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HERC-ALLOY
800 CHAIN SLINGS
A higher strength heat treated alloy steel chain, CM grade 80 Herc-Alloy 800
chain is primarily used as a sling component for overhead lifting, but can
be used in rig-ging and tie down applications where a lighter weight high
strength chain is desirable.
Recommended for overhead lifting by NACM, ANSI, & OSHA.
CM grade 80 Herc-Alloy 800 chain slings and attachments are manufactured from
special analysis alloy steel, engineered for a superior combination of strength,
lightness and durability.
All Herc-Alloy 800 chain and attachments are black finish and/or color coded
orange for easy, permanent identification. The chain is embossed with the
grade (HA-800) and trace code.
Before shipment, all CM Herc-Alloy 800 chain slings undergo a succession of
demanding quality control checks. Every sling is proof tested, registered
and guaranteed for one year to be free from defects in materials and workmanship.
A durable metal tag attached to the sling permanently identifies the grade,
type, working load limit (at a specific angle of lift) and registration number
of the sling.
Chain slings are used primarily for overhead lifting and are generally used
in con-junction with a crane or some type of lifting device. Standard sling
configurations consist of chain branches which are affixed on one end to a
master link or ring with some type of attachment, usually a hook, affixed
to the opposite end.
TYPES
OF CHAIN SLINGS
In describiing the type, the following symbols should be used. If attachments
are other than standard, give detailed specifications.
| First Symbol (Basic Type): | Second Symbol (Type of Master or End Link): |
Third Symbol (Type of Hook): |
| S - Single chain sling. | O - Oblong master link of standard dimensions. | S - Sling Hook |
| C - Single choker chain sling with a standard end link on each end, no hooks. | P - Pear shaped master link. (Available on request - not a standard item). | G - Grab Hook |
| D - Double branch chain sling. | F - Foundry Hook | |
| T - Triple branch chain sling. | L - Latchlok | |
| Q - Quadruple branch chain sling. |
ADDITIONAL
CODING (Defined as follows):
AS - Adjustable single
ES - Endless single
SAL - Single adjustable loop
AD - Adjustable double
SB - Single basket
ED - Endless double
DAL - Double adjustable loop
DB - Double basket
|
Chain
Size
|
Nominal
Dimensions
|
Approx.
# Links Per Foot
|
Approx.
Weight Per
100 Feet (lbs.) |
Feet
Per Drum
|
||
|
Inches
|
MM
|
Inside
Length
|
Inside
Width
|
|||
|
7/32
|
5.5
|
.671
|
.296
|
17.9
|
44.7
|
800
|
|
9/32
|
7.0
|
.868
|
.395
|
13.8
|
74.2
|
500
|
|
5/16
|
8.0
|
1.05
|
.454
|
11.4
|
90.6
|
-
|
|
3/8
|
10.0
|
1.222
|
.572
|
9.8
|
145.9
|
500
|
|
1/2
|
13.0
|
1.404
|
.720
|
8.5
|
257.7
|
300
|
|
5.8
|
16.0
|
1.733
|
.854
|
6.9
|
387.3
|
200
|
|
3/4
|
20.0
|
2.160
|
1.052
|
5.5
|
622.0
|
100
|
|
7/8
|
22.0
|
2.250
|
1.137
|
5.3
|
776.4
|
100
|
|
1
|
26.0
|
2.664
|
1.348
|
4.5
|
995.4
|
100
|
|
1
1/4
|
32.0
|
3.250
|
1.656
|
3.7
|
1570.9
|
90
|
CM
HERC-ALLOY 800 CHAIN WORKING LOAD LIMITS
|
Chain
Size
|
Single
90°
|
Double
|
Triple
& Quad
|
|||||
|
Inches
|
MM
|
60°
|
45°
|
30°
|
60°
|
45°
|
30°
|
|
|
7/32
|
5.5
|
2,100
|
3,600
|
3,000
|
2,100
|
5,450
|
4,450
|
3,150
|
|
9/32
|
7.0
|
3,500
|
6,100
|
4,900
|
3,500
|
9,100
|
7,400
|
5,200
|
|
5/16
|
8.0
|
4,500
|
7,800
|
6,300
|
4,500
|
