

minimum yield strength at room temperature of 235 MPa:
EN 10249-1 – S235JRC
EN 10249-1 – 1.0122
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;
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 is 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).
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6.2 Delivery conditions

Unless otherwise agreed, sheet piles shall be delivered in the as cold formed 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 EN 10025-2,

EN 10149-2 and EN 10149-3. The grades and the chemical composition of the steels of EN 10025-2,

EN 10149-2 and EN 10149-3 are listed for information in Table C.1 of Annex C.

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 the corresponding tables of

EN 10025-2, EN 10149-2 and EN 10149-3. The upper limits applicable for the product analysis of grades

of EN 10025-2, EN 10149-2 and EN 10149-3 are listed for information in Table C.2 of Annex C.

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 C.1 shall apply.

For determining the carbon equivalent value the following IIW (International Institute of Welding)

formula shall be used:
Cr++Mo V Ni+ Cu
CEV=C++ + (1)
6 5 15

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.
7.3 Mechanical properties
7.3.1 Yield Strength – Tensile Strength – Elongation

Under the testing conditions as specified in Clauses 8, 9 and 10, the yield strength, the tensile strength

and the elongation at fracture shall comply with the relevant requirements of Table 1 and in conformity

with EN 10025-2, EN 10149-2 or EN 10149-3.
7.3.2 Impact energy

Under the testing conditions as specified in Clauses 8, 9 and 10, the impact energy shall comply with the

relevant requirements of Table 1.
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Using test pieces of width less than 10 mm, the minimum values given in Table 1 shall be reduced in direct

proportion to the cross-sectional area of the test piece.
See Option 3, 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 th
...

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