Kennedy Wire Rope & Sling, Co.

Sling Information

Crosby's Chain Fitting Selector

Page 343

Crosby's Sling Calculator

SLING ANGLES

Sling Angle Degrees (A°)	Load Angle Factor = L / H
90	1.000
60	1.155
50	1.305
45	1.414
30	2.000
LOAD ON EACH LEG OF SLING = (Load ÷ 2) x LOAD ANGLE FACTOR

ANSI B30.9 recommends against the use of a horizontal sling angle smaller than 30º.

BASIC SLING OPERATING PRACTICES ANSI B30.9

Whenever any sling is used, the following practices shall be observed.

1.	Slings that are damaged or defective shall not be used.
2.	Slings shall not be shortened with knots or bolts or other makeshift devices.
3.	Sling legs shall not be kinked.
4.	Slings shall not be loaded in excess of their rated capacities.
5.	Slings used in a basket hitch shall have the loads balanced to prevent slippage.
6.	Slings shall be securely attached to their load
7.	Slings shall be padded or protected from the sharp edges of their loads.
8.	Suspended loads shall be kept clear of all obstruction.
9.	All employees shall be kept clear of loads about to be lifted and of suspended loads.
10.	Hands or fingers shall not be placed between the sling and its load while the sling is being tightened around the load.
11.	Shock loading is prohibited.
12.	A sling shall not be pulled from under a load when the load is resting on the sling.

INSPECTION - Each day before being used, the sling and all fastenings and attachments shall be inspected for damage or defects by a competent person designated by the employer. Additional inspections shall be performed during sling use where service conditions warrant. Damaged or defective slings shall be immediately removed from service.

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Catalog provided courtesy of The Crosby Group, Inc.