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SLING SELECTION & WORKING LOAD LIMITS CHAIN & SLING INSPECTION, USE & CARE HOW TO SELECT THE PROPER CHAIN SLING 1. Determine the weight and configuration of the load(s) to be lifted. 2. Determine the type of chain sling required, according to weight and configuration. 3. Determine the size of the body chain according to the working load limits. Be sure to take into consideration the effect of the required angle (see diagram below). 4. Determine the reach required to give the desired angle. This is measured from the upper bearing surface of the master link to the bearing surface of the lower attachment. 5. Know share of load on pick points and location of center of gravity. WHAT DETERMINES A SLING’S WORKING LOAD LIMIT The working load limit of slings is based on the following factors: • Type of hitch • Material strength • Design factor • Diameter of curvature (D/d) • Angle of loading For specific information on the working load limit of various slings, see page 31. When using a sling, loads are frequently lifted at an angle. This can affect their working load limits. In the diagram to the right, the percentages shown represent the maximum working load limit of the sling when used at the designated angle. For example: One 3/8" Grade 80 double sling used at 90˚ would have a working load limit of 2 times the working load of a 3/8" Grade 80 single or 2 x 7, 100 lbs. = 14,200 lbs. The same double sling used at 35º would have a maximum working load limit of 57% of 14,200 lbs. or .57 x 14,200 lbs. = 8,094 lbs. Improper use, application or care of slings can result in injury or property damage. To avoid injury or damage: Never exceed the working load limit. Confirm the working load limit of all sling components are of equal or greater strength. Always inspect slings before use for wear, damage, and elongation. Refer to ANSI B30.9 and OSHA regulations. Do not impact or shock load. Apply load slowly. Protect from corrosion and high temperatures. Use with alloy chain for overhead lifting. Do not use twisted, knotted or kinked chain. 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 80 or 100 Chain, CM alloy attachments and CM mechanical coupling links (Hammerloks ® ). Columbus McKinnon uses Grade 80 or 100 chain and alloy steel welded coupling links instead of Hammerloks for construction of welded slings. Refer to this catalog’s product overview sections for “Chain,” “Hooks” and “Rings and Links” for detailed information on components which may be used in the construction of slings. CHAIN & RIGGING ATTACHMENTS (CMRP-6) 30 PHONE: 800.888.0985 WWW.CMWORKS.COM
