oSIST prEN 10205:2023

SLOVENSKI STANDARD
oSIST prEN 10205:2023
01-september-2023
Hladno valjani jekleni izdelki za embalažo - Črna pločevina
Cold reduced tinmill products - Blackplate
Kaltgewalzte Verpackungsblecherzeugnisse - Feinstblech
Aciers pour emballage laminés à froid - Fer noir
Ta slovenski standard je istoveten z: prEN 10205
ICS:
55.040 Materiali in pripomočki za Packaging materials and
pakiranje accessories
77.140.50 Ploščati jekleni izdelki in Flat steel products and semi-
polizdelki products
oSIST prEN 10205:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 10205:2023

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oSIST prEN 10205:2023


DRAFT
EUROPEAN STANDARD
prEN 10205
NORME EUROPÉENNE

EUROPÄISCHE NORM

July 2023
ICS 77.140.20; 77.140.50 Will supersede EN 10205:2016
English Version

Cold reduced tinmill products - Blackplate
Aciers pour emballage laminés à froid - Fer noir Kaltgewalzte Verpackungsblecherzeugnisse -
Feinstblech
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 459/SC 9.

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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 10205:2023 E
worldwide for CEN national Members.

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oSIST prEN 10205:2023
prEN 10205:2023 (E)
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Classification and designation . 7
4.1 Classification. 7
4.2 Designation . 8
5 Information to be supplied by the purchaser . 8
5.1 Mandatory information . 8
5.2 Options . 8
5.3 Ordering example . 9
6 Steelmaking process . 9
6.1 General. 9
6.2 Annealing . 9
6.3 Product traceability . 9
6.4 Mill edges/trimmed edges . 9
6.5 Surface characteristics . 9
6.6 Oiling . 10
6.7 Discontinuities . 11
7 Mechanical properties . 11
7.1 General. 11
7.2 Mechanical properties of blackplate . 11
8 Tolerances on dimensions and shape . 13
8.1 Linear dimensions . 13
8.2 Shape . 13
9 Welds within a coil . 14
10 Inspection and Sampling . 14
10.1 Testing procedures and types of documents . 14
10.2 Frequency of testing and sampling. 14
10.3 In case of dispute . 15
11 Test methods . 15
11.1 General. 15
11.2 Tensile test measurement . 16
11.3 Tolerances on dimensions and shape . 20
12 Retests . 23
13 Marking . 23
14 Dispatch and packaging . 23
14.1 Coil dispatch . 23
14.2 Pallet dimensions . 24
Annex A (informative) The Rockwell Hardness test for routine determination . 25
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A.1 General . 25
A.2 Test pieces . 25
A.3 Test method . 25
A.4 Hardness for blackplate products . 27
Annex B (informative) List of corresponding former designations . 28
Annex C (informative) The springback test for routine determination of proof strength for
double reduced material. 29
C.1 General . 29
C.2 Principle . 29
C.3 Test pieces . 29
C.4 Test method . 29
Annex D (normative) Tensile testing conditions in case of dispute . 30
D.1 General . 30
D.2 Tensile test piece dimensions . 30
D.3 Elongation measurement. 30
D.4 Testing velocity . 30
Annex E (informative) Indicative tensile strength of blackplate products . 32
Bibliography . 33

