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DIN standards committee round steel link chains

About NRK

DIN Standards Committee Round Steel Link Chains (NRK) is responsible for national (DIN), European (CEN) and international (ISO) standardization of round steel link chains (round steel link chains for general purposes, chain slings, hoist chains, conveyor chains, bucket elevator chains, mining conveyor chains, anti-skid chains and lashing chains), components and accessories.

In addition, NRK supports DIN Standards Committee Shipbuilding and Marine Technology (NSMT) in the development of standards for round steel link chains (studless anchor chains, grade NM anchor chains, stud link anchor chains), components and accessories used on board ships of the German Navy (VG Standards), on merchant ships (DIN and ISO Standards) and in inland navigation (EN Standards). Standardization of steel for welded round steel link chains and chain components is carried out in close cooperation with DIN Standards Committee Iron and Steel (FES). In these cases, NRK undertakes the role of co-issuer of the corresponding standards.

How is NRK composed?

Contact

DIN e. V.

Andreas Schleifer

Saatwinkler Damm 42/43
13627 Berlin

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New projects
Document number Begin Title
DIN 82056 2018-11-20 Round steel link chains - Span chains with shackles according to DIN 82101 More  Comment 
DIN EN 16662-1 2017-03-14 Road vehicles - Supplementary grip devices for tyres of passenger cars and light duty vehicles - Part 1: General safety and performance requirements; German and English version prEN 16662-1:2017 More  Comment 
DIN 762-1 2017-03-07 Round steel link chains - Chains strands from round steel link chains, nominal pitch: 5×d, for the operation in bucket elevators - Part 1: From case hardened quality steel, Grade 2; Text in German and English More  Comment 

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New DIN SPEC
Document number Edition Procedure Title
DIN ISO/TR 21704; DIN SPEC 5689:2019-09 2019-09 Technical Report Toughness of round steel link chains - Test with sub-size specimens More  Order from Beuth Verlag

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New standards
Document number Edition Title
ISO 4778 2019-06 Round steel short link chains for lifting purposes - Chain slings of welded construction - Grade 8 More  Order from Beuth Verlag
DIN 32891 Berichtigung 1 2019-02 Round steel link chains - Grade 2, non-calibrated, tested More  Order from Beuth Verlag
DIN 5694-1 2018-10 Round steel link chains - Round steel link chains, nomial pitch: 5 x d, for the operation in chain conveyors - Part 1: From stainless steel, grade 3; Text in German and English More  Order from Beuth Verlag

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