11,700
|
9,450
|
6,750
|
|
3/8
|
10.0
|
7,100
|
12,300
|
10,000
|
7,100
|
18,400
|
15,100
|
10,600
|
|
1/2
|
13.0
|
12,000
|
20,800
|
17,000
|
12,000
|
31,200
|
25,500
|
18,000
|
|
5/8
|
16.0
|
18,100
|
31,300
|
25,600
|
18,100
|
47,000
|
38,400
|
27,100
|
|
3/4
|
20.0
|
28,300
|
49,000
|
40,000
|
28,300
|
73,500
|
60,000
|
42,400
|
|
7/8
|
22.0
|
34,200
|
59,200
|
48,400
|
34,200
|
88,900
|
72,500
|
51,300
|
|
1
|
26.0
|
4,7700
|
82,600
|
67,400
|
47,700
|
123,900
|
101,200
|
71,500
|
|
1
1/4
|
32.0
|
72,300
|
125,200
|
102,200
|
72,300
|
187,800
|
153,400
|
108,400
|
HOW TO SELECT AND ORDER THE PROPER CHAIN SLING
CARE,
USE AND INSPECTION
The life and strength of CM Herc-Alloy 800 chain slings depend on proper inspection,
maintenance and use. For additional information, refer to ANSI B30.9 and OSHA
1910.184.
Care
Chain requires careful storage and regular maintenance.
• Store chains on an A frame in a clean, dry place.
• To avoid corrosion, oil chains before prolonged storage.
• Do not heat CM Herc-Alloy 800 chain; this will alter its thermal treatment.
• Do not plate or change surface finish of chain. Contact Samson Industrial
for special requirements.
Use
To protect both operators and materials, observe these precautions when using
chain slings:
• Before use, inspect chain and attachments following the instructions
under “Inspection” below.
• Do not exceed working load limit. Any of the factors listed here can
reduce the load the chain will hold:
• Acceleration in rate of load application — can produce dangerous
overloading.
• Variation in the angle of the load to the sling — as the angle
decreases, the working load of the sling will increase.
• Twisting, knotting or kinking — subjects links to unusual loading
decreasing the working load of the sling.
• Center load in hook(s); hook latches must not support load.
• Avoid sudden jerks when lifting and lowering.
• Balance all loads; avoid tipping of loads.
• Use pads around sharp corners.
• Do not drop load on chains.
• Match the size and working load limit of attachments such as hooks
or rings to the size and working load limit of the chain.
• For overhead lifting, use only alloy chain and attachments (grade 80).
Inspection
It is important both to inspect chain slings regularly and to keep a record
of all chain inspections. Follow this guide for such an inspection system.
• Before inspecting, clean chains with a non-acid/non-caustic solvent
so that marks, nicks, wear and other defects are visible.
• Inspect each link for these conditions:
• Twists or bends.
• Nicks or gouges.
• Excessive wear at bearing points.
• Stretch.
• Distorted or damaged master links, coupling links or attachments, especially
spread in throat opening of hooks.
• Mark plainly with paint each link or attachment showing any of the
conditions listed here to indicate rejection; remove from service until properly
repaired.
|
Chain
Size Inches
Chain
Reach D Feet
|
Working
Load Limit Lbs.
|
Link
Diameter
|
Weight
Pounds |
||||
|
Single
@ 90°
|
Double
@ 60°
|
A
|
B
|
C
|
|||
|
7/32
|
6
|
2,100
|
3,600
|
2
|
2
|
15/16
|
4
1/2
|
|
7/32
|
10
|
2,100
|
3,600
|
2
|
2
|
15/16
|
6
1/2
|
|
9/32
|
6
|
3,500
|
6,100
|
3
|
3
1/2
|
1
1/16
|
8
|
|
9/32
|
10
|
3,500
|
6,100
|
3
|
3
1/2
|
1
1/16
|
11
|
|
3/8
|
10
|
7,100
|
1,2300
|
3
1/4
|
3
1/4
|
1
9/16
|
19
|
Adjust-A-Link is a registered trademark of LiftAll® Products for Better Lifting.
