Bsi bs en 00485 4 1994 (1998)

BRITISH STANDARD

Aluminium and
aluminium alloys —
Sheet, strip and plate —
Part 4: Tolerances on shape and
dimensions for cold-rolled products

The European Standard EN 485-4:1993 has the status of a
British Standard

UDC 669.71-41-122.2:669.715.018.26

BS EN
485-4:1994


BS EN 485-4:1994

Cooperating organizations
The European Committee for Standardization (CEN), under whose supervision
this European Standard was prepared, comprises the national standards
organizations of the following countries:

This British Standard, having
been prepared under the
direction of the Non-ferrous
Metals Standards Policy
Committee, was published
under the authority of the
Standards Board and comes

into effect on
15 January 1994
© BSI 12-1998
The following BSI references
relate to the work on this
standard:
Committee reference NFM/35
Draft for comment 91/40616 DC
ISBN 0 580 21703 5

Austria

Oesterreichisches Normungsinstitut

Belgium

Institut belge de normalisation

Denmark

Dansk Standardiseringsraad

Finland

Suomen Standardisoimisliito, r.y.

France

Association franỗaise de normalisation

Germany

Deutsches Institut fỹr Normung e.V.

Greece

Hellenic Organization for Standardization

Iceland

Technological Institute of Iceland

Ireland

National Standards Authority of Ireland

Italy

Ente Nazionale Italiano di Unificazione

Luxembourg

Inspection du Travail et des Mines

Netherlands

Nederlands Normalisatie-instituut

Norway

Norges Standardiseringsforbund

Portugal

Instituto Portugs da Qualidade

Spain

Asociación Espola de Normalización y Certificación

Sweden

Standardiseringskommissionen i Sverige

Switzerland

Association suisse de normalisation

United Kingdom

British Standards Institution

Amendments issued since publication
Amd. No.

Date

Comments

BS EN 485-4:1994

Contents

© BSI 12-1998

Cooperating organizations
National foreword

Page
Inside front cover
ii

Foreword
Text of EN 485-4
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

2
3
Inside back cover
Inside back cover

i


BS EN 485-4:1994

National foreword
This Part of BS EN 485 has been prepared under the direction of the Non-ferrous

Metals Standards Policy Committee and is the English language version of
EN 485-4:1993 Aluminium and aluminium alloys — Sheet, strip and plate —
Part 4 Tolerances on shape and dimensions for cold-rolled products.
This Part of BS EN 485, together with BS EN 485-1:1994 Aluminium and
aluminium alloys — Sheet, strip and plate — Part 1 Technical conditions for
inspection and delivery and BS EN 485-3:1994 Aluminium and aluminium
alloys — Sheet, strip and plate — Part 3 Tolerances on shape and dimensions for
hot-rolled products will supersede parts of BS 1470:1987 Specification for
wrought aluminium and aluminium alloys for general engineering purposes:
plate, sheet and strip.
However, BS 1470:1987 will not be withdrawn until the remaining standards
which replace it are published.
These are as follows:
BS EN 485-2, Aluminium and aluminium alloys — Sheet, strip and plate —
Part 2: Mechanical properties.
BS EN 515, Aluminium and aluminium alloys — Wrought products — Temper
designations.
BS EN 573-3, Aluminium and aluminium alloys — Chemical composition and
form of wrought products — Part 3: Chemical composition.
BS EN 573-4, Aluminium and aluminium alloys — Chemical composition and
form of wrought products — Part 4: Forms of products.
A British Standard does not purport to include all the necessary provisions of a
contract. Users of British Standards are responsible for their correct application.
Compliance with a British Standard does not of itself confer immunity
from legal obligations.