SINGLE LEG (VERTICAL) SINGLE LEG (CHOKER) DOUBLE (2 LEGS) TRIPLE (3 LEGS) QUADRUPLE (4 LEGS) BASKET TYPE DOUBLE BASKET TYPE CHAIN & SLING INSPECTION, USE & CARE 120° or greater 90° 60° 45° 30° 60° 45° 30° SINGLE OR SINGLE ENDLESS SINGLE CHOKER DOUBLE, DOUBLE ENDLESS* OR SINGLE BASKET TRIPLE, QUADRUPLE OR DOUBLE BASKET Chain Size (in.) Single (1 leg) 90º (lbs.) Single Choker 90º (lbs.) GRADE 80 CHAIN SLINGS 60º (lbs.) Working Load Limits for Sling Types Show Above Double (2 legs) Triple (3 legs) Quad (4 legs) 45º (lbs.) 30º (lbs.) 60º (lbs.) 45º (lbs.) 30º (lbs.) 60º (lbs.) 45º (lbs.) 30º (lbs.) Single Basket 60º (lbs.) Double Basket 60º (lbs.) Single Endless 90º (lbs.) Double Endless* 7/32 2,100 1,700 3,600 3,000 2,100 5,500 4,400 3,200 5,500 4,400 3,200 3,600 5,500 2,100 3,600 9/32 3,500 2,800 6,100 4,900 3,500 9,100 7,400 5,200 9,100 7,400 5,200 6,100 9,100 3,500 6,100 5/16 4,500 3,600 7,800 6,400 4,500 11,700 9,500 6,800 11,700 9,500 6,800 7,800 11,700 4,500 7,800 3/8 7,100 5,700 12,300 10,000 7,100 18,400 15,100 10,600 18,400 15,100 10,600 12,300 18,400 7,100 12,300 1/2 12,000 9,600 20,800 17,000 12,000 31,200 25,500 18,000 31,200 25,500 18,000 20,800 31,200 12,000 20,800 5/8 18,100 14,500 31,300 25,600 18,100 47,000 38,400 27,100 47,000 38,400 27,100 31,300 47,000 18,100 31,300 3/4 28,300 22,600 49,000 40,000 28,300 73,500 60,000 42,400 73,500 60,000 42,400 49,000 73,500 28,300 49,000 7/8 34,200 27,400 59,200 48,400 34,200 88,900 72,500 51,300 88,900 72,500 51,300 59,200 88,900 34,200 59,200 1 47,700 38,200 82,600 67,400 47,700 123,900 101,200 71,500 123,900 101,200 71,500 82,600 123,900 47,700 82,600 1-1/4 72,300 57,800 125,200 102,200 72,300 187,800 153,400 108,400 187,800 153,400 108,400 125,200 187,800 72,300 125,200 GRADE 100 CHAIN SLINGS 7/32 2,700 2,100 4,700 3,800 2,700 7,000 5,700 4,000 7,000 5,700 4,000 4,700 7,000 2,700 4,700 9/32 4,300 3,500 7,400 6,100 4,300 11,200 9,100 6,400 11,200 9,100 6,400 7,400 11,200 4,300 7,400 3/8 8,800 7,100 15,200 12,400 8,800 22,900 18,700 13,200 22,900 18,700 13,200 15,200 22,900 8,800 15,200 1/2 15,000 12,000 26,000 21,200 15,000 39,000 31,800 22,500 39,000 31,800 22,500 26,000 39,000 15,000 26,000 5/8 22,600 18,100 39,100 32,000 22,600 58,700 47,900 33,900 58,700 47,900 33,900 39,100 58,700 22,600 39,100 3/4 35,300 28,300 61,100 49,900 35,300 91,700 74,900 53,000 91,700 74,900 53,000 61,100 91,700 35,300 61,100 * Also applies to double endless slings at 60º. Do not use double endless slings at angles less than 60º. Based on OSHA and ASME B30.9 standards – Always use the sling tag for the working load limits. Factory assembled HERC-ALLOY 800 ® or HERC-ALLOY ® 1000 chain slings have the “HERC-ALLOY 800 ® ” or “HERC-ALLOY ® 1000” trademark on serial number tags and on the sling hooks. On chain sizes 7/32" through 1-1/4" (7/32" through 3/4" for HA1000), links are embossed with grade symbol “HA-800” or “HA-1000”. This data applies to Herc-Alloy 800 ® & Herc-Alloy ® 1000 chain only. Ratings apply to both factory assembled slings and slings assembled with Hammerlok ® coupling links, Clevlok ® hooks, or Lodelok ® hooks. 60º (lbs.) WWW.CMWORKS.COM CHAIN & RIGGING ATTACHMENTS (CMRP-6) PHONE: 800.888.0985 31
Page 1 and 2: CHAIN & RIGGING ATTACHMENTS SHACKLE
Page 3 and 4: TABLE OF CONTENTS PRODUCT OVERVIEW
Page 6 and 7: BUY WITH CONFIDENCE CM is Proud to
Page 9 and 10: PRODUCT OVERVIEW From CM Chain and
Page 11 and 12: DIMENSIONS, WEIGHTS & WLL Chain Siz
Page 13 and 14: STANDARD TYPES OF CM CHAIN SLINGS S
