oSIST prEN 14509-1:2021
(Main)Factory-made double skin metal faced insulating sandwich panels - Part 1: Self-supporting applications
Factory-made double skin metal faced insulating sandwich panels - Part 1: Self-supporting applications
This document specifies characteristics of factory-made double skin metal faced insulating sandwich panels for use in elements for self-supporting applications in roofs, in external and internal walls (including partitions) and in ceilings in buildings (hereafter sandwich panels).
The sandwich panels consist of two faces and insulating core either by using auto-adhesive bonding technique or by using a separate adhesive layer.
The face materials covered by this document are:
- steel,
- stainless steel,
- aluminium,
NOTE Aluminium covers aluminium alloys.
- copper.
The insulating cores covered by this document are:
- rigid polyurethane (PU) (see 3.1.15);
- expanded polystyrene (EPS) (see 3.1.13);
- extruded polystyrene foam (XPS) (see 3.1.14);
- phenolic foam (PF) (see 3.1.12);
- mineral wool (MW) (see 3.1.11).
For sandwich panels, the coating of faces is either organic and/or metallic coating.
This document specifies procedures for assessment and verification of constancy (AVCP) of performance of characteristics of sandwich panels.
This document does not cover the following:
- sandwich panels consisting of two or more clearly defined layers of different insulating cores (multi-layered);
- sandwich panels consisting of more than one metal sheet per face;
- curved sandwich panels;
- sandwich panels with perforated faces;
- fasteners and fixings;
- sandwich panels, placed on the market as a part of clean room kits, conditioning room kits, cold storage room kits and cold storage building envelope and building kits.
Werkmäßig hergestellte Sandwich-Elemente mit beidseitigen Metalldeckschichten - Teil 1: Selbsttragende Anwendungen
Dieses Dokument legt Merkmale von werkmäßig hergestellten Sandwichelementen mit beidseitigen Metalldeckschichten für die Verwendung in Elementen für selbsttragende Anwendung in Dächern, Innen- und Außenwänden (einschließlich Trennwänden) und in Decken in Gebäuden (im Folgenden: Sandwichelemente) fest.
Die Sandwichelemente bestehen aus zwei Deckschichten und einem Dämmkern, die entweder durch Selbstklebetechnik oder durch eine separate Klebeschicht miteinander verbunden sind.
Die in diesem Dokument behandelten Deckschichtwerkstoffe sind:
- Stahl;
- nichtrostender Stahl;
- Aluminium;
ANMERKUNG Aluminium umfasst auch Aluminiumlegierungen.
- Kupfer.
Die in diesem Dokument behandelten Dämmkerne sind:
- Polyurethan-Hartschaum (PU) (siehe 3.1.15);
- expandiertes Polystyrol (EPS) (siehe 3.1.13);
- extrudierter Polystyrol-Hartschaum (XPS) (siehe 3.1.14);
- Phenolharzschaum (PF) (siehe 3.1.12);
- Mineralwolle (MW) (siehe 3.1.11).
Die Deckschichten von Sandwichelementen sind organisch und/oder metallisch beschichtet.
Dieses Dokument legt Verfahren zur Bewertung und Überprüfung der Leistungsbeständigkeit (AVCP) der Merkmale von Sandwichelementen fest.
Dieses Dokument gilt nicht für:
- Sandwichelemente, die aus zwei oder mehr eindeutig festgelegten Schichten unterschiedlicher Dämmkerne bestehen (Mehrschicht-Produkte);
- Sandwichelemente, die aus mehr als einer Blechtafel pro Deckschicht bestehen;
- gekrümmte Sandwichelemente;
- Sandwichelemente mit perforierten Deckschichten;
- Verbindungselemente und Befestigungsmittel;
- Sandwichelemente, die als Teil von Sätzen für Reinräume, Konditionierungsräume, Kühlräume sowie Kühlhäuser und deren Gebäudehülle in Verkehr gebracht werden.
Panneaux sandwichs isolants double peau à parements métalliques manufacturés - Partie 1 : Applications autoportantes
Le présent document spécifie les caractéristiques des panneaux sandwiches manufacturés isolants double peau à parements métalliques destinés à être utilisés dans les éléments pour applications autoportantes dans les toitures, les parois extérieures et intérieures (y compris les cloisons) et les plafonds dans les bâtiments (ci-après dénommés panneaux sandwiches).