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oSIST prEN 10205:2023
prEN 10205:2023 (E)
European foreword
This document (prEN 10205:2023) has been prepared by Technical Committee CEN/TC 459/SC 9
“Coated and uncoated flat products to be used for cold forming”, the secretariat of which is held by
AFNOR.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 10205:2016.
The main changes compared to the previous edition are listed below:
— the scope and the normative references have been modified;
— the definition “anvil effect” has been deleted;
— Annexes C, D and E have been added;
— the bibliography has been modified.
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oSIST prEN 10205:2023
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1 Scope
This document specifies requirements for blackplate product in the form of coils intended for direct use
and mostly for the production of electrolytically zinc coated plate, or coils electrolytically coated with
either tin (tinplate) or chromium/chromium oxide (ECCS or ECCS-RC).
Blackplate can be a single or double reduced product and is specified in nominal thicknesses that are
multiples of 0,005 mm from typical 0,10 mm up to 0,60 mm.
This document applies to coils in nominal minimum widths of 600 mm.
In addition to this document, the general technical delivery conditions of EN 10021 apply.
NOTE Standard width coils for specific uses, e.g. tab stock, can be slit into narrow strip for supply in coil form.
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 10204:2004, Metallic products - Types of inspection documents
EN ISO 6892-1:2019, Metallic materials - Tensile testing - Part 1: Method of test at room temperature (ISO
6892-1:2019)
EN 10334, Steel for packaging - Flat steel products intended for use in contact with foodstuffs, products
and beverages for human and animal consumption - Non-coated steel (blackplate)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
3.1
single reduced blackplate
blackplate which has been reduced to the desired thickness in a cold-reduction mill and subsequently
annealed and temper rolled mostly without a water-based lubricant
3.2
double reduced blackplate
blackplate which has been reduced to the desired thickness in a cold-reduction mill and subsequently
annealed and temper rolled mostly with the help of a water-based lubricant to achieve a higher gauge
reduction often in excess of 5 %
3.3
temper rolling
secondary rolling process to obtain desired roughness and mechanical properties
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3.4
standard grade
material that, having passed line inspection, is suitable under normal conditions of storage, not
containing any defect that renders the material unsuitable for its intended use
3.5
batch (box) annealing
BA
process in which the cold reduced strip is heated in tight coil form, within a controlled atmosphere, for
a pre-determined time/temperature cycle
3.6
continuous annealing
CA
process in which cold reduced coils are unwound and heated in strip form within a controlled
atmosphere for a pre-determined time/temperature cycle
3.7
surface appearance
surface appearance of blackplate products determined by the surface characteristics of the steel
3.8
finish
finish of blackplate products determined by roughness average (Ra) and appearance of the surface of
the blackplate resulting from controlled preparation of the work rolls used for the final stages of rolling
3.8.1
bright finish
finish resulting from the use of temper mill work rolls that have been ground to a high degree of polish
3.8.2
stone finish
finish characterized by a directional pattern, resulting from the use of final mill work rolls that have
been ground to a lower degree of polish than those used for the bright finish
3.8.3
matt
finish resulting from the use of temper mill work rolls with surface textured by shot blast, electro
discharge texturing (EDT), electron beam texturing (EBDT) or another similar method
3.9
coil
rolled flat strip product which is wound into regularly superimposed laps
3.10
longitudinal bow
residual curvature in the strip remaining along the direction of rolling
3.11
transverse bow
mode of curvature in the sheet such that the distances between its edges parallel to the rolling direction
is less than the sheet width
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3.12
centre fullness
intermittent vertical displacement occurring other than at the edge of the sheet or coil when the
material is laid on a flat horizontal surface
3.13
edge camber
deviation of the coil from a straight line forming its chord
3.14
edge wave
intermittent vertical displacement occurring at the edge of a sheet or a sample from a coil when laid on
a flat horizontal surface
3.15
feather edge
variation in thickness, characterized by a reduction of thickness close to the edges, at right angles to the
rolling direction
3.16
burr
metal displaced beyond the plane of the surface of the strip by shearing action
Note 1 to entry: Blackplate is usually supplied with cut edges. Blackplate will then have burrs caused by cutting.
3.17
rolling width
width of the strip perpendicular to the rolling direction
3.18
consignment
quantity of material of the same specification made available for dispatch at the same time
3.19
pallet
base platform on which a coil is placed to facilitate ready transportation
3.20
line inspection
