Product
Open Link (Studless) Anchor Chain
Open link (studless) anchor chain for buoy, mooring, and related cable work. Studless chain is electric flash butt welded, then heat-treated and proof-tested. Geometry follows ISO 1704:2022 shapes, proportions, and tolerances in the U1, U2, and U3 grades (CM370 / CM490 / CM690) that classification societies recognize.
At a glance
- Geometry
- Open link / studless
- Standard
- ISO 1704:2022
- Grades
- U1, U2, U3, (CM370/CM490/CM690)
- Weld method
- Electric flash butt welded
Standards
Standards and selection
- Open link / studless
- Studless open-link chain for buoy, mooring, and related cable work. Electric flash butt welded, heat-treated, and proof-tested.
- U1 / U2 / U3
- Strength grades with rising minimum breaking load. Catalogue open-link tables list Grade 1, Grade 2, and Grade 3 proof and breaking loads where published.
- Class societies
- Certifiable to ABS, BV, DNV, LR, RINA, NK, KR, RS, and CCS. Named society certificates are available on order.
Specifications
Verified values only
Excerpt of verified open-link / studless loads. Full diameter table lives on the Anchor chain family page.
| Diameter (mm) | G1 proof (kN) | G1 break (kN) | G2 proof (kN) | G2 break (kN) | G3 proof (kN) | G3 break (kN) | Weight (kg/27.5 m) |
|---|---|---|---|---|---|---|---|
| 6 | 7 | 13 | 9 | 19 | on request | on request | 20 |
| 7 | 9 | 18 | 13 | 25 | on request | on request | 27 |
| 8 | 12 | 24 | 19 | 33 | on request | on request | 35 |
| 9 | 15 | 30 | 21 | 42 | on request | on request | 45 |
| 10 | 13 | 37 | 26 | 52 | on request | on request | 55 |
| 11 | 23 | 45 | 31 | 62 | on request | on request | 67 |
| 12.5 | 29 | 58 | 41 | 83 | on request | on request | 86 |
| 14 | 35 | 70 | 51 | 102 | on request | on request | 108 |
Certificates
Related certification path
Catalogue archive scans support buyer source-checking. Named society certificates for a specific order are issued on request.
Certification to a named society is available on order. Confirm the required society, grade, and diameter in the inquiry.
Next step
Request a quote for Open Link (Studless) Anchor Chain
The form carries this product family as context. Include size, grade or standard, application, and any class-society requirement.