This standard specifies the inspection items, sampling methods and quantities, inspection methods, inspection rules and evaluation of inspection results for high-strength round link chains for mining (hereinafter referred to as round link chains). This standard is applicable to the inspection of high-strength round link chains for mining.
MT/T 522-2004 history
2004MT/T 522-2004 Inspecting specification of high-tensile steel chains (round link) for mining
1996MT/T 522-1995 Inspection specifications for high-strength round link chains for mining