Les panneaux sandwiches sont composés de deux parements et d'une âme isolante, assemblés soit au moyen d'une technique de collage auto-adhésif ou à l'aide d'une couche de colle séparée.
Les matériaux de parement couverts dans le présent document sont :
- l'acier,
- l'acier inoxydable,
- l'aluminium,
NOTE « Aluminium » couvre les alliages d'aluminium.
- le cuivre.
Les âmes isolantes couvertes dans le présent document sont :
- le polyuréthane rigide (PU) (voir 3.1.15) ;
- le polystyrène expansé (EPS) (voir 3.1.13) ;
- la mousse de polystyrène extrudé (XPS) (voir 3.1.14) ;
- la mousse phénolique (PF) (voir 3.1.12) ;
- la laine minérale (MW) (voir 3.1.11).
Pour les panneaux sandwiches, le revêtement des parements peut être organique et/ou métallique.
Le présent document spécifie les procédures d'évaluation et de vérification de la constance (AVCP) des performances des caractéristiques des panneaux sandwiches.
Le présent document ne couvre pas ce qui suit :
- panneaux sandwiches comportant deux couches, ou plus, clairement définies de différentes âmes (multicouches) ;
- panneaux sandwiches comportant plus d'une tôle par parement ;
- panneaux sandwiches cintrés ;
- panneaux sandwiches à parement perforé ;
- attaches et fixations ;
- panneaux sandwiches, mis sur le marché comme composants de kits de salle blanche, kits de salle de conditionnement, kits de chambre d'entreposage frigorifique et kits d'enveloppe de bâtiment et de bâtiments d'entreposage frigorifique.
Tovarniško izdelane izolacijske sendvič plošče z obojestranskim kovinskim oplaščenjem - 1. del: Samonosilne
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 14509-1:2021
01-julij-2021
Tovarniško izdelane izolacijske sendvič plošče z obojestranskim kovinskim
oplaščenjem - 1. del: Samonosilne
Factory-made double skin metal faced insulating sandwich panels - Part 1: Self-
supporting applications
Werkmäßig hergestellte Sandwich-Elemente mit beidseitigen Metalldeckschichten - Teil
1: Selbsttragende Anwendungen
Panneaux sandwichs isolants double peau à parements métalliques manufacturés -
Partie 1 : Applications autoportantes
Ta slovenski standard je istoveten z: prEN 14509-1
ICS:
91.100.60 Materiali za toplotno in Thermal and sound insulating
zvočno izolacijo materials
oSIST prEN 14509-1:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
oSIST prEN 14509-1:2021
---------------------- Page: 2 ----------------------
oSIST prEN 14509-1:2021
DRAFT
EUROPEAN STANDARD
prEN 14509-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2021
ICS 91.100.60 Will supersede EN 14509:2013
English Version
Factory-made double skin metal faced insulating sandwich
panels - Part 1: Self-supporting applications
Panneaux sandwichs isolants double peau à parements Werkmäßig hergestellte Sandwich-Elemente mit
métalliques manufacturés - Partie 1 : Applications beidseitigen Metalldeckschichten - Teil 1:
autoportantes Selbsttragende Anwendungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 128.
