oSIST prEN 10380:2026

Finished non-alloy and alloy steel products for structural use

The standard shall cover finished products made of carbon steel, steel alloy and cast steel intended to be used as structural elements in construction works, including its use in installations.
Products may be coated, or uncoated.
Products may be weldable, or non-weldable.
Products made of stainless steel are excluded from this product definition.
The standard shall cover: Product group on sections and profiles, product group on plates, sheets, strip and wide flats, product group on bars, rods and wire, product group on hollows and product group on piles and sheet piles.

Fertigerzeugnisse aus unlegierten und legierten Stählen für den Stahlbau

Dieses Dokument gilt für Fertigerzeugnisse aus unlegierten und legierten Stählen und Stahlguss, die zur Verwendung als Konstruktionselemente in Bauwerken, einschließlich ihrer Verwendung in Anlagen, bestimmt sind.
Die Erzeugnisse sind beschichtet oder unbeschichtet sein.
Die Erzeugnisse sind schweißbar oder nicht schweißbar sein.
Erzeugnisse aus nichtrostendem Stahl sind von dieser Produktdefinition ausgenommen.
Dieses Dokument gilt für: Die Erzeugnisgruppe Profile, die Erzeugnisgruppe Bleche, Bänder und Breitflachstahl, die Erzeugnisgruppe Stabstahl, Walzdraht und Draht, die Erzeugnisgruppe Hohlprofile und die Erzeugnisgruppe Pfähle und Spundbohlen.

Produits finis en aciers non-alliés et alliés pour la construction

Le présent document couvre les produits finis en acier au carbone, en acier allié et en acier coulé destinés à être utilisés comme éléments de construction dans les travaux de construction, y compris leur utilisation dans les installations.
Les produits sont revêtus ou non revêtus.
Les produits sont soudables ou non soudables.
Les produits en acier inoxydable sont exclus de cette définition de produit.
Le présent document couvre : Groupe de produits sur les sections et les profils, groupe de produits sur les plaques, tôles, bandes et larges plats, groupe de produits sur les barres, tiges et fils, groupe de produits sur les creux et groupe de produits sur les pieux et palplanches.

Končni izdelki iz nelegiranega in legiranega jekla za konstrukcijsko uporabo

Standard zajema končne izdelke iz ogljikovega jekla, legiranega jekla in litega jekla, namenjene uporabi kot konstrukcijski elementi v gradbenih delih, vključno z njihovo uporabo v inštalacijah.
Izdelki so lahko prevlečeni ali neprevlečeni.
Izdelki so lahko varljivi ali nevarljivi.
Izdelki iz nerjavnega jekla so izključeni iz te definicije izdelka.
Standard zajema: skupino izdelkov na profilih in prerezih, skupino izdelkov na ploščah, listih, trakovih in širokih ploščah, skupino izdelkov na palicah, drogih in žici, skupino izdelkov na votlih profilih in skupino izdelkov na pilotih in pločevinastih pilotih.

General Information

• Status: Not Published
• Public Enquiry End Date: 30-May-2026
• ICS: 77.140.01 - Iron and steel products in general
• ICS: 91.080.13 - Steel structures
• Technical Committee: IFEK - Ferrous metals
• Current Stage: 4020 - Public enquire (PE) (Adopted Project)
• Start Date: 02-Apr-2026
• Due Date: 20-Aug-2026
• Directive: Harmonized Standard305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Mandate: M/120 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on structural metallic products and ancillaries
• Mandate: M/616 - COMMISSION IMPLEMENTING DECISION of 2.10.2025 on a standardisation request to the European Committee for Standardisation as regards structural metallic products, ancillaries and double skin metal faced insulating panels in support of Regulation (EU) No 305/2011 of the European Parliament and of the Council
• Ref Project: prEN 10380 - Finished non-alloy and alloy steel products for structural use

Overview

oSIST prEN 10380:2026 is a draft European Standard developed by CEN, addressing finished non-alloy and alloy steel products for structural use in construction and related installations. The standard covers a diverse range of steel products, including carbon steel, alloy steel, and cast steel, but explicitly excludes stainless steel items. It specifies requirements for coated and uncoated, weldable and non-weldable structural steel products. The goal of oSIST prEN 10380:2026 is to establish harmonized quality, safety, and performance criteria for materials used as structural elements, ensuring consistency and reliability in civil engineering and construction applications across Europe.

