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Product Details:
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| Size: | 34~200mm | Type: | Studlink / Studless Mooring Anchor Chain |
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| Useage: | Mooring Anchor Chain | Surface: | Shot Blasting |
| Material: | R3 Grade | Standard: | ISO 1704 API |
| High Light: | Grades R3S Mooring Anchor Chain,Grades R3S Boat Mooring Chain,R4S Mooring Anchor Chain |
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IACS Approved Factory Supply Mooring Anchor Chain
Mooring Anchor Chains are fabricated from R3 up to R5 – a material composition ideal for the offshore industry. The extremely high quality of the material makes these chains a perfect fit to meet your challenging offshore mooring requirements. Studlink offshore chains are available in black (tarred).
mooring chain: component used for positioning and mooring of offshore structures composed of chain links and accessories
chain link: closed, link shaped components of mooring chain including common stud link, common studless link, enlarged link and end link
accessory:detachable connectors used for joining different chain components, including joining shackle and end shackle
common stud link: common mooring chain link with stud
common studless link: common mooring chain link without stud
enlarged link: strengthened link that connects a common link and the end link
end link: link that joins mooring chains and shackles
joining shackle: accessories used for joining chain links or other accessories, including “D” type LTM joining shackle, “D” type LTM end joining shackle, Kenter type joining shackle and “H” type LTM joining shackle
end shackle: accessories used for attaching the mooring chain to mooring equipment
LTM shackle: long term moored “D” type joining shackle, “D” type end joining shackle and end shackle with the bolt fastened by nut
MOORING CHAINS MECHANICAL PROPERTIES
| Grade | Yield stress N/mm2 minimum (1) | Tensile strength N/mm2 minimum (1) | Elongation % minimum | Reduction (3) of area % minimum | Charpy V-notch impact tests | ||
| Test temperature °C (2) | Average energy J minimum | Avg. energy flash weld J minimum | |||||
| R3 | 410 | 690 | 17 | 50 | 0 -20 | 60 40 | 50 30 |
| R3S | 490 | 770 | 15 | 50 | 0 -20 | 65 45 | 53 33 |
| R4 | 580 | 860 | 12 | 50 | -20 | 50 | 36 |
| R4S(4) | 700 | 960 | 12 | 50 | -20 | 56 | 40 |
| R5(4) | 760 | 1000 | 12 | 50 | -20 | 58 | 42 |
| *NOTES | |||||||
| 1. Aim value of yield to tensile ratio: 0.92 max. | |||||||
| 2. At the option of the Classification Society the impact test of Grade R3 and R3S may becarried out at either 0°C or minus 20°C | |||||||
| 3. Reduction of area of cast steel is to be for Grades R3 and R3S: min. 40 %, for R4, R4Sand R5: min. 35 %, cf. item 2.4.4. | |||||||
| 4. Aim maximum hardness for R4S is HB330 and R5 HB340. | |||||||
Mooring Chains Technical Date
| Chain Diameter | R3 | R3s | R4 | |||||
| Stud/StudlessProof Load(kN) | BreakingLoad (kN) |
Studless Proof Load(kN) | StudProof Load(kN) | Breaking Load(kN) | Studless Proof Load(kN) | Stud Proof Load(kN) | Breaking Load(kN) | |
| 34 | 745 | 1065 | 831 | 859 | 1189 | 917 | 1031 | 1308 |
| 36 | 832 | 1189 | 928 | 960 | 1327 | 1024 | 1152 | 1461 |
| 38 | 923 | 1319 | 1030 | 1065 | 1473 | 1136 | 1278 | 1621 |
| 40 | 1019 | 1456 | 1136 | 1176 | 1626 | 1254 | 1411 | 1789 |
| 42 | 1119 | 1599 | 1248 | 1291 | 1786 | 1377 | 1549 | 1965 |
| 44 | 1223 | 1748 | 1364 | 1411 | 1952 | 1505 | 1693 | 2148 |
| 46 | 1331 | 1903 | 1485 | 1536 | 2124 | 1639 | 1843 | 2338 |
| 48 | 1444 | 2064 | 1610 | 1666 | 2304 | 1777 | 1999 | 2536 |
| 50 | 1560 | 2230 | 1740 | 1800 | 2490 | 1920 | 2160 | 2740 |
| 52 | 1681 | 2403 | 1875 | 1940 | 2683 | 2069 | 2327 | 2952 |
