FS Industries ENGINEERED STEEL PRODUCTS
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LiftAlloy QUAD CHAIN SLINGS
liftalloy chain slings

LiftAlloy Grade 80 chain slings are recommended for rugged
industrial applications in harsh environments where flexibility,
abrasion resistance and long life are required. OSHA required
annual inspections can be performed by our trained personnel.

NOTE: Proof Coil Grad 30, High Test Grade 40 and Grade
70 transport tiedown chain and their fittings are not
recommended for listing or hoisting per ASME B30.9.
FEATURES, ADVANTAGES AND BENEFITS

Promotes Safety
• Permanent steel capacity tag is serialized for identification
• Welded slings offer the security of tamper proof assemblies.
Saves Money
• Alloy Steel construction assures long lift.
• Can be repaired, proof tested and recertified.
Saves Time
• Easy to inspect for damage.
• Stores easily.
HOW TO ORDER CHAIN SLINGS
Specify:

1. Chain Size - inches
2. Number of legs = Quad (Q)
3. Master Link (Type) -

4. Bottom Attachments -

Sling Hook = S
Grab Hook = G
Sling Hook = S
Foundry Hook = F
Oblong Link = O
Oblong Link = O
Grab Hook = G
Sling Hook = S
Example: QOS = Double Sling, Oblong Link with a Sling Hook Bottom attachment.
LiftAlloy QUAD CHAIN SLINGS
quad chain slings
Order Online, by Phone, or by E-Mail

~ Add items to your online shopping cart ~
Click a Price of the item you wish to purchase.
PRICING - QOS - QUAD CHAIN SLINGS
Type QOS (CONTACT US FOR SPECIAL LENGTHS)
Chain
Size
(in.)		 †Rated
*Cap.@
60°
(lbs.)		 Approx.
Wgt.
5 foot
Reach
(lbs.)		 3' 4' 5' 6' 8' 10' 12' 14' 16' 18' 20' Add per
foot of
extra
reach		 Latch
Kits ea.
Per hook
7/32
5,450
16
$39.12
9/32
9,100
19
$45.31
3/8
18,400
36
$66.56
1/2
31,200
63
$104.57
5/8
47,000
100
$151.86
3/4
73,500
140
$239.09
7/8
88,900
187
$371.64
1
123,900
250
$596.92
1 1/4
187,800
406
$1,128.11
PRICING - QOG - QUAD CHAIN SLINGS
Type QOG (CONTACT US FOR SPECIAL LENGTHS)
Chain
Size
(in.)		 †Rated
*Cap.@
60°
(lbs.)		 Approx.
Wgt.
5 foot
Reach
(lbs.)		 3' 4' 5' 6' 8' 10' 12' 14' 16' 18' 20' Add per
foot of
extra
reach		 Latch
Kits ea.
Per hook
7/32 5,450 16
$39.12
9/32 9,100 19
$45.31
3/8 18,400 36
$66.56
1/2 31,200 63
$104.57
5/8 47,000 100
$151.86
3/4 73,500 140
$239.09
7/8 88,900 187
$371.64
1 123,900 250
$596.92
1 1/4 187,800 406
$1,128.11
Order Online, by Phone, or by E-Mail