Key Topics

• Product Scope:
  oSIST prEN 10380:2026 encompasses the following product groups:

  • Sections and profiles
  • Plates, sheets, strip, and wide flats
  • Bars, rods, and wire
  • Hollows
  • Piles and sheet piles

• Material Properties:
  The standard details characteristics critical to structural performance, such as:

  • Elongation after fracture (ductility)
  • Tensile yield strength / 0.2% proof stress
  • Ultimate tensile strength
  • Stress ratio
  • Impact strength
  • Reduction of cross-sectional area

• Testing and Assessment Methods:
  Methods described include procedures for sampling, preparation of test specimens, and necessary mechanical tests (e.g., tensile, impact). These support the verification of compliance for each property.

• Environmental and Safety Aspects:
  oSIST prEN 10380:2026 introduces environmental sustainability metrics, including:

  • Life cycle assessment (LCA)
  • Resource use and waste characteristics
  • Biogenic carbon content
  • Reference service life
  • Fire reaction and classification

• Product Documentation:
  Manufacturers must document product tolerances, corrosion criteria, and exposure scenarios, ensuring traceability and informed selection by specifiers.

Applications

• Civil Engineering & Building Construction:
  Products governed by oSIST prEN 10380:2026 are widely used as load-bearing elements in buildings, bridges, and infrastructural frames. Typical examples include beams, columns, girders, sheet piling for earth retention, and steel piles for deep foundations.

• Industrial Installations:
  The standard applies to structural steel components in diverse installations such as factories, power plants, and storage facilities, where robust and standardized steel sections are required.

• Infrastructure Projects:
  Use cases include transport infrastructure (road, rail, bridges), waterworks, and energy sector constructions, benefiting from harmonized product quality.

• Manufacturing and Fabrication:
  The widespread adoption of standardized products simplifies engineering design, facilitates compliance with EU directives, and supports efficient, safe fabrication, including both welded and non-welded structures.

Related Standards

oSIST prEN 10380:2026 is designed to align closely with several established European and international standards. Key related standards include:

• EN 10025-1: General technical delivery conditions for hot-rolled structural steels (being partially superseded)
• EN 10210-1 / EN 10219-1: Hot and cold-formed hollow sections (partially superseded)
• EN 10020, EN 10027-1, EN 10027-2, EN 10079: Steel classification, designation, and definition
• EN ISO 6892-1: Tensile testing methods for metallic materials
• EN ISO 148-1: Charpy pendulum impact test (for notch toughness)
• EN 15804, EN 17662: Environmental Product Declarations (EPD) and sustainability assessment for construction products
• EN 13501-1: Fire classification

For a comprehensive overview of applicable tolerances, delivery conditions, and dimensional requirements, Annex B of oSIST prEN 10380:2026 references the most current technical standards across the European Union and EFTA member states.

