S.L. 427.22 Art. 3for each chain a certificate (a) (b) 3.2. One distance, must national or Nominal Up Over 4. 4.1. The of hooks, or at following his authorized identify a national or this load or state if it was a without to be a specialized tensile tests the statement his agent". in accordance

Provision concerning round steel chains

3.1. The manufacturer or his authorized representative must issue bearing at least the following information: compulsory information: - the name and address of the manufacturer or his authorized representative; - the characteristics of the chain (nominal length and width of the link, diameter of the wire, whether chain calibrated or not); enclose a drawing of at least two links, showing maximum tolerances; - the length of the chain delivered; - average mass per metre; - the method of joining the links (forging or electric welding); - the value of the proof test load applied to the whole of the chain after heat treatment; - the minimum practical tensile breaking strength of the chain at normal temperature; - the minimum practical tensile breaking strength of the chain at temperature of use; - the proportional elongation of the chain at breakage under tension; - the characteristics of the material of the chain (for example class or quality); - the type of heat treatment applied or where necessary to be applied at a later date by the manufacturer or a specialized undertaking; - information on the nature and methods of the tensile tests and the results thereof; - the limits of temperature for using the chain; - the maintenance and inspection instructions; information where applicable: - if the chain is made according to a national or international standard of use, identify this standard; - if a chain has undergone a special heat treatment, the statement "for any heat treatment consult the manufacturer or his authorized agent".

link in twenty at least or one link every metre, whichever is the lesser bear a legible and permanent quality mark in accordance with a international standard. The marks must have the following dimensions:

dimensions of the chain Dimensions of the figures in millimetres in millimetres to 12.5 inclusive 3 12.5 up to 26 inclusive 4.5 Over 26 6

Provision concerning hooks manufacturer or his authorized representative must issue for each batch the request of the user, for each hook, a certificate bearing at least the information:

(a) compulsory information: - the name and address of the manufacturer or representative; - the type of hook; - the dimensional characteristics; - if it is a hook made to a national or international standard, reference; - if the hook is not manufactured according to international standard: - the load causing a sufficient opening to release else the breaking load (the manufacturer must matter of opening or breakage), - the maximum proof test load which can be applied causing any permanent deformation, - the characteristics of the steel (class or quality), - the type of heat treatment applied or where necessary applied at a later date by the manufacturer or undertaking; - information on the nature and methods of the and results thereof; - the limits of temperature for using the hooks; - maintenance and inspection instructions;

(b) information where applicable: - if the hooks have undergone a special heat treatment "For any heat treatment consult the manufacturer or

4.2. The hooks must bear, legibly and indelibly, a quality mark with a national or international standard.