Stud Link Anchor Chain Grade Ⅱ, M20MnØ16mm-122mm Grade Ⅲ, M30MnØ25mm-122mm Studless Anchor Chain Size : 6.5mm-50mm Material M20Mn Buoy Chain Hatch-cover chain, Lifting Chain, Kiln Chain and others DIN Standard Chain Special chain and accessories as per customers' requirement     Testing load of stud link anchor chain and accessories Diameter Grade 1 Grade 2 Grade 3 kg/m Breaking load Proof load Breaking load Proof load Breaking load Proof load mm KN KN KN KN KN KN KN 92 3040 2130 4260 3040 6080 4260 185.36 95 3230 2260 4510 3230 6440 4510 197.56 97 3340 2340 4680 3340 6690 4680 206.06 100 3530 2470 4940 3530 7060 4940 219.00 102 3660 2560 5120 3660 7320 5120 227.85 105 3850 2700 5390 3850 7700 5390 241.45 107 3980 2790 5570 3980 7960 5570 250.73 111 4250 2970 5940 4250 8480 5940 269.83 114 4440 3110 6230 4440 8890 6230 284.61 117 4650 3260 6510 4650 9300 6510 299.79 120 4850 3400 6810 4850 9720 6810 315.36 122 5000 3500 7000 5000 9990 7000 325.96