---

Adopting oSIST prEN 10380:2026 ensures that steel products for structural use in construction meet unified European requirements for performance, safety, and environmental impact-supporting quality, sustainability, and regulatory compliance in the construction industry.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2026
Končni izdelki iz nelegiranega in legiranega jekla za konstrukcijsko uporabo
Finished non-alloy and alloy steel products for structural use
Fertigerzeugnisse aus unlegierten und legierten Stählen für den Stahlbau
Produits finis en aciers non-alliés et alliés pour la construction
Ta slovenski standard je istoveten z: prEN 10380
ICS:
77.140.01 Železni in jekleni izdelki na Iron and steel products in
splošno general
91.080.13 Jeklene konstrukcije Steel structures
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2026
ICS 77.140.01; 91.080.13
English Version
Finished non-alloy and alloy steel products for structural
use
Produits finis en aciers non-alliés et alliés pour la Fertigerzeugnisse aus unlegierten und legierten
construction Stählen für den Stahlbau
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, Türkiye 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
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 10380:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Characteristics . 7
4.1 Elongation after fracture . 7
4.2 Tensile yield strength/ 0,2 % proof stress . 7
4.3 Ultimate tensile strength . 7
4.4 Stress ratio . 7
4.5 Impact strength . 8
4.6 Reduction of cross-sectional area . 8
4.7 Interlock resistance . 8
4.8 Resistance of crimped points . 8
4.9 Reaction to fire. 8
4.9.1 General. 8
4.9.2 Classification without testing (WT). 8
4.10 Environmental sustainability . 8
4.10.1 Reference service life . 8
4.10.2 Life cycle assessment environmental characteristics . 9
4.10.3 Resource use environmental characteristics . 10
4.10.4 Waste environmental characteristics . 10
4.10.5 Output flows environmental characteristics . 11
4.10.6 Biogenic carbon content environmental characteristics . 11
4.11 Performances in attached documentation of the product . 11
4.11.1 General. 11
4.11.2 Off-the-shelf products . 11
5 Testing, assessment and sampling methods . 12
5.1 Elongation after fracture . 12
5.1.1 Selection of samples, location and orientation of test pieces . 12
5.1.2 Preparation of test pieces for the tensile test . 12
5.1.3 Test method for the tensile test . 12
5.2 Tensile yield strength/ 0,2 % proof stress . 12
5.2.1 Selection of samples, location and orientation of test pieces . 12
5.2.2 Preparation of test pieces for the tensile test . 12
5.2.3 Test method for the tensile test . 13
5.3 Ultimate tensile strength . 13
5.3.1 Selection of sample, location and orientation of test pieces . 13
5.3.2 Preparation of test pieces for the tensile test . 13
5.3.3 Test method for the tensile test . 13
5.4 Stress ratio . 14
5.5 Impact strength . 14
5.5.1 Selection of samples, location and orientation of test pieces . 14
5.5.2 Preparation of test pieces for the impact test . 14
5.5.3 Test method for the impact test . 15
5.6 Reduction of cross-sectional area . 15
5.6.1 Selection of sample, location and orientation of test pieces . 15
5.6.2 Preparation of test pieces for the tensile test . 15
5.6.3 Test method for the tensile test. 15
5.7 Interlock resistance – Selection and preparation of samples and specimens and test
method . 16
5.8 Resistance of crimped points – Selection and preparation of samples and specimens and
test method . 16
5.9 Reaction to fire . 16
5.10 Environmental sustainability . 16
5.10.1 Reference service life . 16
5.10.2 Life cycle assessment environmental characteristics . 16
5.10.3 Resource use environmental characteristics . 17
5.10.4 Waste environmental characteristics . 17
5.10.5 Output flows environmental characteristics . 17
5.10.6 Biogenic carbon content environmental characteristics . 17
5.11 Performances in attached documentation of the product . 18
5.11.1 General . 18
5.11.2 Off-the-shelf products . 18
6 Assessment and verification of constancy of performance - AVCP . 18
6.1 General . 18
6.2 Assessment of the performance . 18
6.2.1 General . 18
6.2.2 Test samples, testing and assessment criteria. 19
6.3 Verification of constancy of performance. 22
6.3.1 Factory production control (FPC) . 22
6.3.2 Initial inspection of factory and of FPC . 25
6.3.3 Initial inspection of factory to validate environmental sustainability company specific data
............................................................................................................................................................................. 25
6.3.4 Continuous surveillance of FPC . 26
6.3.5 Environmental sustainability assessment validation . 26
7 Classification and designation . 26
Annex A (normative) Location of samples and test pieces for non-alloy and alloy steels . 27
A.1 General . 27
A.2 Plates, sheets, strip and wide flats. 27
A.3 Sections and profiles . 28
A.4 Hollows and tubular piles . 29
A.5 Bars and Rod (not for steels for subsequent heat treatment) . 30
A.6 Bars and rod (only for steels for quenching and tempering) . 32
A.7 Hot-rolled sheet piles . 33
A.8 Cold formed sheet piles . 33
Annex B (informative) Tolerance standards, technical delivery conditions and steel grades used in
EU and EFTA . 35
B.1 Standards on tolerances on dimensions and shape . 35
B.2 Technical delivery conditions . 36
Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.
305/2011 (When applying this standard as a harmonized standard under Regulation (EU)
No. 305/2011 manufacturers and Member States are obliged by this regulation to use this
Annex) . 37
Bibliography . 44

