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Standard 2015-06

DIN 762-2:2015-06

Round steel link chains - Round steel link chains, pitch 5d, for chain conveyors - Part 2: Grade 5, quenched and tempered

German title
Rundstahlketten - Rundstahlketten, Teilung 5d, für Kettenförderer - Teil 2: Güteklasse 5, vergütet
Publication date
2015-06
Accessibility
Original language
German

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Publication date
2015-06
Accessibility
Original language
German
DOI
https://dx.doi.org/10.31030/2313905

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Overview

DIN 762-1 and DIN 762-2 apply to tested, close tolerance, long-link round steel chains of Quality Class 3 (Part 1) or Quality Class 5 (Part 2) with a nominal pitch of t 5×d and a range for the nominal diameter d of 10 mm to 23 mm as well as for an operating temperature of -20 °C to +400 °C. They determine their dimensions and mechanical properties. Round steel chains according to these documents are preferably used as long strand chains in chain conveyors as well as in bucket elevators, according to the definition of DIN 15201-1. To avoid confusion with round steel links chains of other grades, it shall be ensured before use that the chains bear the required test stamp. Round steel link chains as specified here shall not be used as lifting accessories, slings or loadbearing devices within the meaning of DIN 15003 in combination with cranes or hoists. DIN 762-1 and DIN 762-2 have been prepared in close cooperation with the Timber and Metal Department of the Deutsche Gesetzliche Unfallversicherung (DGUV) (German Social Accident Insurance), Section Hebetechnik und Instandhaltung (Lifting Technology and Maintenance). In Clauses 5, 6, 8 and 10, this standard includes safety requirements within the meaning of § 3 paragraph 2 of the Produktsicherheitsgesetz (ProdSG) (German Product Safety Act). Since DIN 685-2 has been identified by the Ausschuss für Produktsicherheit (German Committee for Product Safety) and reference to it has been published in the Gemeinsames Ministerialblatt (German Joint Ministerial Gazette) by the Bundesanstalt für Arbeitsschutz und Arbeitsmedizin (German Federal Institute for Occupational Safety and Health), it can be presumed that "tested, close tolerance, round steel long-link chains of grade 3" which comply with this standard fulfil the relevant health and safety requirements and thus conform to the acknowledged rules of technology. DIN 762-1 and -2 have been prepared by Working Committee NA 085-00-02 AA "Rundstahlketten, Einzelteile und Zubehör für allgemeine Zwecke" ("Round steel link chains, components and accessories for general purposes") of the Round Steel Link Chains Standards Committee (NRK) at DIN, the German Institute for Standardization e. V. For further information about the NRK, visit us on the Internet under www.nrk.din.de.

Content
DOI
https://dx.doi.org/10.31030/2313905
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