SIST EN 818-2:1999+A1:2008

SLOVENSKI STANDARD
SIST EN 818-2:1999+A1:2008
01-julij-2008
.UDWNRþOHQHRNURJOHYHULJH]DGYLJRYDOQHQDPHQH9DUQRVWGHO9HULJH]D
REHVQHYHULJHVUHGQMHWROHUDQFH.DNRYRVWQLUD]UHG
Short link chain for lifting purposes - Safety - Part 2: Medium tolerance chain for chain
slings - Grade 8
Kurzgliedrige Rundstahlketten für Hebezwecke - Sicherheit - Teil 2: Mitteltolerierte
Rundstahlketten für Anschlagketten - Güteklasse 8
Chaînes de levage à maillons courts - Sécurité - Partie 2: Chaîne de tolérance moyenne
pour élingues en chaînes - Classe 8
Ta slovenski standard je istoveten z: EN 818-2:1996+A1:2008
ICS:
53.020.30 Pribor za dvigalno opremo Accessories for lifting
equipment
SIST EN 818-2:1999+A1:2008 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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EUROPEAN STANDARD
EN 818-2:1996+A1

NORME EUROPÉENNE

EUROPÄISCHE NORM
April 2008
ICS 53.020.30 Supersedes EN 818-2:1996
English Version
Short link chain for lifting purposes - Safety - Part 2: Medium
tolerance chain for chain slings - Grade 8
Chaînes de levage à maillons courts - Sécurité - Partie 2: Kurzgliedrige Rundstahlketten für Hebezwecke - Sicherheit
Chaîne de tolérance moyenne pour élingues en chaînes - - Teil 2: Mitteltolerierte Rundstahlketten für Anschlagketten
Classe 8 - Güteklasse 8
This European Standard was approved by CEN on 7 March 1996 and includes Amendment 1 approved by CEN on 10 February 2008.

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 CEN Management Centre or to any CEN member.

This European Standard exists 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 Management Centre has the same status as the
official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.






EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 818-2:1996+A1:2008: E
worldwide for CEN national Members.

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EN 818-2:1996+A1:2008 (E)
Contents Page
Foreword.3
Introduction .4
1 Scope .5
2 Normative references .5
3 !Terms and definitions".5
4 Hazards .6
5 Safety requirements .6
5.1 General.6
5.2 Dimensions.6
5.2.1 Nominal size of chain, d .6
n
5.2.2 Tolerance on material diameter (except at the weld).6
5.2.3 Weld diameter .7
5.2.4 Length dimensionally affected by welding .7
5.2.5 Pitch and widths .7
5.3 Materials and heat treatment.8
5.3.1 Quality of material.8
5.3.2 Heat treatment.9
5.4 Mechanical properties.9
5.4.1 Manufacturing proof force (MPF).9
5.4.2 Breaking force (BF) and total ultimate elongation (A) .9
5.4.3 Bend deflection.9
6 Verification of safety requirements.10
6.1 !Qualification of personnel.10
6.2 Size of lot and selection of samples.10
6.3 Manufacturing proof force, breaking force and total ultimate elongation.10
6.3.1 Static tensile test .10
6.3.2 Manufacturing proof force acceptance criteria .11
6.3.3 Breaking force and total ultimate elongation acceptance criteria.11
6.4 Bend deflection.11
6.4.1 Bend test.11
6.4.2 Bend deflection acceptance criteria .11
7 Marking .11
8 Manufacturer's certificate .11
9 !Information" for use .11
Annex A (informative) Calculation of dimensions, working load limits and mechanical properties .13
A.1 Dimensions and tolerances .13
A.2 Working load limits and mechanical properties.13
Annex B (informative) Weight of chain .15
Annex C (informative) Designation system for chain (medium tolerance) - grade 8 .16
Annex ZA (informative) !Relationship between this European Standard and the Essential
Requirements of EU Directive 98/37/EC .17
Annex ZB (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC .18
!Bibliography.19
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EN 818-2:1996+A1:2008 (E)

