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NEN-ISO 1835 specifies the requirements for medium tolerance sling chains of grade 4 from stainless steel for use preferably in chain slings of grade 4 from stainless steel or for other lifting purposes. The range of nominal diameter, dn, covered by this document is from 4 mm to 22 mm. These sling chains are round steel short link chains with a nominal pitch, pn = 3 × dn, electrically welded, solution-annealed and tested. They are for use in the temperature range -100 °C to +400 °C. They comply with the general conditions of acceptance of ISO 1834.
||Round steel short link chains for lifting purposes - Medium tolerance sling chains - Grade 4, stainless steel