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STUD LINK ANCHOR CHAIN
Chain Size Dimensions (in) Test Requirements
in mm Link Length
A
Link Width
B
Length
of 5
Links
C
Weight
Per 90'
(lb)
Grade 1 Grade 2 Grade 3 Oil Rig Quantity
Proof
Load
Break
Load
Proof
Load
Break
Load
Proof
Load
Break
Load
Proof
Load
Break
Load
5/8 16 3-3/4 2-1/4 13-3/4 365 16620 23745 23745 33220 33220 47465 - -
3/4 19 4-1/2 2-5/8 16-1/2 480 23800 34000 34000 47600 47600 68000 - -
13/16 20 4-7/8 2-7/8 17-7/8 570 27800 39800 39800 55700 55700 79500 - -
7 /8 22 5-1/4 3-1/8 19-1/4 660 32200 46000 46000 64400 64400 91800 - -
15/16 24 5-5/8 3-5/16 20-5/8 760 36800 52600 52600 73700 73700 105000 - -
1 25 6 3-9/16 22 860 41800 59700 59700 83600 83600 119500 84000 129000
1-1/8 28 6-3/4 4 24-3/4 1080 52600 75000 75000 105000 105000 150000 106000 161000
1-3/16 30 7-1/8 4-1/4 26-1/8 1220 58400 83400 83400 116500 116500 167000 - -
1-1/4 32 7-1/2 4-1/2 27-1/2 1350 64500 92200 92200 129000 129000 184000 130000 198000
1-3/8 34 8-1/4 4-15/16 30-1/4 1630 77500 111000 111000 155000 155000 222000 157000 235000
1-7/16 36 8-5/8 5-3/16 31-5/8 1780 84500 120500 120500 169000 169000 241000 - -
1-1/2 38 9 5-3/8 33 1940 91700 131000 131000 183500 183500 262000 185000 280000
1-9/16 40 9-3/8 5-5/8 34-3/8 2090 99200 142000 142000 198500 198500 284000 - -
1-5/8 42 9-3/4 5-7/8 35-3/4 2240 108000 153000 153000 214000 214000 306000 216000 325000
1-3/4 44 10-1/2 6-5/16 38-1/2 2590 123500 176000 176000 247000 247000 352000 249000 380000
1-13/16 46 10-7/8 6-1/2 39-7/8 2790 132000 188500 188500 264000 264000 377000 - -
1-7/8 48 11-1/4 6-3/4 41-1/4 2980 140500 201000 201000 281000 281000 402000 285000 432000
2 50 12 7-3/16 44 3180 149500 214000 214000 299000 299000 427000 - -
2-1/16 52 12-3/8 7-7/16 45-3/8 3570 168500 241000 241000 337000 337000 482000 342000 518000
2-1/8 54 12-3/4 7-5/8 46-3/4 3790 178500 255000 255000 357000 357000 510000 362000 548000
2-3/16 56 13-1/8 7-7/8 48-1/8 4020 188500 269000 269000 377000 377000 538000 382500 579100
2-1/4 58 13-1/2 8-1/8 49-1/2 4250 198500 284000 284000 396000 396000 570000 403000 610000
2-3/8 60 14-1/4 8-9/16 52-1/4 4730 212000 314000 314000 440000 440000 628000 447000 675000
2-7/16 62 14-5/8 8-3/4 53-5/8 4960 231000 330000 330000 462000 462000 660000 469500 709500
2-1/2 64 15 9 55 5270 242000 346000 346000 484000 484000 692000 492000 744000
2-9/16 66 15-3/8 9-1/4 56-3/8 5540 254000 363000 363000 507000 507000 726000 516000 778500
2-5/8 67 15-3/4 9-7/16 57-3/4 5820 265000 379000 379000 530000 530000 758000 540000 813000
2-11/16 68 16-1/8 9-11/16 59-1/8 6110 277000 396000 396000 554000 554000 792000 565000 849000
2-3/4 70 16-1/2 9-7/8 60-1/2 6410 289000 413000 413000 578000 578000 826000 590000 885000
2-7/8 73 17-1/4 10-3/8 63-1/4 7020 314000 449000 449000 628000 628000 897000 640000 965000
3 76 18 10-13/16 66 7650 340000 485000 485000 679000 679000 970000 693000 1045000
3-1/16 78 18-3/8 11 67-3/8 7980 353000 504000 504000 705000 705000 1008000 720500 1086500
3-3/16 81 19-1/8 11-1/2 70-1/8 8660 380000 542000 542000 759000 759000 1084000 776050 1169000
3-1/4 83 19-1/2 11-11/16 71-1/2 9010 393000 562000 562000 787000 787000 1124000 804100 1210000
3-5/16 84 19-7/8 11-15/16 72-7/8 9360 407000 582000 582000 814000 814000 1163000 833150 1253000
3-3/8 86 20-1/4 12-1/8 74-1/4 9730 421000 602000 602000 843000 843000 1204000 862200 1296000
3-7/16 87 20-5/8 12-3/8 75-5/8 10100 435000 622000 622000 871000 871000 1244000 892100 1339550
3-1/2 90 21 12-5/8 77 10300 450000 643000 643000 900000 900000 1285000 922000 1383100
3-5/8 92 21-3/4 12-15/16 79-3/4 11300 479000 685000 685000 958000 958000 1369000 1021000 1566000
3-3/4 95 22-1/2 13-3/8 82-1/8 12000 509000 728000 728000 1019000 1019000 1455000 1120000 1750000
3-7/8 98 23-1/4 14 85-1/4 12900 540000 772000 772000 1080000 1080000 1543000 1205000 1863000
4 102 24 14-3/8 88 13700 571000 816000 816000 1143000 1143000 1632000 1298000 1996500
 
 

 

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