Summary of pages
This document comprises a front cover, an inside front cover, pages i and ii,
the EN title page, pages 2 to 12, an inside back cover and a back cover.
This standard has been updated (see copyright date) and may have had

amendments incorporated. This will be indicated in the amendment table on
the inside front cover.
ii

© BSI 12-1998


EUROPEAN STANDARD

EN 485-4

NORME EUROPÉENNE
EUROPÄISCHE NORM

October 1993

UDC 669.71-41-122.2:669.715.018.26
Descriptors: Iron and steel products, cold-rolled products, rolled products, metal plates, steel strips, aluminium, aluminium alloys,
dimensional tolerances, form tolerances

English version

Aluminium and aluminium alloys — Sheet, strip and
plate — Part 4: Tolerances on shape and dimensions for
cold-rolled products

Aluminium et alliages d’aluminium — Tôles,
bandes et tôles épaisses —
Partie 4: Tolérances sur forme et dimensions
des produits laminés à froid

Aluminium und Aluminiumlegierungen —
Bänder, Bleche und Platten —
Teil 4: Grenzabmaße und Formtoleranzen für
kaltgewalzte Erzeugnisse

ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ

This European Standard was approved by CEN on 1993-10-08. 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.
Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Central Secretariat or to any
CEN member.
The European Standards exist 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
Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,
Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and
United Kingdom.

CEN
European Committee for Standardization
Comité Européen de Normalisation
Europäisches Komitee für Normung
Central Secretariat: rue de Stassart 36, B-1050 Brussels
© 1993 Copyright reserved to CEN members

Ref. No. EN 485-4:1993 E


EN 485-4:1993

Foreword
This European Standard has been drawn up by
CEN/TC 132 Aluminium and aluminium alloys,
whose Secretariat is held by the Association
Franỗaise de Normalisation (AFNOR).
Within its programme of work, Technical
Committee CEN/TC 132 entrusted
CEN/TC 132/WG 7 “Sheet, strip and plate” to work
out the following standard:
EN 485-4, “Aluminium and aluminium alloys —
Sheet, strip and plate — Part 4: Tolerances on
dimensions and form for cold-rolled products”.
This standard is part of a set of four standards. The
other standards deal with:
EN 485-1, “Aluminium and aluminium alloys —
Sheet, strip and plate — Part 1: Technical conditions
for inspection and delivery”.
EN 485-2, “Aluminium and aluminium alloys —
Sheet, strip and plate — Part 2: Mechanical
properties”.
EN 485-3, “Aluminium and aluminium alloys —
Sheet, strip and plate — Part 3: Tolerances on
dimensions and form for hot-rolled products”.
This European Standard shall be given the status of

a national standard, either by publication of an
identical text or by endorsement, at the latest by
April 1994, and conflicting national standards shall
be withdrawn at the latest by April 1994.
The Standard was approved and in accordance with
the CEN/CENELEC Internal Regulations, the
following countries are bound to implement this
European Standard: Austria, Belgium, Denmark,
Finland, France, Germany, Greece, Iceland,
Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland, United
Kingdom.

2

Contents
Foreword
1
Scope
2
Normative references
3
Dimensional tolerances
3.1 Thickness
3.2 Width
3.3 Length
4
Shape tolerances
4.1 Lateral curvature
4.2 Flatness

4.3 Squareness
Annex A (normative) Alloy split into
Group I and Group II
Annex B (normative) Other thickness
tolerances
Figure 1 — Lateral curvature of plate or
sheet of length L
Figure 2 — Transverse arch
Figure 3 — Longitudinal arch
Figure 4 — Buckles
Figure 5 — Edge waves
Figure 6 — Measurement of squareness
Table 1 — Thickness tolerances
Table 2 — Width tolerances for strip
Table 3 — Width tolerances for sheet
and plate
Table 4 — Length tolerances for sheet
and plate
Table 5 — Lateral curvature tolerances
for strip
Table 6 — Lateral curvature tolerances
for sheet and plate
Table 7 — Flatness tolerances for sheet
and plate
Table 8 — Squareness tolerances for
sheet and plate
Table A1 — Alloy Groups

Page
2

3
3
3
3
5
5
6
6
6
6
11
11
6
7
8
8
9
10
4
5

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5
5
6
7
7
9
11

© BSI 12-1998


EN 485-4:1993

1 Scope

3 Dimensional tolerances

This Part of EN 485 specifies the tolerances on
shape and dimensions for wrought aluminium and
aluminium alloy sheet, strip and plate obtained by
cold-rolling, for general engineering applications.
It applies to products with a thickness over 0,20 mm
up to and including 50 mm.
It does not apply to semi-finished rolled products in
coiled form to be subjected to further rolling
(reroll stock) or to special products such as
corrugated, embossed, etc. sheet and strip or to
special applications such as aerospace, can stock,
etc. which are dealt with in separate European
Standards.
Technical conditions for inspection and delivery of
products covered by this standard are specified
in EN 485-1.