European foreword
This document (prEN 10380:2026) has been prepared by Technical Committee CEN/TC 459/SC 3
“Structural steels other than reinforcements”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 10025-1:2004, EN 10210-1:2006 (partially), EN 10219-1:2006
(partially), EN 10343:2009 (partially).
This document has been prepared under a standardization request given to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For relationship with EU Regulation 305/2011, see informative Annex ZA, which is an integral part of this
document.
NOTE Related standards i.e. the technical delivery condition and dimensional standards are mentioned in
informative Annex B.
1 Scope
This document covers finished products made of carbon steel, steel alloy and cast steel intended to be
used as structural elements in construction works, including its use in installations.
Products are coated, or uncoated.
Products are weldable, or non-weldable.
Products made of stainless steel are excluded from this product definition.
This document covers: Product group on sections and profiles, product group on plates, sheets, strip and
wide flats, product group on bars, rods and wire, product group on hollows and product group on piles
and sheet piles.
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 10020:2000, Definition and classification of grades of steel
EN 10027-1:2016, Designation systems for steels — Part 1: Steel names
EN 10027-2:2015, Designation systems for steels — Part 2: Numerical system
EN 10079:2007, Definition of steel products
EN 10379:2025, Steel sheet piles — Test methods
EN 13501-1:2018, Fire classification of construction products and building elements — Part 1:
Classification using data from reaction to fire tests
EN 15804:2012+A2:2019+AC:2021, Sustainability of construction works — Environmental product
declarations — Core rules for the product category of construction products
EN 17662:2026, Execution of steel structures and aluminium structures — Environmental Product
Declarations — Product category rules complementary to EN 15804 for Steel, Iron and Aluminium
structural products for use in construction works
EN ISO 148-1:2016, Metallic materials — Charpy pendulum impact test — Part 1: Test method
(ISO 148-1:2016)
EN ISO 377:2017, Steel and steel products — Location and preparation of samples and test pieces for
mechanical testing (ISO 377:2017)
EN ISO 6892-1:2019, Metallic materials — Tensile testing — Part 1: Method of test at room temperature
(ISO 6892-1:2019)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 10020:2000, EN 10079:2007,
and the following apply.
ISO and IEC maintain terminology 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
CEV (carbon equivalent value)
result of a formula given by IIW (International Institute of Welding) to express the weldability of steel
Note 1 to entry: For determining the carbon equivalent value, the following IIW formula shall be used:
Cr++Mo V Ni+ Cu
Mn
CEV=C++ +
6 5 15
where C, Mn, Cr, Mo, V, Ni, Cu are the mass fraction in % of these elements in the heat analysis.
4 Characteristics
4.1 Elongation after fracture
The elongation after fracture of steel products for structural use provides a value for the ductility of the
material and is the ratio of total deformation to the initial dimension of the material. The performance of
the product in relation to elongation after fracture shall be determined in accordance with 5.1. The
elongation after fracture shall be expressed in %.
4.2 Tensile yield strength/ 0,2 % proof stress
The tensile yield strength/ 0,2% proof stress of steel products for structural use is a material property
defined as the stress at which the material begins to deform plastically after elastic and non-permanent
deformation. The performance of the product in relation to tensile yield strength/ 0,2% proof stress shall
be determined in accordance with 5.2. The tensile yield strength/ 0,2% proof stress shall be expressed in
MPa.
4.3 Ultimate tensile strength
The ultimate tensile strength of steel products for structural use is the maximum stress that the material
can withstand while being stretched or pulled before breaking after elastic and plastic deformation. The
performance of the product in relation to ultimate tensile strength shall be determined in accordance
with 5.3. The ultimate tensile strength shall be expressed in MPa.
4.4 Stress ratio
Stress ratio is the ratio between the ultimate tensile strength and the tensile yield strength/ 0,2% proof
stress. It indicates how much tensile stress margin is available in a design/construction until the failure
of the material clearly sets in.
4.5 Impact strength
The impact strength of steel products for structural use is the amount of energy absorbed by the material
during fracture. This absorbed energy is a measure of a given material's notch toughness and acts as a
tool to study temperature-dependent ductile-brittle transition. The performance of the product in
relation to impact strength shall be determined in accordance with 5.5. The impact strength shall be
expressed in J at a given test temperature (e.g. 0 °C, −20 °C or −50 °C).
4.6 Reduction of cross-sectional area
Reduction of cross-sectional area is the difference between an original given cross-sectional area of a test
piece before being subjected to tension and the given area of its smallest cross-section after rupture,
expressed as a percentage of the original cross-sectional area.
4.7 Interlock resistance
The interlock resistance only applicable to straight web sheet piles shall be related to a specific nominal
interlock geometry and, if required, to a specific steel grade. The performance of the product in relation
to interlock resistance shall be determined in accordance with 5.7. The interlock resistance for straight
web sheet piles shall be expressed in kN/m.
4.8 Resistance of crimped points
The resistance of crimped points only applicable to U-shaped sheet piles shall be related to a specific
nominal interlock geometry or sheet pile section and, if required, to a specific steel grade. The
performance of the product in relation to resistance of crimped points shall be determined in accordance
with 5.8. The resistance of crimped points of U-shaped sheet piles shall be expressed in kN/crimped point.
4.9 Reaction to fire
4.9.1 General
The reaction to fire indicates the response of the finished non-alloy and alloy steel products for structural
use in contributing by its own decomposition to a fire to which it is exposed, under specified conditions.
When tested in accordance with the test method given in 5.9, relevant for the claimed class, the test
results is expressed as a class according to the classification published in the Official Journal of the
European Union on this specific matter.
NOTE The applicable document at the time this standard was drafted is Commission Delegated Regulation (EU)
2016/364 of 1 July 2015. https://eur-lex.europa.eu/eli/reg_del/2016/364 .
4.9.2 Classification without testing (WT)
Whether products covered by this document are made from one or more of the materials that have been
considered, under established conditions, as belonging to the category “No contribution to fire” because
of their low level of combustibility, the reaction to fire class A applies to these products without the need
of carrying out reaction to fire tests.
NOTE The rules to apply this classification are published as Commission Decisions or Commission Delegated
Regulations.
4.10 Environmental sustainability
4.10.1 Reference service life
The reference service life is the service life to be expected under a set of reference in-use conditions with
which the characteristics of the products are consistent. When assessed in accordance with the method
given in 5.10.1, the results are expressed as a value in years.
4.10.2 Life cycle assessment environmental characteristics
Characteristics in Table 1 are related to the life cycle assessment of the product. When assessed in
accordance with the method given in 5.10.2, the results are expressed as a value in the units included in
Table 1 for modules A1 to A3 and for each module and European harmonized scenario described in
5.10.2.
Table 1 — Life cycle assessment environmental characteristics
Characteristic Unit Dimensions
climate change – total kg CO eq. M
climate change – fossil kg CO eq. M
climate change – biogenic kg CO eq. M
climate change - land use and land use change kg CO eq. M
ozone depletion kg CFC 11 eq. M
+
acidification mol H eq. N
eutrophication aquatic freshwater kg PO eq. M
eutrophication aquatic marine kg N eq. M
eutrophication terrestrial mol N eq. M
photochemical ozone formation kg NMVOC eq. M
depletion of abiotic resources - minerals and metals kg Sb eq. M
depletion of abiotic resources - fossil fuels MJ, net calorific ML2T-2
value
water use m world eq. L3
deprived
particulate matter emissions Disease incidence -
ionising radiation, human health kBq U235 eq. S-1
ecotoxicity (freshwater) CTUe M-1
human toxicity, cancer effects CTUh M-1
human toxicity, non- cancer effects CTUh M-1
land use related impacts / soil quality Unitless -