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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14509-1:2021 E
worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
Contents Page
European foreword .5
Introduction .6
1 Scope .7
2 Normative references .8
3 Terms, definitions, symbols, subscripts and abbreviations .9
3.1 Terms and definitions .9
3.2 Symbols, subscripts and abbreviations . 11
3.2.1 Symbols . 11
3.2.2 Subscripts. 11
3.2.3 Abbreviations . 12
4 Characteristics . 12
4.1 Mechanical resistance . 12
4.1.1 General . 12
4.1.2 Characteristics of metal faces . 13
4.1.3 Shear strength (f ) for short-term loading . 15
Cv
4.1.4 Shear modulus (G ) for short-term loading . 15
c
4.1.5 Creep coefficient (φ ) . 16
t
4.1.6 Compressive strength (f ) . 16
Cc
4.1.7 Compressive modulus (E ) . 16
Cc
4.1.8 Shear strength after long-term loading (f ) . 16
Cv long-term
4.1.9 Cross panel tensile strength (f ) . 17
Ct
4.1.10 Cross panel tensile modulus (E ) . 17
Ct
4.1.11 Wrinkling strength (σ ) . 17
w
4.1.12 Wrinkling strength at elevated temperature (σ ) . 17
wT
4.1.13 Wrinkling strength over a central support (σ ) . 18
ws
4.1.14 Wrinkling strength over a central support at elevated temperature (σ ). 18
wsT
4.1.15 Stress distribution factor over a support (k) . 18
4.2 Thermal transmittance . 18
2
---------------------- Page: 4 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
4.3 Reaction to fire . 18
4.4 Resistance to fire . 19
4.5 External fire performance – roofs . 19
4.6 Dimensional tolerances . 20
4.7 Water permeability . 21
4.7.1 Water permeability of the product . 21
4.7.2 Water permeability of a joint. 22
4.8 Air permeability . 22
4.8.1 Air permeability of the product . 22
4.8.2 Air permeability of a joint . 22
4.9 Water vapour permeability . 22
4.9.1 Water vapour permeability of the product . 22
4.9.2 Water vapour permeability of a joint . 22
4.10 Airborne sound insulation (R (C;C )) . 23
w tr
4.11 Sound absorption (α ) . 23
w
4.12 Durability . 23
4.12.1 General . 23
4.12.2 Reduction of cross panel tensile strength . 23
4.12.3 Resistance to access loads . 26
4.12.4 Corrosion resistance . 26
5 Assessment and verification of constancy of performance - AVCP . 27
5.1 General . 27
5.2 Assessment of performance . 27
5.2.1 General . 27
5.2.2 Test samples, testing and assessment criteria . 28
5.3 Verification of constancy of performance . 30
5.3.1 Factory Production Control (FPC) . 30
5.3.2 Initial inspection of factory and of FPC . 32
3
---------------------- Page: 5 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
5.3.3 Continuous surveillance of FPC . 32
Annex ZA (informative) Relationship of this European Standard with Regulation (EU)
No.305/2011 . 34
Bibliography . 41
4
---------------------- Page: 6 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
European foreword
This document (prEN 14509-1:2021) has been prepared by Technical Committee CEN/TC 128 “Roof
covering products for discontinuous laying and products for wall cladding”, the secretariat of which is
held by NBN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 14509:2013 together with prEN 14509-3:2021 and
prEN 14509-5:2021.
EN 14509:2013 is completely revised.
This document has been prepared under two standardization requests given to CEN by the European
Commission and the European Free Trade Association.
For relationship with Regulation (EU) No.305/2011 on construction products (CPR), see informative
Annex ZA, which is an integral part of this document.
5
---------------------- Page: 7 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
Introduction
In FprEN 14509-2:2020, the rules on assessment of performance for structural use are given, as this
standard is for use as self-supporting panels.
The clarification of which application is self-supporting is given by national provisions.
In prEN 14509-3:2021, methods for the determination of characteristics given in this document are
given.
In EN 14509-4:2020, methods for the determination of fixing performance of panels and restraining
effect on substructures are given.
In EN 14509-5:2020, design rules and criteria for combing actions and spans are given.
6
---------------------- Page: 8 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
1 Scope
This document specifies characteristics of factory-made double skin metal faced insulating sandwich
panels for use in elements for self-supporting applications in roofs, in external and internal walls
(including partitions) and in ceilings in buildings (hereafter sandwich panels).
The sandwich panels consist of two faces and insulating core either by using auto-adhesive bonding
technique or by using a separate adhesive layer.
The face materials covered by this document are:
— steel,
— stainless steel,
— aluminium,
NOTE Aluminium covers aluminium alloys.
— copper.
The insulating cores covered by this document are:
— rigid polyurethane (PU) (see 3.1.15);
— expanded polystyrene (EPS) (see 3.1.13);
— extruded polystyrene foam (XPS) (see 3.1.14);
— phenolic foam (PF) (see 3.1.12);
— mineral wool (MW) (see 3.1.11).
For sandwich panels, the coating of faces is either organic and/or metallic coating.
This document specifies procedures for assessment and verification of constancy (AVCP) of
performance of characteristics of sandwich panels.
This document does not cover the following:
— sandwich panels consisting of two or more clearly defined layers of different insulating cores (multi-
layered);
— sandwich panels consisting of more than one metal sheet per face;
— curved sandwich panels;
— sandwich panels with perforated faces;
— fasteners and fixings;
— sandwich panels, placed on the market as a part of clean room kits, conditioning room kits, cold
storage room kits and cold storage building envelope and building kits.