3.1 Thickness

2 Normative references
This European Standard incorporates by dated or

undated reference, provisions from other
publications. These normative references are cited
at the appropriate places in the text and the
publications are listed hereafter. For dated
references, subsequent amendments to or revisions
of any of these publications apply to this European
Standard only when incorporated in it by
amendment or revision. For undated references the
latest edition of the publication referred to applies.
EN 485-1, Aluminium and aluminium alloys —
Sheet, strip and plate — Part 1: Technical conditions
for inspection and delivery.
EN 573-3, Aluminium and aluminium alloys —
Chemical composition and form of wrought
products — Part 3: Chemical composition.

3.1.1 For the purpose of this European Standard the
alloys are distributed into two groups which
correspond to varying difficulty when
manufacturing the products. Tighter thickness
tolerances apply to Group I alloys (soft alloys).
The grouping is carried out according to the
specified chemical composition limits of the alloys
(see EN 573-3) as follows:
— Group I alloys:
— 1 000 series alloys;
— non heat-treatable 7 000 and 8 000 series
alloys;
— 4 000 series alloys with less than 2 %
maximum specified silicon content;

— 3 000 and 5 000 series alloys for which the
maximum specified magnesium and
manganese contents are each no greater
than 1,8 % and their sum no greater
than 2,3 %.
— Group II alloys:
— all alloys which do not belong to Group I.
The split into Group I and Group II of the most
commonly used general engineering alloys is given
in annex A (see Table A1).

ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ

© BSI 12-1998

3.1.2 Thickness tolerances for sheet, strip and plate
are specified in Table 1.
3.1.3 Other thickness tolerances may be agreed
between supplier and purchaser. They are specified
in annex B.

3


EN 485-4:1993

Table 1 — Thickness tolerances
Dimensions in millimetres
Specified
thickness

Thickness tolerance for specified width
Up to and
including
1 000

Over Up to and
including

Alloy Group
I

0,20 0,4

II

Over 1 000 up Over 1 250 up Over 1 600 up
to and
to and
to and
including
including
including
1 250
1 600
2 000
Alloy Group
I