4.10.3 Resource use environmental characteristics
Characteristics in Table 2 are related to the resource use over the life cycle of the product. When assessed
in accordance with the method given in 5.10.3, the results are expressed as a value in the units included
in Table 2 for modules A1 to A3 and for each module and European harmonised scenario described in
5.10.3.
Table 2 — Resource use environmental characteristics
Characteristic Unit Dimensions
use of renewable primary energy excluding renewable MJ ML2T-2
primary energy resources used as raw materials
use of renewable primary energy resources used as raw MJ ML2T-2
materials
total use of renewable primary energy resources (primary MJ ML2T-2
energy and primary energy resources used as raw
materials)
use of non-renewable primary energy excluding non- MJ ML2T-2
renewable primary energy resources used as raw
materials
use of non-renewable primary energy resources used as MJ ML2T-2
raw materials
total use of non-renewable primary energy resources MJ ML2T-2
(primary energy and primary energy resources used as
raw materials)
use of secondary material kg M
use of renewable secondary fuels MJ ML2T-2
use of non-renewable secondary fuels MJ ML2T-2
net use of fresh water m L3
4.10.4 Waste environmental characteristics
Characteristics in Table 3 are related to the waste produced over the life cycle of the product. When
assessed in accordance with the method given in 5.10.4, the results are expressed as a value in the units
included in Table 3 for modules A1 to A3 and for each module and European harmonized scenario
described in 5.10.4.
Table 3 — Waste environmental characteristics
Characteristic Unit Dimensions
hazardous waste disposed kg M
non-hazardous waste disposed kg M
radioactive waste disposed kg M

