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Chain Slings

Recommended Chain Sling Use

Follow these Recommendations for Safer Chain Sling Use

Chain Sling Working Load Limits by Leg

SPECIFICATIONS
SIZE OF CHAIN GRADE 80 WORKING LOAD LIMITS* LBS. at 90° GRADE 100 WORKING LOAD LIMITS* LBS. at 90°
In. mm
9/32 7 3,500 4,300
3/8 10 7,100 8,800
1/2 13 12,000 15,000
5/8 16 18,100 22,600
3/4 20 28,300 35,300
7/8 22 34,200 42,700
1 26 47,700
1-1/4 32 72,300
SPECIFICATIONS
SIZE OF CHAIN GRADE 80 WORKING LOAD LIMITS* LBS. at 60° GRADE 100 WORKING LOAD LIMITS* LBS. at 60°
In. mm
9/32 7 6,100 7,400
3/8 10 12,300 15,200
1/2 13 20,800 26,000
5/8 16 31,300 39,100
3/4 20 49,000 61,100
7/8 22 59,200 74,000
1 26 82,600
1-1/4 32 125,200
SPECIFICATIONS
SIZE OF CHAIN GRADE 80 WORKING LOAD LIMITS* LBS. at 60° GRADE 100 WORKING LOAD LIMITS* LBS. at 60°
In. mm
9/32 7 9,100 11,200
3/8 10 18,400 22,900
1/2 13 31,200 39,000
5/8 16 47,000 58,700
3/4 20 73,500 91,700
7/8 22 88,900 110,900
1 26 123,900
1-1/4 32 187,000
SPECIFICATIONS
SIZE OF CHAIN GRADE 80 WORKING LOAD LIMITS* LBS. at 60° GRADE 100 WORKING LOAD LIMITS* LBS. at 60°
In. mm
9/32 7 9,100 11,200
3/8 10 18,400 22,900
1/2 13 31,200 39,000
5/8 16 47,000 58,700
3/4 20 73,500 91,700
7/8 22 88,900 110,900
1 26 123,900
1-1/4 32 187,000

Chain Sling Inspection

Daily Inspection — as shown in No. 1
Recommendations — should be conducted by a competent person designated by the employer.
Periodic Inspection — OSHA specifies that all alloy steel chain slings shall have a thorough periodic inspection, by a competent person, at least once every 12 months. These inspections must be recorded and
maintained for each individual sling.
The inspection schedule should be based on frequency of sling use, severity of service conditions, nature of lifts being made and experience gained on service life of slings used in similar circumstances

Inspection
1. Clean chain prior to inspection, to more easily see damage or defects.

2. Hang chain vertically if practical, for preliminary inspection. Measure reach accurately (bearing point of master link to bearing point of hook). Check this length against reach shown on tag. If present length is greater than that shown on tag, there is a possibility that the sling has been subjected to overloading or excessive wear.
3. Make a link-by-link inspection of the chain slings for:
a. Excessive wear — If the wear on any portion of any link exceeds the allowable wear shown in Table of Wear remove from service.
b. Twisted, bent, gouged, nicked, worn or elongated links.
c. Cracks in the weld area of any portion of the link.
Transverse markings are the most dangerous.
d.Severe corrosion.
4. Check master links and hooks for all of the above faults — hooks especially for excessive throat opening. Slings showing any of the faults described above should immediately be removed from service and returned to the manufacturer for repair.
Certex offers a chain sling inspection service performed by our own qualified inspectors.

Types of Chain Slings

Single Chain Slings
The following information should be given on orders or inquiries for chain slings.
1. SIZE: This is specified by the size of the material from which the chain is made, determined by working load limit required.
2. REACH: This is the length, including attachments, measured from bearing point to bearing point.
3. TYPE: Select and specify proper type of sling from list shown. EXAMPLES: S—single, O—oblong link, S—sling hook.
4. ATTACHMENTS: Unless otherwise specified standard master links and hooks as given herein will be used. When other than standard master links or hooks are required, we should be given a complete description or a drawing of the requested substitute.
.

Single Chain Slings
Attachments
Type One End Opposite End
SG Plain Grab Hook
SOS Oblong Link Single Hook
SOG Oblong Link Grab Hook
SGS Grab Hook Sling Hook
SGG Grab Hook Grab Hook
SSS Sling Hook Sling Hook
SOF Oblong Link Foundry Hook
CO Oblong Link Oblong Link
Double Chain Slings
DOS Oblong Link Sling Hooks
DOG Oblong Link Grab Hooks
DOF Oblong Link Foundry Hooks
DOP Oblong Link Plate Hooks
Triple Chain Slings
TOS Oblong Link Sling Hooks
TOG Oblong Link Grab Hooks
TOF Oblong Link Foundry Hooks
Quadruple Chain Slings
QOS Oblong Link Single Hooks
QOG Oblong Link Grab Hooks
QOF Oblong Link Foundry Hooks

WARNING:
Failure to read, understand and follow the instructions, working load limits and specifications in this and other publications could result in serious injury or property damage.

Recommended Chain Sling Use

Follow these Recommendations for Safer Chain Sling Use

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Visually examine the sling before each use. Look for stretched, gouged, bent or damaged links and components, including hooks, with opened throats, cracks or distortion. If damaged, remove from service.

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Know the load — determine the weight, center of gravity, angle of lift and select the proper size and type of sling.

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Never overload the sling — check the working load limit on the identification tag. Always consider the effect of Angle of Lift — the tension on each leg of the sling is increased as the angle of lift, from horizontal, decreases. Use the charts in this catalog or in the Acco Chain Sling User’s Manual for this purpose.

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Do not point load hooks — load should bear on the bowl of hook.

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Make sure chain is not twisted, knotted or kinked before lifting the load.

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Slings should not be shortened with knots, bolts or other makeshift devices

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Protect chain with padding when lifting sharp edged loads.

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8. Lift and lower loads smoothly, do not jerk.
9. Hands and fingers should not be placed between the sling and load while sling is being tightened around the load. When lifted, the load should not be pushed or guided by employee’s hands directly on the load.
10. Do not expose A8A alloy chain or slings to temperatures above 500°F.
11. Protect chain slings from corrosion during storage.
12. Store slings properly on an A-Frame.

Grade 10 chain slings

Working Load Limits in tonnes for chain slings grade 10
Based on EN 818-4:2008 WLL +25%

60° 45° 30° 60° 45° 30°
Chain Size (mm) Chain Size (in) WLL (lb)  60° 90° 120° 60° 90° 120°
6 3300 5500 4625 3300 8400 6800 4850
7 9/32″ 4300 7400 6100 4300 11200 9100 6400
8 5/16″ 5700 9900 8100 5700 14800 12100 8500
10 3/8″ 8800 15200 12400 8800 22900 18700 13200
13 1/2″ 15000 26000 21200 15000 39000 31800 22500
16 5/8″ 22600 39100 32000 22600 58700 47900 33900
20 3/4″ 35300 61100 49900 35300 91700 74900 52950
22 7/8″ 42700 74000 60400 42700 110900 90600 64000
26 1″ 59700 103100 84100 59500 155600 126600 89250
32 1-1/4″ 88160 152700 124600 88160 229000 186950 132200