II

Alloy Group
I

Alloy Group

II

I

± 0,02 ± 0,03 ± 0,04 ± 0,05 ± 0,05 ± 0,06 —

Over 2 000
up to and
including
2 500

Over 3 000
up to and
including
3 500

Alloy Group Alloy Group Alloy Group

II

—

Over 2 500
up to and

including
3 000

I and II

—

I and II

—

I and II

—

0,4

0,5

± 0,03 ± 0,03 ± 0,04 ± 0,05 ± 0,05 ± 0,06 ± 0,06

± 0,07 ± 0,10

—

—

0,5

0,6

± 0,03 ± 0,04 ± 0,05 ± 0,06 ± 0,06 ± 0,07 ± 0,07

± 0,08 ± 0,11

—

—

0,6

0,8

± 0,03 ± 0,04 ± 0,06 ± 0,07 ± 0,07 ± 0,08 ± 0,08

± 0,09 ± 0,12

—

—

0,8

1,0

± 0,04 ± 0,05 ± 0,06 ± 0,08 ± 0,08 ± 0,09 ± 0,09

± 0,10 ± 0,13

—

—

1,0

1,2

± 0,04 ± 0,05 ± 0,07 ± 0,09 ± 0,09 ± 0,10 ± 0,10

± 0,12 ± 0,14

—

—

1,2

1,5

± 0,05 ± 0,07 ± 0,09 ± 0,11 ± 0,10 ± 0,12 ± 0,11

± 0,14 ± 0,16

—

—

1,5

1,8

± 0,06 ± 0,08 ± 0,10 ± 0,12 ± 0,11 ± 0,13 ± 0,12

± 0,15 ± 0,17

—

—

1,8

2

± 0,06 ± 0,09 ± 0,11 ± 0,13 ± 0,12 ± 0,14 ± 0,14

± 0,16 ± 0,19

—

—

2

2,5

± 0,07 ± 0,10 ± 0,12 ± 0,14 ± 0,13 ± 0,15 ± 0,15

± 0,17 ± 0,20

—

—

2,5

3,0

± 0,08 ± 0,11 ± 0,13 ± 0,15 ± 0,15 ± 0,17 ± 0,17

± 0,19 ± 0,23

—

—

3,0

3,5

± 0,10 ± 0,12 ± 0,15 ± 0,17 ± 0,17 ± 0,19 ± 0,18

± 0,20 ± 0,24

—

—

3,5

4,0

± 0,15

± 0,20

± 0,22

4,0

5,0

± 0,18

± 0,22

5,0

6,0

± 0,20

± 0,24

6,0

8,0

± 0,24

8,0 10

ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ
± 0,23

± 0,25

± 0,34

± 0,38

± 0,24

± 0,25

± 0,29

± 0,36

± 0,42

± 0,25

± 0,26

± 0,32

± 0,40

± 0,46

± 0,30

± 0,31

± 0,32

± 0,38

± 0,44

± 0,50

± 0,27

± 0,33

± 0,36

± 0,38

± 0,44

± 0,50

± 0,56

10

12

± 0,32

± 0,38

± 0,40

± 0,41

± 0,47

± 0,53

± 0,59

12

15

± 0,36

± 0,42

± 0,43

± 0,45

± 0,51

± 0,57

± 0,63

15

20

± 0,38

± 0,44

± 0,46

± 0,48

± 0,54

± 0,60

± 0,66

20

25

± 0,40

± 0,46

± 0,48

± 0,50

± 0,56

± 0,62

± 0,68

25

30

± 0,45

± 0,50

± 0,53

± 0,55

± 0,60

± 0,65

± 0,70

30

40

± 0,50

± 0,55

± 0,58

± 0,60

± 0,65

± 0,70

± 0,75

40

50

± 0,55

± 0,60

± 0,63

± 0,65

± 0,70

± 0,75

± 0,80

When measuring the thickness, a zone 10 mm wide from the edges of the product shall be disregarded.

4

© BSI 12-1998


EN 485-4:1993

3.2 Width

3.3 Length

3.2.1 Width tolerances for strip are specified
in Table 2.

3.3.1 Length tolerances for strip are not specified.
3.3.2 Length tolerances for sheet and plate are
specified in Table 4.

3.2.2 Width tolerances for sheet and plate are
specified in Table 3.

Table 2 — Width tolerances for strip
Dimensions in millimetres
Specified thickness
Over

Up to and
including

0,20

0,6

0,6

1,0

1,0

2,0

2,0

3,0

3,0

5,0

Width tolerance for specified width
Up to and
including 100

Over 100 up
Over 300 up Over 500 up to Over 1 250 up Over 1 650 up
to and

to and
and
to and
to and
including 300 including 500 including 1 250 including 1 650 including 2 600

+ 0,3
0

+ 0,4
0

+ 0,6
0

+ 1,5
0

+ 2,5
0

+3
0

+ 0,3
0

+ 0,5
0

+1
0

+ 1,5
0

+ 2,5
0

+3
0

+ 0,4
0

+ 0,7
0

+ 1,2
0

+2
0

+ 2,5
0

+3
0

+1
0

+1
0

+ 1,5
0

+2
0

+ 2,5
0

+4
0

—

+ 1,5
0

+2
0

+3
0

+3

0

+5
0

Table 3 — Width tolerances for sheet and plate

ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ
Dimensions in millimetres

Specified thickness
Over

Width tolerance for specified width

Up to and
including

0,20

3,0

3,0

6,0

6,0

50

Up to and
including 500

Over 500 up to Over 1 250 up to Over 2 000 up to Over 3 000 up to
and
and
and
and
including 1 250 including 2 000 including 3 000 including 3 500

—

+ 1,5
0

+3
0

+4
0

+5
0

+3
0

+4
0

+5
0

+8
0

+8
0

+4
0

+5
0

+5
0

+8
0

+8
0

Table 4 — Length tolerances for sheet and plate
Dimensions in millimetres
Specified thickness
Over

Up to and

including

0,20

3,0

3,0

6,0

6,0

50

© BSI 12-1998

Length tolerance for specified length
Up to and
Over 1 000 up to Over 2 000 up to Over 3 000 up to
including 1 000
and
and
and
including 2 000 including 3 000 including 5 000
+3
0

+4
0

+6
0

+8
0

+4
0

+6
0

+8
0

+ 10
0

+6
0

+8
0

+ 10
0

Over 5 000

+ 0,2 % of

specified
length

+ 10
0

5


EN 485-4:1993

4 Shape tolerances

4.2 Flatness

4.1 Lateral curvature

4.2.1 Flatness tolerances for strip are not specified.

4.1.1 Lateral curvature tolerances for strip with
width up to and including 3 500 mm are specified
in Table 5.

4.2.2 Flatness tolerances for sheet and plate are
specified in Table 7 and are expressed as a
percentage of the length L and /or the width W
and /or the measured chord length l.