4.10.5 Output flows environmental characteristics
Characteristics in Table 4 are related to the output flows over the life cycle of the product. When assessed
in accordance with the method given in 5.10.5, the results are expressed as a value in the units included
in Table 4 for modules A1 to A3 and for each module and European harmonized scenario described in
5.10.5.
Table 4 — Output flows environmental characteristics
Characteristic Unit Dimensions
components for re-use kg M
materials for recycling kg M
materials for energy recovery kg M
exported energy MJ ML2T-2
4.10.6 Biogenic carbon content environmental characteristics
Characteristics in Table 5 are related to the biogenic carbon content of the product. When assessed in
accordance with the method given in 5.10.6, the results are expressed as a value in the units included in
Table 5 for modules A1 to A3.
Table 5 — Biogenic carbon content environmental characteristics
Characteristic Unit Dimensions
biogenic carbon content in product kg C M
biogenic carbon content in accompanying kg C M
packaging
4.11 Performances in attached documentation of the product
4.11.1 General
In case the structural behaviour is expressed in a way not directly related to characteristics of
construction products, the following applies.
4.11.2 Off-the-shelf products
In case of off-the-shelf products, information about the loads and exposure scenarios of product is not
known so the relevant information comprises:
— tolerances on dimensions and shape are permitted deviations to nominal values;
— corrosivity;
— exposure scenarios for durability when forming a basis for the declaration.
5 Testing, assessment and sampling methods
5.1 Elongation after fracture
5.1.1 Selection of samples, location and orientation of test pieces
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and reduction of cross-sectional area. So, the
selection of samples, location and orientation of test pieces is the same for elongation after fracture,
tensile yield strength/ 0,2 % proof stress, ultimate tensile strength and reduction of cross-sectional area
and is described under the clause tensile yield strength/ 0,2% proof stress, see 5.2.1.
5.1.2 Preparation of test pieces for the tensile test
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2 % proof stress, ultimate tensile strength and cross-sectional area. So, the preparation of test
pieces for the tensile test is the same for elongation after fracture, tensile yield strength/ 0,2 % proof
stress, ultimate tensile strength and cross-sectional area and is described under the clause tensile yield
strength/ 0,2 % proof stress, see 5.2.2.
5.1.3 Test method for the tensile test
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area. So, the test method for
the tensile test provides values for elongation after fracture, tensile yield strength/ 0,2% proof stress,
ultimate tensile strength and cross-sectional area and is described under the clause tensile yield
strength/ 0,2% proof stress, see 5.2.3.
The elongation after fracture shall be expressed in % as the minimum elongation after fracture.
5.2 Tensile yield strength/ 0,2 % proof stress
5.2.1 Selection of samples, location and orientation of test pieces
The selection of the sample shall be in accordance with EN ISO 377:2017 for the tensile test. The location
and orientation of the test pieces shall be as shown in Annex A.
5.2.2 Preparation of test pieces for the tensile test
The preparation of test pieces shall be in accordance with EN ISO 6892-1:2019. In addition, following
requirements apply:
5.2.2.1 Plates, sheets, strip and wide flats: For flat products with a nominal thickness < 3 mm the
test pieces shall always have a gauge length L = 80 mm and a width of 20 mm (test piece number 2,
o
EN ISO 6892-1:2019, Annex B).
For flat products with a nominal thickness ≥ 3mm, proportional test pieces having a gauge length
L = 5,65 √ S shall be used but non-proportional test pieces may also be used.
o o
For flat products of thickness greater than 30 mm, a round test piece may be used with the longitudinal
axis at ¼ thickness.
5.2.2.2 Sections and profiles: Proportional test pieces having a gauge length L = 5,65 √ S shall be
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used, but non-proportional test pieces may also be used.
5.2.2.3 Hollows and tubular piles: Proportional test pieces having a gauge length
L = 5,65 √ S shall be used, but non-proportional test pieces may also be used. For thicknesses less than
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3 mm, a gauge length of L = 80 mm shall be used, provided a test piece width of 20 mm can be achieved,