Foreword
This document (EN 818-2:1996+A1:2008) has been prepared by Technical Committee CEN/TC 168 “Chains,
ropes, webbing, slings and accessories - Safety”, the secretariat of which is held by BSI.
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 October 2008 and conflicting national standards shall be withdrawn at
the latest by October 2008.
This document includes Amendment 1, approved by CEN on 2008-02-10.
This document supersedes EN 818-2:1996.
The start and finish of text introduced or altered by amendment is indicated in the text by tags ! ".
!This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annexes ZA and ZB, which are integral parts of this
document."
The other parts of EN 818 are:
Part 1: General conditions of acceptance
Part 3: Medium tolerance chain for chain slings - Grade 4
Part 4: Chain slings - Grade 8
Part 5: Chain slings - Grade 4
!Part 6: Chain slings - Specification for information for use and maintenance to be provided by the
manufacturer"
!Part 7: Fine tolerance hoist chain, Grade T (Types T, DAT and DT)"
A further part or parts will cover fine tolerance chains for chain hoists and other lifting appliances.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and United Kingdom.

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EN 818-2:1996+A1:2008 (E)
Introduction
This European Standard has been prepared to be a harmonized standard to provide one means of conforming
with the essential safety requirements of the Machinery Directive.
This Directive stipulates that where chain with welded links is used for lifting accessories it is to be of short link
type and for the purposes of this standard this is chain having a ratio of nominal pitch to nominal size of 3:1.
The extent to which hazards are covered is indicated in the scope of this Part of EN 818. In addition, lifting
equipment shall comply as appropriate with !EN ISO 12100" for hazards which are not covered by this
standard.
Annex C gives a designation system for recording the identifying features of grade 8 short link chain. Since
this system is not widely used it has been included in this first edition of this standard as an informative annex,
however, should its use become more generally accepted then the status of the information would need to be
reviewed.
!This standard is a Type C standard as stated in EN ISO 12100.
When provisions of this type C standard are different from those which are stated in type A or B standards, the
provisions of this type C standard take precedence over the provisions of the other standards, for equipment
that have been designed and build according to the provisions of this type C standard."

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EN 818-2:1996+A1:2008 (E)
1 Scope
!This part of EN 818 specifies the requirements related to safety for short link chains, grade 8, of medium
tolerance for use in chain slings according to !EN 818-4:1996+A1" and for general lifting purposes."
They are electrically welded round steel short link chains, heat treated and tested and complying with the
general conditions of acceptance in !EN 818-1:1996+A1".
The range of nominal sizes of chain covered by this Part of EN 818 is from 4 mm to 45 mm.
The hazards covered by this Part of EN 818 are identified in clause 4.
The bases for calculation of tabulated values for dimensions, working load limits and mechanical properties
are given in annex A.
Annex B gives information on weight/metre of chain.
Annex C gives an example of a designation system for chains.
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 revisions to or amendments 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.
!deleted text"
!EN 818-1:1996+A1", Short link chain for lifting purposes – Safety – Part 1: General conditions of
acceptance
!EN 818-6:2000+A1", Short link chain for lifting purposes – Safety – Part 6: Chain slings – Instructions for
use and maintenance
!EN 1050", Safety of machinery – Risk assessment
!EN ISO 12100-1, Safety of machinery - Basic concepts, general principles for design - Part 1: Basic
terminology, methodology (ISO 12100-1:2003)
EN ISO 12100-2, Safety of machinery - Basic concepts, general principles for design - Part 2: Technical
principles (ISO 12100-2:2003)"
ISO 643, Steels – Micrographic determination of the ferritic or austenitic grain size.
3 !Terms and definitions"
!For the purposes of this document, the terms, definitions and symbols given in EN 818-1:1996+A1 and the
following apply."
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EN 818-2:1996+A1:2008 (E)
4 Hazards
!Accidental release of a load, or release of a load due to" failure of lifting accessories such as slings or
their component parts puts at risk either directly or indirectly the !safety or health" or health of those
persons within the danger zone of lifting equipment.
In order to provide the necessary strength and durability of lifting accessories this Part of EN 818 lays down
requirements for the desig
...