Specifies the requirements for electrically welded long-link and extra-long-link medium tolerance steel chains ranging in size from 4 mm to 50 mm (inclusive), of grades 3, 4, 5, 6, 8 and 9, and intended for use as hand chains and for general purpose appl
SANS 251:2006 history
0000 SANS 251-2018
2006SANS 251:2006 Long-link and extra-long-link medium tolerance steel chains for general purposes