R4S Mooring Chain – High-Strength Solution for Demanding Offshore Applications
Premium-Grade Performance for Critical Moorings
The R4S mooring chain represents an advanced strength category in offshore mooring systems, offering superior tensile strength (≥960MPa) – making it ideal for:
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Floating production platforms
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Deepwater oil & gas installations
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Heavy marine construction projects
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Permanent offshore structures
Mooring Chain Grade Comparison
| Grade | Tensile Strength | Typical Use |
|---|---|---|
| R3/R3S | 690-800 MPa | Shallow-water applications |
| R4S | ≥960 MPa | Deepwater installations |
| R5 | ≥1100 MPa | Ultra-deepwater projects |
Parameters:
| Chain | Breaking Load | Studless Tension | Stud Tension |
| Dia. | (kN) | (kN) | (kN) |
| (mm) | |||
| 34 | 1451 | 1017 | 1146 |
| 36 | 1621 | 1136 | 1279 |
| 38 | 1799 | 1260 | 1420 |
| 40 | 1985 | 1391 | 1567 |
| 42 | 2180 | 1527 | 1721 |
| 44 | 2383 | 1670 | 1881 |
| 46 | 2594 | 1818 | 2048 |
| 48 | 2813 | 1971 | 2221 |
| 50 | 3040 | 2130 | 2400 |
| 52 | 3275 | 2295 | 2586 |
| 54 | 3518 | 2465 | 2777 |
| 56 | 3768 | 2640 | 2975 |
| 58 | 4026 | 2821 | 3178 |
| 60 | 4291 | 3006 | 3387 |
| 62 | 4563 | 3197 | 3602 |
| 64 | 4842 | 3393 | 3823 |
| 66 | 5128 | 3593 | 4048 |
| 68 | 5421 | 3798 | 4280 |
| 70 | 5721 | 4008 | 4516 |
| 73 | 6182 | 4332 | 4881 |
| 76 | 6659 | 4666 | 5257 |
| 78 | 6984 | 4894 | 5514 |
| 81 | 7484 | 5244 | 5909 |
| 84 | 7997 | 5603 | 6314 |
| 87 | 8523 | 5972 | 6729 |
| 90 | 9062 | 6350 | 7154 |
| 92 | 9428 | 6606 | 7443 |
| 95 | 9987 | 6998 | 7885 |
| 97 | 10366 | 7263 | 8184 |
| 100 | 10944 | 7668 | 8640 |
| 102 | 11336 | 7943 | 8950 |
| 105 | 11932 | 8361 | 9420 |
| 107 | 12335 | 8643 | 9739 |
| 111 | 13155 | 9217 | 10386 |
| 114 | 13781 | 9656 | 10880 |
| 117 | 14416 | 10101 | 11381 |
| 120 | 15059 | 10552 | 11889 |
| 122 | 15493 | 10856 | 12232 |
| 124 | 15931 | 11162 | 12577 |
| 127 | 16593 | 11626 | 13100 |
| 130 | 17263 | 12095 | 13629 |
| 132 | 17713 | 12411 | 13984 |
| 137 | 18852 | 13209 | 14884 |
| 142 | 20008 | 14019 | 15796 |
| 147 | 21179 | 14840 | 16721 |
| 152 | 22364 | 15669 | 17656 |
| 157 | 23559 | 16507 | 18600 |
| 162 | 24765 | 17352 | 19551 |
| 165 | 25492 | 17861 | 20125 |
| 168 | 26221 | 18372 | 20701 |
| 171 | 26953 | 18885 | 21279 |
| 175 | 27930 | 19570 | 22050 |
| 178 | 28665 | 20085 | 22630 |
| 180 | 29155 | 20428 | 23017 |
| 182 | 29646 | 20772 | 23405 |
| 185 | 30381 | 21287 | 23985 |
| 188 | 31117 | 21802 | 24566 |
| 191 | 31852 | 22317 | 25146 |
| 194 | 32585 | 22831 | 25725 |
| 197 | 33318 | 23345 | 26304 |
| 200 | 34048 | 23856 | 26880 |
| 205 | 35261 | 24706 | 27838 |
| 210 | 36466 | 25550 | 28789 |
The description/sizes may be different with goods, please check with us when order.
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