7
---------------------- Page: 9 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
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 485-2:2016+A1:2018, Aluminium and aluminium alloys — Sheet, strip and plate — Part 2: Mechanical
properties
EN 485-4:1993, Aluminium and aluminium alloys — Sheet, strip and plate — Part 4: Tolerances on shape
and dimensions for cold-rolled products
EN 1172:2011, Copper and copper alloys — Sheet and strip for building purposes
EN 1396:2015, Aluminium and aluminium alloys — Coil coated sheet and strip for general applications —
Specifications
EN 10088-1:2014, Stainless steels — Part 1: List of stainless steels
EN 10143:2006, Continuously hot-dip coated steel sheet and strip — Tolerances on dimensions and shape
EN 10346:2015, Continuously hot-dip coated steel flat products for cold forming — Technical delivery
conditions
EN 13165:2012+A2:2016, Thermal insulation products for buildings — Factory made rigid polyurethane
foam (PU) products — Specification
EN 13501-1:2018, Fire classification of construction products and building elements — Part 1:
Classification using data from reaction to fire tests
EN 13501-2:2016, Fire classification of construction products and building elements — Part 2:
Classification using data from fire resistance tests, excluding ventilation services
EN 13501-5:2016, Fire classification of construction products and building elements — Part 5:
Classification using data from external fire exposure to roofs tests
prEN 14509-3:2021, Factory made double skin metal faced insulating sandwich panels — Part 3: Test
methods for determining mechanical strength, building physical behaviour and durability
EN 15254-5:2018, Extended application of results from fire resistance tests — Non-loadbearing walls —
Part 5: Metal sandwich panel construction
EN 15254-7:2018, Extended application of results from fire resistance tests — Non-loadbearing ceilings
— Part 7: Metal sandwich panel construction
EN ISO 6892-1:2019, Metallic materials — Tensile testing — Part 1: Method of test at room temperature
(ISO 6892-1:2019)
EN ISO 9445 (all parts:2010, Continuously cold-rolled stainless steel — Tolerances on dimensions and form
(ISO 9445)
CEN/TS 1187:2012, Test methods for external fire exposure to roofs
8
---------------------- Page: 10 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
3 Terms, definitions, symbols, subscripts and abbreviations
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1.1
auto-adhesion
self-adhesion of the core to the face(s) occurring automatically without the use of an adhesive
Note 1 to entry: This technique is used by producing panels by foaming.
3.1.2
bond
adhesion between the face(s) and the core
3.1.3
core
layer of material, having insulating properties, which is bonded between two metal faces
Note 1 to entry: Panels with special edge details in the longitudinal joints may utilize different core materials
from the main insulating core (e.g. for improved fire performance) if these edge details have no influence on the
mechanical performance of the panel.
3.1.4
edge
side of the panel where adjacent panels join together in the same plane
3.1.5
face
flat, lightly profiled or profiled thin metal sheet bonded to the core
3.1.6
flat face
face without any rolled or pressed profile, or raised strengthening rib
3.1.7
incompletely bonded face
metal face whose bond to the core is adequate for sandwich action but does not include the entire
surface of the core
Note 1 to entry: An example is a trapezoidally profiled face that has voids between the raised profiles and the
core.
3.1.8
incompletely bonded panel
panel in which one or both faces are incompletely bonded
3.1.9
joint
interface between two panels where the meeting edges have been designed to allow the panels to join
together in the same plane
Note 1 to entry: The joint may incorporate interlocking parts that enhance the mechanical properties of the
system as well as improving the thermal, acoustic and fire performance and restrict air movement.
9
---------------------- Page: 11 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
Note 2 to entry: The term 'joint' does not refer to a junction between cut panels or a junction where the panels
are not installed in the same plane.
3.1.10
lamella
core material consisting of mineral wool that has been cut and orientated with the fibres perpendicular
to the faces prior to bonding
3.1.11
lightly profiled face
face with a rolled or pressed profile not exceeding 5 mm in depth
3.1.12
mineral wool (MW)
insulating wool produced from molten stone, slag or glass
[SOURCE: EN 13162:2012+A1:2015]
3.1.13
phenolic foam (PF)
insulating foam produced from PF
[SOURCE: EN 13166:2012+A2:2016]
3.1.14
expanded polystyrene (EPS)
insulating foam produced from EPS
[SOURCE: EN 13163:2012+A2:2016]
3.1.15
extruded polystyrene foam (XPS)
insulating foam produced from XPS
[SOURCE: EN 13164:2012+A1:2015]
3.1.16
polyurethane (PU)
insulating rigid foam produced from PUR or PIR
[SOURCE: EN 13165:2012+A2:2016]
3.1.17
pre-manufactured
component or material that is supplied to the manufacturer ready for direct incorporation into the
sandwich panel
3.1.18
shift
period of production during a working day, normally 6 h to 8 h but can be less
3.1.19
wrinkling strength
strength representing the characteristic value of wrinkling stress at the moment of failure load
10
---------------------- Page: 12 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
3.2 Symbols, subscripts and abbreviations
For the purposes of this document, the following symbols, subscripts and abbreviations apply.
