TESTING LOAD OF STUD LINK ANCHOR CHAIN AND ACCESSORIES                                                            US Units
 Chain Diameter Grade2 Grade3 Chain Diameter Grade2 Grade3
Proof load Breaking load Proof load Breaking load
c=1422 c=1991 c=1991 c=1844 c=1422 c=1991 c=1991 c=1844
in Lbf Lbf Lbf Lbf in Lbf Lbf Lbf Lbf
1/2 15300 21400 21400 30600 2 1/2 346000 484000 484000 692000
9/16 19300 27000 27000 38600 2 9/16 363000 507000 507000 726000
5/8 23700 33200 33200 47500 2 5/8 379000 530000 530000 758000
11/16 28600 40100 40100 57300 2 11/16 396000 554000 554000 792000
3/4 34000 47600 47600 68000 2 3/4 413000 578000 578000 826000
13/16 39800 55700 55700 79500 2 13/16 431000 603000 603000 816000
7/8 46000 64400 64400 91800 2 7/8 449000 628000 628000 897000
15/16 52600 73700 73700 105000 2 15/16 467000 654000 654000 934000
1 59700 83600 83600 119500 3 485000 679000 679000 970000
1 1/16 67200 94100 94100 135000 3 1/16 504000 705000 705000 1008000
1 1/8 75000 105000 105000 150000 3 1/8 523000 732000 732000 1046000
1 3/16 83400 116500 116500 167000 3 3/16 542000 759000 759000 1084000
1 1/4 92200 129000 129000 184000 3 1/4 562000 787000 787000 1124000
1 5/16 101500 142000 142000 203000 3 5/16 582000 814000 814000 1163000
1 3/8 111000 155000 155000 222000 3 3/8 602000 843000 843000 1204000
1 7/16 120500 169000 169000 241000 3 7/16 622000 871000 871000 1244000
1 1/2 131000 183500 183500 262000 3 1/2 643000 900000 900000 1285000
1 9/16 142000 198500 198500 284000 3 9/16 664000 929000 929000 1327000
1 5/8 153000 214000 214000 306000 3 5/8 685000 958000 958000 1369000
1 11/16 166500 229000 229000 327000 3 3/4 728000 1019000 1019000 1455000
1 3/4 176000 247000 247000 352000 3 7/8 772000 1080000 1080000 1543000
1 13/16 188500 264000 264000 377000 3 15/16 794000 1111000 1111000 1587000
1 7/8 201000 281000 281000 402000 4 816000 1143000 1143000 1632000
1 15/16 214000 299000 299000 427000 4 1/8 862000 1207000 1207000 1724000
2 227000 318000 318000 454000 4 1/4 908000 1272000 1272000 1817000
2 1/16 241000 337000 337000 482000 4 3/8 956000 1338000 1338000 1911000
2 1/8 255000 357000 357000 510000 4 1/2 1004000 1405000 1405000 2008000
2 3/16 269000 377000 377000 538000 4 5/8 1053000 1474000 1474000 2105000
2 1/4 284000 396000 396000 570000 4 3/4 1102000 1543000 1543000 2204000
2 5/16 299000 418000 418000 598000 4 7/8 1153000 1613000 1613000 2305000
2 3/8 314000 440000 440000 628000 5 1203000 1685000 1685000 2407000
2 7/16 330000 462000 462000 660000 　 　 　 　 　

1.NOTE:Test load (in lbf) = c x d2(44-2.032d)     (d in inches)

2.Conversion table：1inch=25.4mm     1lb=0.4536kb     1fathoms=1.8288m
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