Wire Rope Sling Angle Chart

As the angle decreases the stress imposed on the leg of a sling increases.
Wire rope sling angle chart. Because the angle of pull on the leg of a sling varies with the leg angle forces may be exerted on a sling greater than the user may expect. Rigging hardware wire rope. Block sheave hook inspection. Wire rope sling connections and hitches.
Fell free to consult the sling angle factor chart. Sling angle info b30 9. Wire rope slings using the general purpose body style are rugged economical and easy to inspect. Syn sling hitches c o g.
The 6 x 37 classification iwrc is commonly used in sizes above 1 1 8 because of better flexibility in larger sizes. Sling angles of less than 30 should not be used. Shoulder eyebolts swivel hoist rings. 8 40 2 0 78 0 58 0 39 1 56 1 35 1 10 0 78 78 0 68 0 55 0 39 1 35 1 10 0 78 1 01 0 68.
Working load limit chart. The 6 19 classification iwrc is a rugged general purpose wire rope used for most slings up through 1 1 8 size. All capacities in tons of 2000 lbs. You can use the chart below to calculate tension factors.
Rigging w blocks sheave bearings. The degree of the angle will determine how much the. Wire rope slings based on 4 legs sharing the load evenly. Tons crescent thimble eye size in w x l slip thru thimble.
Working load limit under general use with 1770 grade wire and wire rope core with ferrule secured eyes. If the calculated head room is greater than the available head room try typing in a smaller angle for known angle a. As an example one sling in a basket hitch or two slings attached to one crane hook are different applications involving different sling angles. Rigging hardware shackles hooks.
Wire rope class rope dia. All sling angles as mentioned in this catalogue are measured from the horizontal. The angle is very important and can have a dramatic effect on the rated capacity of the sling due to the increase of tension caused by the angle. Sling length standard eye size in w x l thimbled eye size in w x l eye hook cap.
Inspection of slings fittings. Imagine one carries a weight with one s arm hanging down and then try lifting the same weight sideways up and away. As an example a horizontal sling angle of 30 will increase the tension factor by 2 times therefore doubling the weight felt by the sling and all related rigging. Refer to effect of angle chart page 12.
Remember that the rated lifting capacity of the sling must often be greater than the weight of the load to be lifted. Rated capacity working load limit for wire rope slingsas the angle of the sling leg decreases from 60 to 45 to 30 as shown in the capacity chart the rated capacity of the sling decreases. In eip iwrc 2 min. Rigging hardware wedge sockets.
Do not use angles less than 30 degrees. Wire rope slings wire rope environmental considerations. Sling calculator 4 leg hitch calculator calculator home. A simple demonstration makes this very clear.