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otherwise a gauge length of 50 mm shall be used with a test piece width of 12,5 mm.
5.2.2.4 Bars and rod: Proportional test pieces having a gauge length L = 5,65 √ S shall be used but
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non-proportional test pieces may also be used.
NOTE For bars, round test pieces are commonly used but other forms are not prohibited (see
EN ISO 6892-1:2019).
5.2.2.5 Sheet piles: Proportional test pieces having an gauge length L = 5,65 √ S shall be used,
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where S is the initial cross-sectional area of the test piece but non-proportional test pieces may also be
used.
5.2.3 Test method for the tensile test
Tensile test shall be carried out in accordance with EN ISO 6892-1:2019. The manufacturer may choose
between method A or B, as specified in EN ISO 6892-1:2019 for the tensile test.
The upper tensile yield strength (R ) shall be determined.
eH
If a yield phenomenon is not present, the 0,2% proof stress (R ) shall be determined.
p0,2
In the case of plates used for the manufacture of floorplate, the elongation after fracture values only apply
to the base plate and not to the final floorplate.
The tensile yield strength/ 0,2% proof stress shall be expressed in MPa as the minimum tensile yield
strength/ 0,2% proof stress.
5.3 Ultimate tensile strength
5.3.1 Selection of sample, location and orientation of test pieces
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area. So, the selection of
samples, location and orientation of test pieces is the same for elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area and is described under the
clause tensile yield strength/ 0,2% proof stress, see 5.2.1.
5.3.2 Preparation of test pieces for the tensile test
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area. So, the preparation of test
pieces for the tensile test is the same for elongation after fracture, tensile yield strength/ 0,2% proof
stress, ultimate tensile strength and cross-sectional area and is described under the clause tensile yield
strength/ 0,2% proof stress, see 5.2.2.
5.3.3 Test method for the tensile test
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area. So, the test method for
the tensile test provides values for elongation after fracture, tensile yield strength/ 0,2% proof stress,
ultimate tensile strength and cross-sectional area and is described under the clause tensile yield
strength/ 0,2% proof stress, see 5.2.3.
The ultimate tensile strength shall be expressed in MPa as the minimum ultimate tensile strength.
5.4 Stress ratio
Stress ratio is the ratio between the ultimate tensile strength and the tensile yield strength/ 0,2% proof
stress. It is calculated from the results obtained within 5.2.3 and 5.3.3.
The stress ratio is dimensionless.
NOTE Regulators requested the inclusion of the essential characteristic stress ratio because it is required for
some applications. Declaration is only required in Member States requesting this information.
5.5 Impact strength
5.5.1 Selection of samples, location and orientation of test pieces
The selection of the sample shall be in accordance with EN ISO 377:2017 for the impact test. The location
and orientation of the test pieces shall be as shown in Annex A.
5.5.2 Preparation of test pieces for the impact test
Three V-notch test pieces shall be machined and prepared in accordance with EN ISO 148-1:2016. In
addition, following requirements apply:
5.4.2.1 Plates, sheets, strip and wide flats:
— for nominal thicknesses t > 12 mm, standard 10 mm × 10 mm test pieces shall be machined in such a
way that one side is not further away than 2 mm from a rolled surface, see also Table A.1 footnote c;
— for nominal thicknesses t ≤ 12 mm, when test pieces with reduced widths are used, the largest width
possible has to be chosen, the minimum width shall be 5 mm;
— for nominal thickness t < 6 mm no impact tests are required.
5.4.2.2 Sections and profiles:
— for nominal thicknesses t > 12 mm, standard 10 mm × 10 mm test pieces shall be machined in such a
way that one side is not further away than 2 mm from a rolled surface;
— for nominal thicknesses ≤ 12 mm, when test pieces with reduced widths are used, the largest width
possible has to be chosen, the minimum width shall be 5 mm;
— for nominal thickness < 6 mm no impact tests are required.
5.4.2.3 Hollows and tubular piles:
— the orientation of the notch is perpendicular to the rolled surface;
— for specified thicknesses t > 12 mm, standard test pieces shall be machined in such a way that one