~ Add items to your online shopping cart ~
Click a Price of the item you wish to purchase.
PRICING - QOF - QUAD CHAIN SLINGS
Type QOF (CONTACT US FOR SPECIAL LENGTHS)
Chain
Size
(in.)		 †Rated
*Cap.@
60°
(lbs.)		 Approx.
Wgt.
5 foot
Reach
(lbs.)		 3' 4' 5' 6' 8' 10' 12' 14' 16' 18' 20' Add per
foot of
extra
reach		 Latch
Kits ea.
Per hook
9/32 9,100 19
$45.31
3/8 18,400 36
$66.56
1/2 31,200 63
$104.57
5/8 47,000 100
$151.86
3/4 73,500 140
$239.09
7/8 88,900 187
$371.64
1 123,900 250
$596.92
1 1/4 187,800 406
$1,128.11
PRICING - QOL - QUAD CHAIN SLINGS
Type QOL (CONTACT US FOR SPECIAL LENGTHS)
Chain
Size
(in.)		 †Rated
*Cap.@
60°
(lbs.)		 Approx.
Wgt.
5 foot
Reach
(lbs.)		 3' 4' 5' 6' 8' 10' 12' 14' 16' 18' 20' Add per
foot of
extra
reach		 Latch
Kits ea.
Per hook
9/32 9,100 19
$45.31
3/8 18,400 36
$66.56
1/2 31,200 63
$104.57
5/8 47,000 100
$151.86
3/4 73,500 140
$239.09
NOTE: † Also referred to as "Working Load Limit".
Do not exceed rated capacities. Sling capacity decreases as the angle from horizontal decreases.
Slings should not be used at angles of less than 30°. Refer to chain chart and Effect of Angle chart below.
Effect of Angle of Lift on a Sling's Rated Capacity
DEFINITION
serves to alert users to potentially hazardous situations which often occur in the use of these products.
Failure to read, understand and follow the accompanying instructions on how to avoid these situations
could result in death or serious injury.
Using slings at an angle can become deadly if that angle is not taken into consideration when selecting the sling to be
used. The tension on each leg of the sling is increased as the angle of lift, from horizontal, decreases. It is most desirable
for a sling to have a larger angle of lift, approaching 90°. Lifts with angles of less than 30° from horizontal are not
recommended. If you can measure the angle of lift or the length and height of the sling as rigged, you can determine
the properly rated sling for your lift.
What would be the rating of each sling
rigged at this angle?		 choker hitch vertical hitch What capacity sling do I need?
1. Determine the weight that the sling
    will be lifting [LW].
1. Calculate the Reduction Factor [RF].
a. Using the angle from horizontal,
    read across the Angle Chart to the
    corresponding number of the
    Reduction Factor column.		 2. Calculate the Tension Factor [TF].
a. Using the angle from horizontal,
    read across the angle chart to the
    corresponding number of Tension
    Factor column.
-OR-
b. Divide sling height* [H] by sling
    length* [L].
-OR-
b. Divide sling height* [H] by sling
    length* [L].
Choker Hitch
Vertical Hitch
2. Reduction Factor [RF] x the sling's
    rated capacity for the type hitch that
    will be used = Sling's Reduced Rating.
vertical basket hitch
3. Lifting Weight [LW] x the Tension
    Factor [TF] = Minimum Sling Rating
    for the type of hitch that will be used.
Vertical
Basket
Hitch
*Measured from a common horizontal plane to
the hoisting hook.
*Measured from a common horizontal
plane to the hoisting hook.
Reduced Capacity
Effect of Angle Chart
Increasing Tension
vertical choker
Reduction
Factor		 Angle
From
Horizontal

Tension
Factor
(TF)
1.000 90° 1.000
0.996 85° 1.004
0.985 80° 1.015
0.966 75° 1.035
0.940 70° 1.064
0.906 65° 1.104
0.866 60° 1.155
0.819 55° 1.221
0.766 50° 1.305
0.707 45° 1.414
0.643 40° 1.555
0.574 35° 1.742
0.500 30° 2.000
vertical basket hitch

Example:
Vertical Choker rating of each sling = 6,000 lbs.
Measured Length (L) = 6 ft.
Measured Height (H) = 4 ft.
Reduction Factor (RF) = 4 (H) ÷ 6 (L) = .667
Reduced sling rating in this configuration = .667
(RF) x 6,000 lbs. = 4,000 lbs. of lifting capacity
per sling

Example:
Load Weight = 1,000 lbs.
Rigging - 2 slings in vertical hitch
Lifting Weight (LW) per sling = 500 lbs.
Measured Length (L) = 10 ft.
Measured Height (H) = 5 ft.
Tension Factor (TF) = 10 (L) ÷ 5 (H) = 2.0
Minimum Vertical Rated Capacity required
for this lift = 500 (LW) x 2.0 (TF) = 1,000
lbs. per sling
Sling capacity decreases as the angle
from horizontal decrease. Sling angles
of less than 30° are not recommended.
LiftAlloy Single Chain Slings, Lift-All, Sling, Lifting Slings, Sling Hook, Grab Hook, Foundry Hook, Latch Hook, Double
Chain Slings, Triple Chain Slings, Quad Chain Slings, and Basket Type Chain Slings from your source for material
handling equipment.
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