3.2.1 Symbols
D overall thickness of the panel
E modulus of elasticity
G shear modulus
L length of span,
length of measurement
R sound reduction index (R ),
w
strength,
load bearing capacity
T temperature
U thermal transmittance
b width of rib and valley in metal face profile
d depth,
continuous depth of core d ,
C
depth of stiffener d
s
f strength
h depth of metal face profile
k stress distribution factor over support,
relation between strength after ageing and initial strength
m mass
t thickness of face sheet
w cover width
x, y, z coordinates
α sound absorption (α ),
w
λ thermal conductivity,
λ (design value),
Design
φ creep coefficient
σ wrinkling strength
3.2.2 Subscripts
C core
D expressed thermal conductivity (λ )
D
c compression,
d design,
expressed thermal transmittance including the influence of the joints U
d,S
k characteristic
11
---------------------- Page: 13 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
m mean
s support
stiffener
t tensile,
tension,
time
T temperature
tr traffic (Ctr)
v shear
w wrinkling (σw),
weighted (Rw)
0 basic value,
time (e.g. t = 0)
3.2.3 Abbreviations
AVCP assessment and verification of constancy of performance
CEN European Committee for Standardization
CWT classified without testing
EN European standard
EPS expanded polystyrene
FPC factory production control
ISO International Organisation for Standardization
MW mineral wool (covers stone wool and glass wool)
PCS gross calorific potential
PE Polyester coating
PU rigid polyurethane foam (covers also PIR)
PF phenolic foam
XPS extruded polystyrene foam
4 Characteristics
4.1 Mechanical resistance
4.1.1 General
Mechanical resistance of the sandwich panels consists of the following proxy characteristics:
— characteristics of metal faces (as specified in 4.1.2)
- yield strength
- nominal thickness
- tolerances of thickness
— shear strength for short term loading (as specified in 4.1.3)
— shear modulus for short term loading (as specified in 4.1.4)
12
---------------------- Page: 14 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
— creep coefficients (not relevant for wall applications) (as specified in 4.1.5)
— compressive strength (as specified in 4.1.6)
— compressive modulus (as specified in 4.1.7)
— shear strength after long-term loading (not relevant for wall applications) (as specified in 4.1.8)
— cross panel tensile strength (as specified in 4.1.9)
— cross panel tensile modulus (as specified in 4.1.10)
— wrinkling strength (as specified in 4.1.11)
— wrinkling strength in elevated temperature (as specified in 4.1.12)
— wrinkling strength over a central support (not relevant for single span panels)(as specified in
4.1.13)
— wrinkling strength over support in elevated temperature (as specified in 4.1.14)
(not relevant for single span panels)
— stress distribution parameter k on support (as specified in 4.1.15)
The values to be expressed shall be given with two significant digits.
4.1.2 Characteristics of metal faces
4.1.2.1 Yield strength
a) Steel faces
4.1.2.1.a Steel faces (other than stainless steel) shall be steel according to EN 10346:2015,
Table 2.
4.1.2.1.b The yield strength shall have a minimum value of 220 MPa.
4.1.2.1.c Performance shall be jointly expressed as indication of the used steel grade.
EXAMPLE S250GD.
b) Stainless steel faces
4.1.2.1.d Stainless steel faces shall be steel according to EN 10088-1:2014, Clause 4.
4.1.2.1.e The yield strength shall have a minimum value of 220 MPa.
4.1.2.1.f Performance shall be expressed as indication of the used stainless steel grade together
with the value of the yield strength [MPa].
EXAMPLE EN 1.4301 (230)
c) Aluminium faces
4.1.2.1.g The chemical composition, temper and mechanical properties of aluminium faces shall
be according to EN 485-2:2016+A1:2015, Clause 4 for non-coated sheet and EN 1396:2015, Clause 5 for
coil coated sheet.