side is not further away than 2 mm from the outside surface;
— for specified thicknesses t ≤ 12 mm, when test pieces with reduced sections are used, the width shall
be ≥ 5 mm; the largest obtainable width shall be used. If test pieces of width 5 mm cannot be obtained
then the material need not be submitted to impact testing;
— impact tests are not required for specified thicknesses < 6,0 mm.
5.4.2.4 Bars and rod:
— for nominal diameter ≥ 16 mm (round cross section) or nominal thickness ≥ 12 mm (rectangular
cross section), standard 10 mm × 10 mm test pieces shall be machined;
— for nominal diameter < 16 mm (round cross section) or nominal thickness < 12 mm (rectangular
cross section) no impact tests are required.
5.4.2.5 Sheet piles:
— for nominal thicknesses t > 12 mm, standard 10 mm × 10 mm test pieces shall be machined in such a
way that one side is not farther away than 2 mm from a rolled surface;
— for nominal thicknesses t ≤ 12 mm, when test pieces with reduced widths are used, the largest width
possible has to be chosen, the minimum width shall be 5 mm.
5.5.3 Test method for the impact test
The impact test shall be carried out in accordance with EN ISO 148-1:2016 on test pieces with a V-notch
and using a striker with a radius of 2 mm (KV ).
Where subsize test pieces with less than 10 mm are used the minimum impact strength acceptance
criteria shall be reduced in direct proportion to the cross-sectional area of the test piece.
The result shall be determined as an average value obtained from one set of three test pieces (see also
EN 10021:2006).
The impact strength shall be expressed in J as the minimum impact strength at a given test temperature
(e.g. 0 °C, −20 °C or −50 °C).
5.6 Reduction of cross-sectional area
5.6.1 Selection of sample, location and orientation of test pieces
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area. So, the selection of
samples, location and orientation of test pieces is the same for elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area and is described under the
clause tensile yield strength/ 0,2% proof stress, see 5.2.1.
5.6.2 Preparation of test pieces for the tensile test
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area. So, the preparation of test
pieces for the tensile test is the same for elongation after fracture, tensile yield strength/ 0,2% proof
stress, ultimate tensile strength and cross-sectional area and is described under the clause tensile yield
strength/ 0,2% proof stress, see 5.2.2.
5.6.3 Test method for the tensile test
The tensile test provides results for the four characteristics elongation after fracture, tensile yield
strength/ 0,2% proof stress, ultimate tensile strength and cross-sectional area. So, the test method for
the tensile test provides values for elongation after fracture, tensile yield strength/ 0,2% proof stress,
ultimate tensile strength and cross-sectional area and is described under the clause tensile yield
strength/ 0,2% proof stress, see 5.2.3.
The reduction of cross-sectional area shall be expressed in %.
NOTE Regulators requested the inclusion of the essential characteristic reduction of cross-section area
because it is required for some applications. Declaration is only required in Member States requesting this
information.
5.7 Interlock resistance – Selection and preparation of samples and specimens and test
method
The interlock resistance test on straight web sheet piles, i.e. the general testing conditions, the selection
and preparation of samples and specimens and the test method shall be done in accordance with
EN 10379:2025.
The interlock resistance for straight web sheet piles shall be expressed in kN/m as a minimum value.
5.8 Resistance of crimped points – Selection and preparation of samples and specimens
and test method
The test on resistance of crimped points of U-shaped sheet piles, i.e. the general testing conditions, the
selection and preparation of samples and specimens and the test method shall be done in accordance
with EN 10379:2025.
The resistance of crimped points of U-shaped sheet piles shall be expressed in kN/crimped point as a
minimum value.
5.9 Reaction to fire
The reaction to fire shall be in accordance with the test requirements and classes as given in
EN 13501-1:2018. Constituent products of steel fall within Class A1 of the European classification with
respect to the reaction to fire and no further testing or documentation is required.
5.10 Environmental sustainability
5.10.1 Reference service life
For products off-the shelf, the reference service life s
...