final inspection of the finished product performed by instruments and/or by visual examination at
normal production line speeds
3.21
mill edge
un-trimmed edge therefore leading to higher width tolerances
4 Classification and designation
4.1 Classification
The classification of the relevant steel grades is in accordance with EN 10020. Steel grades for cold
reduced blackplate for the manufacturing of tinplate or ECCS are generally classified as non-alloy
quality steels, but in some cases low-alloy quality steels can be encountered.
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4.2 Designation
For the steel grades covered by this document, the steel names as given in the relevant tables are
allocated in accordance with EN 10027-1. TS grades are batch annealed grades and TH grades are
continuous annealed grades. The steel numbers as given in the relevant tables are allocated in
accordance with EN 10027-2.
5 Information to be supplied by the purchaser
5.1 Mandatory information
The following information shall be given by the purchaser on the enquiry and order to assist the
manufacturer in supplying the correct material:
a) quantity expressed in length or mass;
b) description of the material (blackplate coil);
c) dimensions (thickness and width);
d) edge condition, see 6.4 (T for trimmed edges and M for mill edges);
e) number of this document (prEN 10205);
f) steel name or steel number (see Table 3);
g) appearance (see 6.5);
h) finish (see 6.5);
i) surface condition (oiling), see 6.6;
j) intended use of the material e.g. stamping, drawing, beading, bending and assembly work such as.
joint forming, soldering and welding, surface coating (metallic and organic coating);
k) dispatch and packaging conditions (see Clause 14), e.g. inner diameter of coils, coil winding
direction, maximum and minimum mass and/or outside diameter of coils;
l) if required, standard designation for a test report 2.2 or an inspection certificate 3.1 or 3.2 in
accordance with EN 10204:2004 (see 10.1).
5.2 Options
In addition to the information in 5.1, the purchaser shall provide further information to the supplier to
ensure that the order requirements are consistent with the end use of the product.
It is generally recommended that supplier and purchaser agree on the best product specifications to fit
the targeted use and other requirements. Eventually, the purchaser is responsible for the product
designation in the order.
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5.3 Ordering example
a) Example 1: 5 t blackplate coil, thickness 0,22 mm, rolling width 800 mm with trimmed edges in
accordance with this document of steel grade TS275, appearance A, stone finish with test report 2.2
according to EN 10204:2004 shall be designated:
1) 5 t blackplate coil 0,22 × 800 EN 10205-TS275-A-ST, EN 10204:2004 – 2.2;
2) 5 t blackplate coil 0,22 × 800 EN 10205-1.0375-A-ST, EN 10204:2004 – 2.2.
b) Example 2: 5 t blackplate coil, thickness 0,18 mm, rolling width 750 mm with trimmed edges in
accordance with this document of steel grade TH620, appearance B, stone finish, with inspection
certificate 3.1 according to EN 10204:2004 shall be designated:
1) 5 t blackplate coil 0,18 × 750 EN 10205-TH620-B-ST, EN 10204:2004 – 3.1;
2) 5 t blackplate coil 0,18 × 750 EN 10205-1.0374-B-ST, EN 10204:2004 – 3.1.
NOTE The designation does not cover variations in all material properties.
6 Steelmaking process
6.1 General
The steelmaking process is under the responsibility of the manufacturer with the exception that the
steel is continuously cast. All steels shall be fully killed.
The purchaser should be informed of any change made to the method of manufacture if the
manufacturer suspects that the change can affect the ordered end use of the product.
The choice of a suitable physical or chemical analytical method for the analysis shall be at the discretion
of the manufacturer. For product analysis the relevant existing European or International Standards
should be taken into account.
If the product is ordered for food contact, the product should be manufactured in accordance with food
safety regulations. The steel shall be manufactured in accordance with EN 10334. If the product is not
ordered for food contact, a different steelmaking process may be agreed between manufacturer and
purchaser.
The purchaser shall inform the manufacturer about all relevant regulations which can influence the
manufacturing of the product.
6.2 Annealing
Annealing for blackplate products shall be either batch annealing or continuous annealing.
6.3 Product traceability
Each product shall be traceable to the cast.
6.4 Mill edges/trimmed edges
If not specified otherwise at the time of enquiry and order the products shall be delivered with trimmed
edges.
6.5 Surface characteristics
Surface characteristics concern surface appearance (see Table 1) and surface finish (see Table 2).
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It is recommended that the purchaser and the supplier come to an agreement on surface appearance
and finish, however if not specified at the time of enquiry and order, the material shall be delivered with
surface appearance B and surface finish stone.
Table 1 — Surface appearance
Symbol Characteristics
A Bright, metallically clean surface. Pitting, small defects and scratches are
permitted.
B Bright, metallically clean surface. Pitting, grooves, and scratches are permitted as
long as the uniform smooth appearance is not substantially impaired when