Table 5 — Lateral curvature tolerances for
strip (measured on 2 000 mm strip length)

Dimensions in millimetres
Specified width
Over

Lateral curvature

Up to and including

dmax

≥ 25a

100

8

100

300

6

300

600

5

600

1 000

4

1 000

2 000

3

2 000

3 500

3

a

For widths less than 25 mm the tolerances are to be agreed
between purchaser and supplier.

The deviation from straightness, d, is measured as
indicated in Figure 1, for a length L of 2 000 mm,
from one end of the strip, while the strip is resting
on a horizontal base plate.
4.1.2 Lateral curvature tolerances for sheet and
plate are specified in Table 6.

Deviation from flatness, d, resulting from arching,
buckling or edge waves, is measured as shown

in Figure 2 to Figure 5, using a lightweight
straightedge and a feeler gauge, dial gauge or scale,
while the sheet or plate is resting on a horizontal
base plate concave side upwards.
These tolerances do not apply to sheet and plate
supplied in the O (annealed) or F (as fabricated)
tempers or to bright sheet.
These tolerances do not include end or corner
turnup.
4.3 Squareness
4.3.1 Squareness tolerances for strip are not
specified.
4.3.2 Squareness tolerances for sheet and plate are
specified in Table 8.

ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ

The squareness tolerance is expressed as the
maximum allowable difference in length of
diagonals AA and BB as shown in Figure 6.

The deviation from straightness, d, is measured as
indicated in Figure 1, while the sheet or plate is
resting on a horizontal base plate.

Figure 1 — Lateral curvature of plate or sheet of length L (see 4.1.2)

6

© BSI 12-1998

EN 485-4:1993

Table 6 — Lateral curvature tolerances for sheet and plate
Dimensions in millimetres
Specified width

Lateral curvature

dmax for specified length L

Up to and
including

Up to and
Over 1 000 up to Over 2 000 up to Over 3 500 up to Over 5 000 up to and
including
and
and
and
including 1 000
15 000
including 2 000 including 3 500 including 5 000

≥ 100a

300

2

4

8

—

—

300

600

1,5

3

5

—

—

600

1 000

1

2

4

5

1 000

2 000

—

2

4

5

0.1 % of specified
length

2 000

3 500

—

—

4

5

Over

a For

widths less than 100 mm the tolerances are to be agreed between purchaser and supplier.

Table 7 — Flatness tolerances for sheet and plate
Specified thickness

Total deviation

Partial deviation

mm

%

% (for a chord of at least
300 mm)

Over

Up to and including

on length

on width

dmax/L

dmax/W

dmax/l

0,20

0,50

by agreement

by agreement

by agreement

0,50

3,0

0,4

0,5

0,5

3,0

6,0

0,3

0,4

0,4

0,2

0,4

0,3

6,0

50

Figure 2 — Transverse arch (see 4.2.2)

© BSI 12-1998

7


EN 485-4:1993

Figure 3 — Longitudinal arch (see 4.2.2)

Figure 4 — Buckles (see 4.2.2)

8

© BSI 12-1998


EN 485-4:1993

Figure 5 — Edge waves (see 4.2.2)
Table 8 — Squareness tolerances for sheet and plate
Dimensions in millimetres
Specified length
Over

Up to and
including

1 000
1 000
2 000
3 000
5 000

© BSI 12-1998

Specified
thickness

2 000
3 000
5 000
15 000

Squareness tolerance for specified width
Up to and
Over 1 000 up to Over 1 500 up to Over 2 000 up to
including 1 000
and
and
and
including 1 500 including 2 000 including 3 500

