... ,Certificate:CCS,EC,BV,ABS,DNV 2,Surface Treatment: blacking Chain Diameter(mm)14±0.418±0.522±0.724±0 ... )14×50 18×6422×8624×8626×9230×108Poof Load (KN)Grade B150260380460540710Grade C200330490580680900Breaking load Min (KN)Grade B200330490580680900Grade C2504106107208501130 ( function(){ var ... productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); High Strength Mining Round-Link Chain