viewed with the naked eye.
C Bright, metallically clean surface. Pitting, grooves, and scratches are permitted as
long as the uniform smooth appearance of the mirror surface is not impaired.
Table 2 — Surface finish
Surface finish Code Normal surface
roughness, R , µm
a
Bright BT ≤ 0,35
Fine stone FS 0,25 to 0,45
Stone ST 0,35 to 0,60
Matt MM ≥ 0,90
NOTE For guidance on the measurement of surface roughness, refer to EN ISO 4288.
6.6 Oiling
To avoid corrosion blackplate shall normally be supplied with a sufficient layer of suitable, non-mineral,
protective oil. The oil shall be removed by an adequate inline cleaning process before any subsequent
coating.
Blackplate is normally supplied oiled on both sides.
The selection of oils and the oiling quantity may be the subject of a separate agreement.
If blackplate is temper rolled with a water based lubricant the blackplate is deemed suitable for
immediate further processing without further inline cleaning.
If the blackplate is to be supplied in the as-rolled condition, or without oil, there is an increased risk of
scratching and rust formation during transportation and storage.
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6.7 Discontinuities
The production of blackplate coils in continuous-strip mill operations does not allow the opportunity
for the removal of all surface defects. However, the manufacturer shall ensure that in coils according to
this document at least 90 % of the coil can be used for the intended further processing, free from
surface defects which render the material unsuitable for the intended use:
— free from damage which render the material unsuitable for intended use;
— compliant to the requirements as specified in this document.
7 Mechanical properties
7.1 General
For the purposes of this document, blackplate is classified based on tensile properties as given in
Table 3.
Individual mechanical properties can significantly influence the performance of blackplate in
processing and subsequent intended use and will vary depending on the steel type and the methods of
casting, annealing and skin passing employed.
For the purpose of this document the tensile test is the reference method for the determination of the
mechanical properties. In cases of dispute, a tensile test shall be performed.
The mechanical properties of the blackplate determined by the means of the tensile test are used for the
classification shown in Table 3.
The tensile test method is reported in 11.1.
7.2 Mechanical properties of blackplate
When tested in accordance with Clause 11, the mechanical properties shall be as given in Table 3. For
the indication of the mechanical properties the Rockwell hardness test can also be performed (see
Annex A).
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Table 3 — Mechanical properties of blackplate products
Designation Proof strength, Rp0,2, for BA-material or lower
yield strength, R , for CA-material
eL
Nominal value Tolerance
Steel grade Steel number
MPa MPa
TS230 1.0371 230 ±50
TS245 1.0372 245 ±50
TS260 1.0379 260 ±50
TS275 1.0375 275 ±50
TS290 1.0381 290 ±50
TS340 1.9336 340 ±50
TS480 1.9337 480 ±50
TS520 1.9338 520 ±50
TS550 1.0385 550 ±50
TH330 1.9331 330 ±50
TH360 1.9332 360 ±50
TH415 1.0377 415 ±50
TH435 1.0378 435 ±50
TH460 1.9333 460 ±50
TH480 1.9334 480 ±50
TH520 1.0384 520 ±50
TH550 1.0373 550 ±50
TH580 1.0382 580 ±50
TH620 1.0374 620 ±50
TH650 1.9335 650 ±50
Batch annealed grades should be designated with the prefix “TS”. Continuous annealed grades should
be designated with the prefix “TH”.
For batch annealed material, R 0,2 should comply with the given values. For continuous annealed
p
material, R should comply with the given values. For special cases defined in 11.3.6, other strength
eL
parameters should be used.
NOTE 1 Table 3 represents the grades in common use. Other grades can be agreed between supplier and
customer.
NOTE 2 The deviation of ± 50 MPa shown in Table 3 represents the normal range within the specified grades,
other deviations can be agreed between supplier and customer.
NOTE 3 Normative Annex D gives testing conditions in case of dispute.
NOTE 4 Informative Annex E gives indicative tensile strength values.
Some end uses can require enhanced properties compared to the standard grades, e.g. high elongation,
low earing. These should be discussed and agreed between supplier and customer.
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8 Tolerances on dimensions and shape
8.1 Linear dimensions
8.1.1 Thickness
The thickness of the material shall conform to the following:
a) the deviation from the agreed thickness measured at the centre line of the strip shall not
exceed ± 5 %;
b) the deviation from the agreed thickness measured at any point from at least 6 mm of the mill
trimmed edge shall be within +5 % to – 8 %;
c) the average thickness shall not deviate from the nominal thickness by more than ± 2 % for
consignments comprising more than 10 000 m (or corresponding number of sheets).
The test method is reported in 11.3.2.
8.1.2 Feather edge
The thickness when measured at a distance of 6 mm from the trimmed edge shall not vary by more than
6 % from the centre thickness measured perpendicularly to the trimmed edge.
The test method is reported in 11.3.3.
8.1.3 Width
The coil width of blackplate with mill edges shall not differ from the ordered dimension, by more than
+9/-0 mm.
The coil width of blackplate with trimmed
...