The 24W×7 Non-rotating Steel Rope represents a technological breakthrough in lifting applications where torsional stability is critical.
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Specification: DIN/EN/ISO/JISG/BS/GB/T 24Wx7 | |||||||||
| Nominal Diameter (mm) | Approx Weight (kg/100m) | Nominal Tensile Strength(MPa) | |||||||
| 1570 | 1670 | 1770 | 1870 | 1960 | 2160 | ||||
| Minimum Breaking Strength(kn) | |||||||||
| 12 | 66.2 | 81.4 | 86.6 | 91.8 | 96.9 | 102 | 112 | ||
| 14 | 90.2 | 111 | 118 | 125 | 132 | 138 | 152 | ||
| 16 | 118 | 145 | 154 | 163 | 172 | 181 | 199 | ||
| 18 | 149 | 183 | 195 | 206 | 218 | 229 | 252 | ||
| 20 | 184 | 226 | 240 | 255 | 269 | 282 | 311 | ||
| 22 | 223 | 274 | 291 | 308 | 326 | 342 | 376 | ||
| 24 | 265 | 326 | 346 | 367 | 388 | 406 | 448 | ||
| 26 | 311 | 382 | 406 | 431 | 455 | 477 | 526 | ||
| 28 | 361 | 443 | 471 | 500 | 528 | 553 | 610 | ||
| 30 | 414 | 509 | 541 | 573 | 606 | 635 | 700 | ||
| 32 | 471 | 579 | 616 | 652 | 689 | 723 | 796 | ||
| 34 | 532 | 653 | 695 | 737 | 778 | 816 | 899 | ||
| 36 | 596 | 732 | 779 | 826 | 872 | 914 | 1010 | ||
| 38 | 664 | 816 | 868 | 920 | 972 | 1020 | 1120 | ||
| 40 | 736 | 904 | 962 | 1020 | 1080 | 1130 | 1240 | ||
| Note: Stainless Steel Wire Rope is available. | |||||||||
Its unique construction features 24 Warrington (W) strands arranged around a 7-strand core, engineered to counteract rotational forces during load handling . Available in diameters from 5mm to 48mm with tensile strength options ranging from 1,570N/mm² to 2,160N/mm², this rope eliminates the dangerous spin associated with conventional steel ropes, making it ideal for precision lifting operations .
The innovative strand configuration creates opposing torsional forces that neutralize each other during loading, preventing the rope from unraveling or developing dangerous rotational energy . This design significantly reduces the risk of load swing and equipment damage during lifting and lowering operations.
With minimum breaking forces exceeding 40,000N for 8mm diameter and scaling proportionally with size, the 24W×7 structure delivers exceptional strength-to-weight ratio . Galvanized variants provide enhanced corrosion resistance, while ungalvanized options offer superior flexibility for applications requiring frequent bending.
Manufactured with cold-drawn wires to enhance surface hardness and wear resistance. The rope maintains its structural integrity even after repeated spooling on winch drums, with reduced internal friction extending service life in high-cycle applications.
Essential for tower cranes, mobile cranes, and overhead lifting systems where precise load positioning is required. The non-rotating feature prevents load twisting during hoisting, critical for lifting steel beams, precast concrete elements, and heavy machinery .
Used in ship-to-shore cranes, offshore platform lifting systems, and marine salvage operations. Galvanized 24W×7 ropes resist saltwater corrosion while maintaining the stability needed for precise positioning of heavy loads on uneven surfaces.
Integral to dragline excavators, shovel systems, and material transport winches in mining operations. The non-rotating design prevents tangling and kinking when handling irregular loads, reducing downtime and maintenance requirements.
Unlike conventional ropes that develop torsional energy under load, the 24W×7 structure uses opposing strand lay directions to cancel out rotation. This eliminates dangerous load spin and reduces stress on lifting equipment components .
Weekly inspections for birdcaging (strand separation), corrosion, and broken wires are essential. Regular lubrication every 50 hours of operation maintains flexibility and prevents internal wear, with lubricants specifically formulated for steel wire ropes.
The rope performs reliably between -40°C and 100°C. Exposure to temperatures exceeding 150°C for extended periods can reduce tensile strength by up to 20%, requiring immediate inspection and potential replacement.
Yes, but hardware must match the rope diameter and be rated for non-rotating applications. Wedge sockets and thimbles are recommended to maintain the rope’s structural integrity at termination points.
