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Compacted 35x7

  • Category 1, rotation resistant rope 
  • Maximum strength per diameter 
  • Can be used with a swivel 
  • Crush resistant
Compacted 35x7Compacted 35x7

Rotation resistance and minimum torque are important in tower crane and other specialized hoisting applications. Union International's compacted 35x7 features a unique design that minimizes the torque and rotation of the rope at normal load ranges of zero to 20% of the rope’s minimum breaking force (MBF). In addition, Union International's compacted 35x7 product is engineered to give you maximum strength per diameter while also achieving superior fatigue resistance. These factors combine to give you the maximum service life when you have long block falls or load control is critical.  Swivels can be used in your system with compacted 35x7.

Union International's compacted 35x7 wire rope has one of the highest strength-to-diameter ratios on the market. ASME B30.5 Mobile and Locomotive Cranes requires a design factor of 3.5 for 6-strand hoist ropes. The same standard requires a design factor of 5.0 for rotation resistant ropes. This means that using rotation resistant ropes frequently reduces the lifting capabilities of your crane due to the higher design factor. Compacted 35x7 eliminates this reduction. The MBF of compacted 35x7 is such that even with the 5.0 design factor, it has lifting capacities that equal or exceed 6-strand XIP ropes utilizing a 3.5 design factor. Other ropes of similar grade and construction do not provide this benefit.

The characteristics of Union International's 35x7 rope product enhance its performance in multiple-layer spooling as well. The lang lay design coupled with the special Flex-X features provide excellent resistance to abrasion that occurs at kickover areas in drum spooling. The rope construction combined with the compacted strand design of compacted 35x7 results in a rope cross-section of very high density. This feature provides increased resistance to crushing.


Compacted 35x7 Strength and Weights Chart (in)

view diameter in millimeters
Diameter
(in)
Weight
(lb/ft)
Minimum Breaking Force
(tons of 2000 lbs)
19602160
5/80.8425.228.2
3/41.2134.538.7
7/81.6547.253
12.1562.470
1 1/82.7377.586.9
1 1/43.3798.1110
1 3/84.07117124
1 1/24.85138147
1 5/85.69167182

Per ASTM A1023-02.

Compacted 35x7 Strength and Weights Chart (mm)

view diameter in inches
Diameter
(mm)
Weight
(kg/m)
Minimum Breaking Force
(kN)
19602160
161.272224251
181.610274308
191.794307344
201.988341382
222.405415466
242.863491555
263.360588660
283.896676758
325.089873980
366.4411,1101,232
407.9521,3901,521

Per ASTM A1023-02.


Union International, a WireCo WorldGroup brand, produces wire rope for a variety of applications – each with their own exacting specifications.  All of our products are manufactured in a state-of-the-art wire rope production facility in Wuhan, China.