| 54 | 1806 | 2581 | 2014 | 2083 | 2882 | 2222 | 2500 | 3171 |
| 56 | 1934 | 2764 | 2157 | 2231 | 3086 | 2380 | 2677 | 3396 |
| 58 | 2066 | 2953 | 2304 | 2384 | 3297 | 2543 | 2860 | 3628 |
| 60 | 2202 | 3147 | 2456 | 2541 | 3514 | 2710 | 3049 | 3867 |
| 62 | 2342 | 3347 | 2612 | 2702 | 3737 | 2882 | 3242 | 4112 |
| 64 | 2485 | 3552 | 2771 | 2867 | 3966 | 3058 | 3440 | 4364 |
| 66 | 2632 | 3762 | 2935 | 3036 | 4200 | 3239 | 3644 | 4622 |
| 68 | 2782 | 3977 | 3103 | 3210 | 4440 | 3424 | 3852 | 4886 |
| 70 | 2936 | 4196 | 3274 | 3387 | 4686 | 3613 | 4065 | 5156 |
| 73 | 3173 | 4535 | 3539 | 3661 | 5064 | 3905 | 4393 | 5572 |
| 76 | 3417 | 4885 | 3812 | 3943 | 5454 | 4206 | 4731 | 6002 |
| 78 | 3584 | 5124 | 3998 | 4136 | 5721 | 4411 | 4963 | 6295 |
| 81 | 3841 | 5490 | 4284 | 4432 | 6130 | 4727 | 5318 | 6746 |
| 84 | 4104 | 5866 | 4578 | 4735 | 6550 | 5051 | 5682 | 7208 |
| 87 | 4374 | 6252 | 4879 | 5047 | 6981 | 5383 | 6056 | 7682 |
| 90 | 4651 | 6648 | 5187 | 5366 | 7423 | 5724 | 6439 | 8168 |
| 92 | 4838 | 6916 | 5397 | 5583 | 7723 | 5955 | 6699 | 8498 |
| 95 | 5125 | 7326 | 5717 | 5914 | 8180 | 6308 | 7096 | 9002 |
| 97 | 5320 | 7604 | 5934 | 6138 | 8491 | 6547 | 7366 | 9343 |
| 100 | 5616 | 8028 | 6264 | 6480 | 8964 | 6912 | 7776 | 9864 |
| 102 | 5817 | 8316 | 6489 | 6712 | 9285 | 7160 | 8055 | 10217 |
| 105 | 6123 | 8753 | 6830 | 7065 | 9774 | 7536 | 8478 | 10755 |
| 107 | 6330 | 9049 | 7061 | 7304 | 10104 | 7791 | 8765 | 11118 |
| 111 | 6751 | 9650 | 7530 | 7789 | 10775 | 8309 | 9347 | 11857 |
| 114 | 7072 | 10109 | 7888 | 8160 | 11288 | 8704 | 9792 | 12421 |
| 117 | 7398 | 10575 | 8251 | 8536 | 11808 | 9105 | 10243 | 12993 |
| 120 | 7728 | 11047 | 8620 | 8917 | 12335 | 9511 | 10700 | 13573 |
| 122 | 7951 | 11365 | 8868 | 9174 | 12690 | 9785 | 11008 | 13964 |
| 124 | 8175 | 11686 | 9118 | 9433 | 13048 | 10062 | 11319 | 14358 |
| 127 | 8515 | 12172 | 9498 | 9825 | 13591 | 10480 | 11790 | 14956 |
| 130 | 8859 | 12663 | 9881 | 10222 | 14140 | 10903 | 12266 | 15559 |
| 132 | 9090 | 12994 | 10139 | 10488 | 14509 | 11188 | 12586 | 15965 |
| 137 | 9674 | 13829 | 10791 | 11163 | 15442 | 11907 | 13395 | 16992 |
| 142 | 10268 | 14677 | 11452 | 11847 | 16389 | 12637 | 14217 | 18034 |
| 147 | 10869 | 15536 | 12123 | 12541 | 17348 | 13377 | 15049 | 19089 |
| 152 | 11476 | 16405 | 12800 | 13242 | 18318 | 14125 | 15890 | 20157 |
| 157 | 12090 | 17282 | 13485 | 13950 | 19297 | 14880 | 16740 | 21235 |
| 162 | 12708 | 18166 | 14175 | 14664 | 20284 | 15641 | 17596 | 22321 |
MOORING CHAINS PROOF & BREAKING TEST LOADS
WEIGHT & LENGTH OVER 5 LINKS TABLET
| Test Load, in kN | Grade R3 Stud Link | Grade R3S Stud Link | Grade R4 Stud Link | Grade R4S Stud Link | Grade R5 Stud Link |
| Proof | 0.0148 d2 (44 – 0.08d) | 0.0180 d2 (44 – 0.08d) | 0.0216 d2 (44 – 0.08d) | 0.0240 d2 (44 – 0.08d) | 0.0251 d2 (44 – 0.08d) |
| Break | 0.0223 d2 (44 – 0.08d) | 0.0249 d2 (44 – 0.08d) | 0.0274 d2 (44 – 0.08d) | 0.0304 d2 (44 – 0.08d) | 0.0320 d2 (44 – 0.08d) |
| Test Load, in kN | Grade R3 Studless | Grade R3S Studless | Grade R4 Studless | Grade R4S Studless | Grade R5 Studless |
| Proof | 0.0148 d2 (44 – 0.08d) | 0.0174 d2 (44 – 0.08d) | 0.0192 d2 (44 – 0.08d) | 0.0213 d2 (44 – 0.08d) | 0.0223 d2 (44 – 0.08d) |
| Break | 0.0223 d2 (44 – 0.08d) | 0.0249 d2 (44 – 0.08d) | 0.0274 d2 (44 – 0.08d) | 0.0304 d2 (44 – 0.08d) | 0.0320 d2 (44 – 0.08d) |
| Chain Weight, in kg/m | Stud link = 0.0219d2 | ||||
| Chain Weight, in kg/m | Studless chain | ||||
| Weight calculations for each design are to be submitted. | |||||
| Pitch Length | Five Link Measure | ||||
| Minimum | 22d | ||||
| Maximum | 22.55d | ||||
| *Note: data refers to IACS Offshore Mooring Chain Rules | |||||
Contact Person: admin
Tel: +86 17753210369