Page 15 and 16: NON-OVERHEAD LIFTING HOOKS Non-over
Page 17 and 18: PRODUCT OVERVIEW NON-OVERHEAD LIFTI
Page 19 and 20: WIRE ROPE ATTACHMENTS OVERVIEW Wire
Page 21 and 22: BINDER CHAIN ASSEMBLIES Binder Chai
Page 23 and 24: CHAIN & SLING INSPECTION, USE & CAR
Page 25 and 26: CHAIN & SLING INSPECTION, USE & CAR
Page 27 and 28: transverse nick in an area of high
Page 29: CHAIN SELECTION & WORKING LOAD LIMI
Page 33 and 34: VISIT OUR BLOG AT BLOG.CMWORKS.COM
Page 35 and 36: Horizontal Angle 3-LEG BRIDLE 6X19
Page 37 and 38: SYNTHETIC ROUNDSLING WORKING LOAD L
Page 39: CMCO UNIVERSITY CMCO University is
Page 42 and 43: RIGG ING & ATTACH CHME MENT NTS SHA
Page 57 and 58: CHAIN SLINGS & COMPONENTS RATED FOR
Page 59 and 60: CHAIN SLINGS & COMPONENTS CHAIN SLI
Page 61 and 62: CHAIN SLINGS & COMPONENTS HERC-ALLO
Page 63 and 64: RI GGIN ING & ATTACHMENTS CHAIN SLI
Page 73 and 74: CHAIN SLINGS & COMPONENTS HERC-ALLO
Page 81 and 82:
RI GGIN ING & ATTACHMENTS CHAIN SLI
Page 83:
RI GGIN ING & ATTACHMENTS CHAIN SLI
Page 86 and 87:
RIGGING HARDWARE RIGGING HARDWARE O
Page 88 and 89:
RIGGING HARDWARE SORTING HOOK HERC-
Page 90 and 91:
RIGGING HARDWARE RIGGING HOOK WORKI
Page 92 and 93:
RIGGING HARDWARE REPLACEMENT HOOK W
Page 94 and 95:
RIGGING HARDWARE MASTER LINK WITH &
Page 96 and 97:
RIGGING HARDWARE SHOULDER EYE BOLTS
Page 98 and 99:
5,000 LBS. RIGGING HARDWARE HOIST R
Page 100 and 101:
RIGGING HARDWARE SPECIALTY ENGINEER
Page 102 and 103:
RIGGING HARDWARE HOIST RING SWIVEL
Page 104 and 105:
RIGGING HARDWARE WIRE ROPE CLIPS SI
Page 106 and 107:
RIGGING HARDWARE PIGGYBACK ® SIZES
Page 108 and 109:
RIGGING HARDWARE SWAGE SOCKET (CLOS
Page 111 and 112:
BELOW-THE- HOOK ATTACHMENTS CAMLOK
Page 113 and 114:
RI GGIN ING & ATTACHMENTS BELOW-THE
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RIGG ING & ATTACH CHME MENT NTS TRA
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Page 159 and 160:
SPECIALTY CHAIN & COMPONENTS Winch
Page 161 and 162:
RI GGIN ING & ATTACHMENTS SPECIALTY
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Page 167 and 168:
ENTERTAINMENT RIGGING PRODUCTS ENTE
Page 169:
RIGGING & ATTACHMENTS ENTERTAINMENT
Page 172 and 173:
ELECTRIC HOISTS MODEL COMPARISON SH
Page 175 and 176:
AIR HOISTS MODEL COMPARISON SHOPAIR
Page 177 and 178:
MODEL COMPARISON PA RATCHET LEVER H
Page 179 and 180:
MODEL COMPARISON HURRICANE 360° HA
Page 181 and 182:
BANDIT TM RATCHET LEVER HOIST SUGGE
Page 183 and 184:
BANDIT TM RATCHET LEVER HOIST HOIST
Page 185 and 186:
HURRICANE 360° TM HAND CHAIN HOIST
Page 187 and 188:
BEAM CLAMP BEAM CLAMP Ideal as an a
Page 189 and 190:
Twin Beam Clamps enable one beam to
Page 191 and 192:
OVERHEAD LIFTING The process of lif
Page 193 and 194:
INDEX (BY PRODUCT NAME) PRODUCT NAM
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INDEX (BY SECTION) PRODUCT NAME PAG
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INDEX (BY PRODUCT CODE) PRODUCT COD
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WWW.CMWORKS.COM CHAIN & RIGGING ATT
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