Specification: DIN/EN/ISO/JISG/BS/GB/T 24Wx7 | |||||||||
| Nominal Diameter (mm) | Approx Weight (kg/100m) | Nominal Tensile Strength(MPa) | |||||||
| 1570 | 1670 | 1770 | 1870 | 1960 | 2160 | ||||
| Minimum Breaking Strength(kn) | |||||||||
| 12 | 66.2 | 81.4 | 86.6 | 91.8 | 96.9 | 102 | 112 | ||
| 14 | 90.2 | 111 | 118 | 125 | 132 | 138 | 152 | ||
| 16 | 118 | 145 | 154 | 163 | 172 | 181 | 199 | ||
| 18 | 149 | 183 | 195 | 206 | 218 | 229 | 252 | ||
| 20 | 184 | 226 | 240 | 255 | 269 | 282 | 311 | ||
| 22 | 223 | 274 | 291 | 308 | 326 | 342 | 376 | ||
| 24 | 265 | 326 | 346 | 367 | 388 | 406 | 448 | ||
| 26 | 311 | 382 | 406 | 431 | 455 | 477 | 526 | ||
| 28 | 361 | 443 | 471 | 500 | 528 | 553 | 610 | ||
| 30 | 414 | 509 | 541 | 573 | 606 | 635 | 700 | ||
| 32 | 471 | 579 | 616 | 652 | 689 | 723 | 796 | ||
| 34 | 532 | 653 | 695 | 737 | 778 | 816 | 899 | ||
| 36 | 596 | 732 | 779 | 826 | 872 | 914 | 1010 | ||
| 38 | 664 | 816 | 868 | 920 | 972 | 1020 | 1120 | ||
| 40 | 736 | 904 | 962 | 1020 | 1080 | 1130 | 1240 | ||
| Note: Stainless Steel Wire Rope is available. | |||||||||
Its unique construction features 24 Warrington (W) strands arranged around a 7-strand core, engineered to counteract rotational forces during load handling . Available in diameters from 5mm to 48mm with tensile strength options ranging from 1,570N/mm² to 2,160N/mm², this rope eliminates the dangerous spin associated with conventional steel ropes, making it ideal for precision lifting operations .
The innovative strand configuration creates opposing torsional forces that neutralize each other during loading, preventing the rope from unraveling or developing dangerous rotational energy . This design significantly reduces the risk of load swing and equipment damage during lifting and lowering operations.
With minimum breaking forces exceeding 40,000N for 8mm diameter and scaling proportionally with size, the 24W×7 structure delivers exceptional strength-to-weight ratio . Galvanized variants provide enhanced corrosion resistance, while ungalvanized options offer superior flexibility for applications requiring frequent bending.
Manufactured with cold-drawn wires to enhance surface hardness and wear resistance. The rope maintains its structural integrity even after repeated spooling on winch drums, with reduced internal friction extending service life in high-cycle applications.
Essential for tower cranes, mobile cranes, and overhead lifting systems where precise load positioning is required. The non-rotating feature prevents load twisting during hoisting, critical for lifting steel beams, precast concrete elements, and heavy machinery .
Used in ship-to-shore cranes, offshore platform lifting systems, and marine salvage operations. Galvanized 24W×7 ropes resist saltwater corrosion while maintaining the stability needed for precise positioning of heavy loads on uneven surfaces.
Integral to dragline excavators, shovel systems, and material transport winches in mining operations. The non-rotating design prevents tangling and kinking when handling irregular loads, reducing downtime and maintenance requirements.
Unlike conventional ropes that develop torsional energy under load, the 24W×7 structure uses opposing strand lay directions to cancel out rotation. This eliminates dangerous load spin and reduces stress on lifting equipment components .
Weekly inspections for birdcaging (strand separation), corrosion, and broken wires are essential. Regular lubrication every 50 hours of operation maintains flexibility and prevents internal wear, with lubricants specifically formulated for steel wire ropes.
The rope performs reliably between -40°C and 100°C. Exposure to temperatures exceeding 150°C for extended periods can reduce tensile strength by up to 20%, requiring immediate inspection and potential replacement.
Yes, but hardware must match the rope diameter and be rated for non-rotating applications. Wedge sockets and thimbles are recommended to maintain the rope’s structural integrity at termination points.