4.1.2.1.h The yield strength (0,2 %-strain limit) strength shall have a minimum value of 140 MPa.
13
---------------------- Page: 15 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
4.1.2.1.i Performance shall be expressed as indication of the used aluminium alloy designation
code together with the value of the yield strength [MPa].
EXAMPLE Alloy EN AW-5454 (180).
d) Copper faces
4.1.2.1.j The chemical composition, temper, mechanical properties of copper faces shall be
according to EN 1172:2011, Table 2.
4.1.2.1.k The yield strength (0,2 %-strain limit) shall have a minimum value of 140 MPa.
4.1.2.1.l Performance shall be expressed as indication of the used copper number / material
condition together with the value of the yield strength [MPa].
EXAMPLE CW024A / R240 (140).
4.1.2.2 Nominal thickness
a) Steel faces
The nominal thickness of steel face shall be measured according to EN 10143:2006, Clause 6
and the performance expressed as indication of the value in millimetres.
b) Stainless steel faces
The nominal thickness of stainless steel face shall be determined in accordance with
EN ISO 9445-2:2010, Clause 7 and the performance expressed as indication of the value in millimetres.
c) Aluminium faces
The nominal thickness of aluminium face shall be determined in accordance with EN 485-4:1993,
Table 1 and the performance expressed as indication of the value in millimetres.
d) Copper faces
The nominal thickness of copper face shall be determined in accordance with EN 1172:2011, Table 3
and the performance expressed as indication of the value in millimetres.
4.1.2.3 Tolerances of thickness
a) Steel faces
Tolerances of thickness of steel face shall be measured according to EN 10143:2006, Clause 6.
Tolerances on thickness shall be expressed as indication of “special” or “normal” as described in
EN 10143:2006, Clause 6.
b) Stainless steel faces
Tolerances of thickness of stainless steel face shall be measured according to EN ISO 9445-2:2010.
Tolerances on thickness shall be expressed as indication of “special” or “normal” as described in
EN ISO 9445-2:2010, Table 1.
c) Aluminium faces
Tolerances of thickness of aluminium face shall be measured according to EN 485-4:1993, Table 1 and
shall be expressed as indication of the group of alloy “I” or “II”.
14
---------------------- Page: 16 ----------------------
oSIST prEN 14509-1:2021
prEN 14509-1:2021 (E)
d) Copper faces
Tolerances of thickness of copper face shall be measured according to EN 1172:2011, Table 3 and shall
be expressed as indication “criterion met”.
4.1.3 Shear strength (f ) for short-term loading
Cv
4.1.3.1 The shear strength for short-term loading shall be determined according to the procedure
in prEN 14509-3:2021, 4.3 (shear beam) considering this as a reference method; alternatively, the
procedure specified in prEN 14509-3:2021, 4.4 (complete panel) may be used (see Table 1).
NOTE 1 The results of the tests with complete panels gives the same or better values than those with the shear
beam.
NOTE 2 When using the shear beam method for panels with profiled faces, then the design method in
prEN 14509-5:2021, 4.8 can be used.
Table 1—Determination of shear strength and shear modulus for short-term loading
Method for calculation of test results
Test setup
(see relevant clause in
(see relevant
prEN 14509-3:2021 below)
Face geometry clause in Comments
Shear strength Shear modulus
prEN 14509-3:20
for short-term for short-term
21 below)
loading loading
Reference method.
May be used in all
Flat or lightly 4.3 – point loads
4.3.5 4.3.5 situations unless
profiled faces (shear beam)
practical criteria
dictate otherwise.
4.4.5.2 and
All geometries 4.4.5.2
4.4 – point loads 4.3.5.2
(complete Alternative to 4.3.
One or both faces
panel)
4.4.5.3 4.4.5.3
profiled
4.4 – Vacuum
All geometries 4.4.5.4 4.4.5.4
chamber or air
Alternative to the
bag loading
use of point loads
One or both faces
(complete
4.4.5.5 4.4.5.5
profiled
panel)
4.1.3.2 The performance of the shear strength for short-term loading of the sandwich panel shall be
expressed as indication of the characteristic value in megapascals (MPa) together with test setup (shear
beam or complete panel).
EXAMPLE f = 0,053 MPa (shear beam).
Cv
4.1.4 Shear modulus (G ) for short-term loading
c
4.
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.