24W×K7 Non-Rotating Compacted Wire Rope
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24W×K7 Non-Rotating Compacted Wire Rope
24W×K7 Non-Rotating Compacted Wire Rope is a non-rotating rope construction, available in 24W×K7, 24W×K19S, 24W×K26S variants.
Applications requiring rotation resistance: tower cranes, mobile cranes, rotary drilling rigs, marine cranes.
Specifications
Diameter: 10–40 mm. Constructions: 24W×K7, 24W×K19S, 24W×K26S. Core: independent steel (IWRC). Wire grade: 1770, 1960 or 2160 N/mm². Finish: bright or galvanized. Lay: right or left hand, regular or Lang's. Manufactured to EN 12385, ASTM A1023, YB/T 5359 and GB/T 8918. HS code 7312.10.
Packing & Delivery
Supplied on wooden or steel reels to 3,000 m, or cut to your required lengths. MOQ 1,000 m, negotiable. Packed for sea freight and shipped CIF. Lead time confirmed at quotation. Payment 30% deposit with balance before shipment.
Certification & Documentation
Manufactured under ISO 9001:2015, with ISO 14001, 45001 and 50001 management systems certified by CICC. CCS Works Approval held for marine rope, 10–80 mm. Every shipment ships with a mill certificate and test report. Additional documentation available on request.
Technical Specification
| Diameter mm | Weight kg/m | MBF 1770 kN | MBF 1960 kN | MBF 2160 kN |
|---|---|---|---|---|
| 10 | 0.490 | 72.6 | 80.4 | 88.6 |
| 11 | 0.593 | 87.8 | 97.2 | 107.2 |
| 12 | 0.706 | 104.5 | 115.7 | 127.5 |
| 13 | 0.828 | 122.6 | 135.8 | 149.7 |
| 14 | 0.960 | 142.2 | 157.5 | 173.6 |
| 16 | 1.254 | 185.8 | 205.7 | 226.7 |
| 18 | 1.588 | 235.1 | 260.4 | 286.9 |
| 20 | 1.960 | 290 | 321 | 354 |
| 22 | 2.372 | 351 | 389 | 429 |
| 24 | 2.822 | 418 | 463 | 510 |
| 26 | 3.312 | 491 | 543 | 599 |
| 28 | 3.842 | 569 | 630 | 694 |
| 30 | 4.410 | 653 | 723 | 797 |
| 32 | 5.018 | 743 | 823 | 907 |
| 34 | 5.664 | 839 | 929 | 1024 |
| 36 | 6.350 | 941 | 1041 | 1148 |
| 38 | 7.076 | 1048 | 1160 | 1279 |
| 40 | 7.840 | 1161 | 1286 | 1417 |
Scroll the table sideways to see all columns.
MBF = minimum breaking force at the stated wire tensile grade (N/mm²). Weights are nominal. Diameters outside 10–40 mm and non-standard grades are manufactured to order — request a quote.
About this construction
How does 24W×K7 compare to 19×K7?
More strands and more capacity. Twenty-four in opposing layers cancel torque better than nineteen, and the breaking force is around 10% higher at the same diameter. 19×K7 is the lower-cost choice where neither difference is decisive.
And against the plain 24W×7?
Compaction is the difference. Same strand count and rotation behaviour, but roughly 15% more breaking force at a given diameter plus better resistance to drum crushing. If your rope is retiring from crush damage rather than fatigue, this is the upgrade.
Where does it sit in the non-rotating range?
Between 19×K7 and the 35-strand constructions. It suits tower cranes, mobile cranes, rotary drilling rigs and marine cranes at moderate lifting heights where you need both rotation resistance and load capacity.
Does it handle multi-layer drums?
Yes, and better than most rotation-resistant ropes. The compacted surface spreads pressure over a wider contact area rather than concentrating it on the wire crowns.
Selecting 24-strand compacted rope
Steadier loads, more capacity
Twenty-four Warrington strands cancel torque more completely than an 18- or 19-strand rope, and compacting them adds breaking force without changing the diameter. At 30 mm, 1960 grade, that's 723 kN against 653 kN for 19×K7 — same rotation resistance argument, more load.
Manufacturing
Drawn, stranded and closed in-house
Every rope starts as Baosteel or Shagang wire rod and runs through our own servo-driven drawing and planetary stranding machines. German Fosser lubricant is applied at closing, and each rope is tensile tested against its declared breaking force before it ships.
Ordering
Cut, reeled and shipped to spec
Reels run to 3,000 m, with custom lengths cut to order. Every shipment carries a mill certificate and test report, packed for sea freight and shipped CIF from the Yangtze Delta.
MOQ 1,000 m, negotiable.
Application & Selection Guides
Wire rope for container and port cranes: selection guide
Container terminals run more lifting cycles in a week than most cranes see in a year, and the rope is doing three difficult things at once. This guide covers what...
Wire rope for container and port cranes: selection guide
Wire rope for container and port cranes: selection guide
Tell us your specification and we'll quote it.