Usha Martin – Slings

IS:2762/82 IS:5245/1pt ||

Min. Rope Size Vertical Lift Basket Lift Choker Lift
mm kg kg kg
3 70 140 50
4 130 260 100
5 200 400 150
6 250 500 190
8 550 1100 410
9 670 1340 500
10 800 1600 600
11 1000 2000 750
12 1200 2400 900
13 1400 2800 1050
14 1750 3500 1300
16 2000 4000 1500
18 2500 5000 1875
19 3000 6000 2250
20 3300 6600 2250
22 4000 8000 3000
24 4600 9200 3450
25 5000 10000 3750
29 6500 13000 4875
32 8000 16000 6000
35 9200 18400 6900
36 10400 20800 7800
38 12000 24000 9000
40 12700 25400 9525
44 16700 33400 12525
48 20000 40000 15000
52 23000 46000 17250

Dos and Donts for steel wire rope slings

Here are some important dos and don’ts for using steel wire rope slings safely:

Dos:

  1. Check the weight of the load to be lifted.
  2. Inspect slings before use and discard any that are defective.
  3. Protect slings from sharp corners by using suitable packing materials like rubber or wood.
  4. Use protective gloves when handling steel wire rope slings.
  5. Store slings in a dry place when not in use.

Don’ts:

  1. Don’t exceed the stated SWL (Safe Working Load).
  2. Don’t use slings with kinking, crushing, birdcaging, or other damage that distorts the original rope construction.
  3. Don’t use slings with more than 10 randomly broken wires in one rope lay, or 5 wires in one strand in one rope lay.
  4. Don’t use slings with severe wear, abrasion, or scraping.
  5. Don’t bend slings over corners.
  6. Don’t exceed 120 degrees when using multi-legged wire rope slings.
  7. Don’t drag slings along the floor.
  8. Never allow the load to be carried over the heads of other people.
  9. Never ride on the load.
  10. Never join slings by knotting, always use a shackle.
  11. Never shorten slings by knotting.

Following these guidelines will help ensure safe and effective use of steel wire rope slings.