≤6

4

—

—

—

>6

5

—

—

—

≤6

4

5

6

—

>6

6

7

8

—

≤6

5

5

7

8

>6

7

7

9

10

≤6

6

8

8

10

>6

8

10

10

12

≤6

10

10

12

12

>6

12

12

15

15

9


EN 485-4:1993

Figure 6 — Measurement of squareness (see 4.3.2)

10

© BSI 12-1998

EN 485-4:1993

Annex A (normative)
Alloy split into Group I and Group II
Table A1 — Alloy Groups

Group I

1 080A

1 070A

1 050A

1 200

3 003

3 103

3 005

3 105

4 006

4 007

5 005

5 050

8 011A
2 014

2 017A

2 024

5 040

5 049

5 251

5 052

5 083

5 086

6 061

6 082

7 020

7 021

7 022

7 075

3 004
Group II

5 154A

5 454

5 754

5 182

Annex B (normative)
Other thickness tolerances
If agreed between supplier and purchaser, Group I alloys may be supplied to Group II thickness tolerances.

© BSI 12-1998

11


12

blank

BS EN 485-4:1994
National annex NA (informative)
Committees responsible
The United Kingdom participation in the preparation of this European Standard was entrusted by the
Non-ferrous Metals Standards Policy Committee (NFM/-) to Technical Committee NFM/35, upon which the
following bodies were represented:
Aluminium Federation
Aluminium Stockholders’ Association
Association of Light Alloy Refiners Limited
Light Metal Founders’ Association
London Metal Exchange
Magnesium Industry Council
Royal Institute of British Architects
The following bodies were also represented in the drafting of the standard, through subcommittees and
panels:
Association of British Welded Aluminium Tube Makers
Institution of Structural Engineers
Metal Packaging Manufacturers’ Association

National annex NB (informative)
Cross-references
Publication referred to

Corresponding British Standard

EN 485-1:1993

BS EN 485 Aluminium and aluminium alloys — Sheet, strip and plate
Part 1:1994 Technical conditions for inspection and delivery

EN 573-3:1994

BS EN 573 Aluminium and aluminium alloys — Chemical composition and form
of wrought products
Part 3:1994 Chemical composition

© BSI 12-1998


BSI
389 Chiswick High Road
London
W4 4AL

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BSI Ð British Standards Institution
BSI is the independent national body responsible for preparing British Standards. It
presents the UK view on standards in Europe and at the international level. It is
incorporated by Royal Charter.
Revisions
British Standards are updated by amendment or revision. Users of British Standards
should make sure that they possess the latest amendments or editions.
It is the constant aim of BSI to improve the quality of our products and services. We

would be grateful if anyone finding an inaccuracy or ambiguity while using this
British Standard would inform the Secretary of the technical committee responsible,
the identity of which can be found on the inside front cover. Tel: 020 8996 9000.
Fax: 020 8996 7400.
BSI offers members an individual updating service called PLUS which ensures that
subscribers automatically receive the latest editions of standards.
Buying standards
Orders for all BSI, international and foreign standards publications should be
addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001.
In response to orders for international standards, it is BSI policy to supply the BSI
implementation of those that have been published as British Standards, unless
otherwise requested.
Information on standards
BSI provides a wide range of information on national, European and international
standards through its Library and its Technical Help to Exporters Service. Various
BSI electronic information services are also available which give details on all its
products and services. Contact the Information Centre. Tel: 020 8996 7111.
Fax: 020 8996 7048.
Subscribing members of BSI are kept up to date with standards developments and
receive substantial discounts on the purchase price of standards. For details of
these and other benefits contact Membership Administration. Tel: 020 8996 7002.
Fax: 020 8996 7001.
Copyright
Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of
the publications of the international standardization bodies. Except as permitted
under the Copyright, Designs and Patents Act 1988 no extract may be reproduced,
stored in a retrieval system or transmitted in any form or by any means ± electronic,
photocopying, recording or otherwise ± without prior written permission from BSI.
This does not preclude the free use, in the course of implementing the standard, of
necessary details such as symbols, and size, type or grade designations. If these

details are to be used for any other purpose than implementation then the prior
written permission of BSI must be obtained.
If permission is granted, the terms may include royalty payments or a licensing
agreement. Details and advice can be obtained from the Copyright Manager.
Tel: 020 8996 7070.