CM
HERC-ALLOY 800 CHAIN SLING ASSEMBLY
American National Standard ANSI B30.9, the National Association of Chain Manufacturers,
and the Occupational Safety & Health Administration recommend only the
use of alloy steel chain for overhead lifting, i.e. for sling chain. Slings
may
be constructed by the user using CM grades 63 or 80 chain, Columbus McKinnon
alloy attachments and Columbus McKinnon Hammerlok coupling links. Columbus
McKinnon uses grade 80 chain and alloy steel welded coupling links instead
of
Hammerlok coupling links for construction of welded slings. Further, ANSI
B30.9 requires that mechanically assembled slings be comprised entirely of
proof tested components. For ease of compliance, all Columbus McKinnon alloy
hooks, master
links, master link sub-assemblies and Hammerlok coupling links are proof tested
at the time of manufacture. Since alloy chain is also proof tested, a mechanically
assembled sling using CM components is made up entirely of proof tested components.
CM makes it easy for you to assemble the right chain sling for every job quickly,
easily and cost effectively, right in your own plant. Because we have incorporated
many advanced engineering and design features, the custom chain slings you
assemble using Herc-Alloy 800 chain and attachments are just as strong and
just as dependable as factory assembled slings, and OSHA approved.
CM Hammerlok coupling links are used for attaching chain to master
links and eye type hooks, or for installing a new branch of body chain to
old slings. Made from larger size stock than the chain they are used with,
they
provide greater interlink wearing surface. Every link is marked with the size
of Herc-Alloy 800 chain it accommodates. Load pin and stud can be assembled
quickly and easily with just a hammer.
CM Clevlok hooks feature a simple clevis device; single retaining pin
is easily inserted or removed with standard tools. The short clevis slot helps
eliminate pin bending. Clevlok hooks are lighter and less bulky than comparable
assemblies, and easier to remove from beneath loads. Available with either
engineered Cradle Grab or sling hook bodies.
TYPE
347 STAINLESS STEEL CHAIN AND ATTACHMENTS
NOTE: Although the only chain recommended by NACM, ANSI and OSHA for overhead
lifting is Alloy Chain (Grade 63 or Grade 80), there are occasions when use
of Type 347 Stainless Steel Alloy chain with a lower working load limit will
provide superior longevity in service. Type 347 Stainless Steel Chain is the
preferred lifting chain in some corrosive and elevated temperature environments
where the effects of corrosion or extreme heat can have an effect on Grade
63 or Grade 80 chain.
Type 347 chain is available in running lengths as well as single, double,
triple & quad branch sling chains. Sling hooks and grab hooks are available.
Chain is embossed SSTL.
Corrosion Resistance
• Good — Foodstuffs, sterilizing solutions, most organic chemicals, many inorganic chemicals, dyestuffs, nitric acid, fresh and salt water, weak sulphuric acid.
• Poor — Strong sulphuric acid, hydrochloric acid, chloride salts, halogens (fluorine, bromine, iodine, and chlorine).
Uses:
• Textile dye vats.
• Non-magnetic applications.
• High temperature applications.
• Nitric acid pickling baths.
• Salt or fresh water.
• Foodstuff handling.
High Temperature Properties
Retains considerable strength at temperatures up to 1600°F. The maximum
recommended temperature for continuous service is 1000°F and for intermittent
service 1600°F.
CM ALLOY CLEVIS TYPE CHAIN HOOK