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Specifies the requirements for lifting chains, grade M (4), non-calibrated, for use on cranes, in chain slings and for general lifting purposes. These are electrically welded round steel short link chains, fully heat treated and tested complying with ISO 1834. The range of sizes covered is from 5 to 45 mm. The annex gives a range of temporary additional sizes 6 to 46 mm.
||Short link chain for lifting purposes - Grade M (4), non-calibrated, for chain slings etc.