Appendix II - Appendix II to Part 1918—Tables for Selected Miscellaneous Auxiliary Gear (Mandatory)
This appendix is mandatory and is to be used in the appropriate sections of part 1918 when certificates or the manufacturers' use recommendations are not available.
Table 1—Wire Rope Clips
| Improved plow steel, rope (Inches (cm)) | Minimum number of clips | Minimum spacing (Inches (cm)) | Drop forged | Other
material | 1/2 or less (1.3) | 3 | 4 | 3 (7.6) | 5/8 (1.6) | 3 | 4 | 3 3/4 (9.5) | 3/4 (1.9) | 4 | 5 | 4 1/2 (11.4) | 7/8 (2.2) | 4 | 5 | 5 1/4 (13.3) | 1 (2.5) | 5 | 6 | 6 (15.2) | 1 1/8 (2.9) | 6 | 6 | 6 3/4 (17.1) | 1 1/4 (3.2) | 6 | 7 | 7 1/2 (19.1) | 1 3/8 (3.5) | 7 | 7 | 8 1/4 (21.0) | 1 1/2 (3.8) | 7 | 8 | 9 (22.9) |
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Table 2—Natural Fiber Rope and Rope Slings—Load Capacity in Pounds (lbs.) Safety Factor = 5—Eye and Eye Sling—Basket Hitch
[Angle of rope to horizontal—90 deg. 60 deg. 45 deg. 30 deg.]
| Rope diameter nominal inch | Vertical hitch | Choker hitch | Angle of rope to vertical | 0 deg. | 30 deg. | 45 deg. | 60 deg. | 1/2 | 550 | 250 | 1,100 | 900 | 750 | 550 | 9/16 | 700 | 350 | 1,400 | 1,200 | 1,000 | 700 | 5/8 | 900 | 450 | 1,800 | 1,500 | 1,200 | 900 | 3/4 | 1,100 | 550 | 2,200 | 1,900 | 1,500 | 1,100 | 13/16 | 1,300 | 650 | 2,600 | 2,300 | 1,800 | 1,300 | 7/8 | 1,500 | 750 | 3,100 | 2,700 | 2,200 | 1,500 | 1 | 1,800 | 900 | 3,600 | 3,100 | 2,600 | 1,800 | 1 1/16 | 2,100 | 1,100 | 4,200 | 3,600 | 3,000 | 2,100 | 1 1/8 | 2,400 | 1,200 | 4,800 | 4,200 | 3,400 | 2,400 | 1 1/4 | 2,700 | 1,400 | 5,400 | 4,700 | 3,800 | 2,700 | 1 5/16 | 3,000 | 1,500 | 6,000 | 5,200 | 4,300 | 3,000 | 1 1/2 | 3,700 | 1,850 | 7,400 | 6,400 | 5,200 | 3,700 | 1 5/8 | 4,500 | 2,300 | 9,000 | 7,800 | 6,400 | 4,500 | 1 3/4 | 5,300 | 2,700 | 10,500 | 9,200 | 7,500 | 5,300 | 2 | 6,200 | 3,100 | 12,500 | 10,500 | 8,800 | 6,200 | 2 1/8 | 7,200 | 3,600 | 14,500 | 12,500 | 10,000 | 7,200 | 2 1/4 | 8,200 | 4,100 | 16,500 | 14,000 | 11,500 | 8,200 | 2 1/2 | 9,300 | 4,700 | 18,500 | 16,000 | 13,000 | 9,300 | 2 5/8 | 10,500 | 5,200 | 21,000 | 18,000 | 14,500 | 10,500 | 1/2 | 950 | 500 | 1,900 | 1,700 | 1,400 | 950 | 9/16 | 1,200 | 600 | 2,500 | 2,200 | 1,800 | 1,200 | 5/8 | 1,600 | 800 | 3,200 | 2,700 | 2,200 | 1,600 | 3/4 | 2,000 | 950 | 3,900 | 3,400 | 2,800 | 2,000 | 13/16 | 2,300 | 1,200 | 4,700 | 4,100 | 3,300 | 2,300 | 7/8 | 2,800 | 1,400 | 5,600 | 4,800 | 3,900 | 2,800 | 1 | 3,200 | 1,600 | 6,500 | 5,600 | 4,600 | 3,200 | 1 1/16 | 3,800 | 1,900 | 7,600 | 6,600 | 5,400 | 3,800 | 1 1/8 | 4,300 | 2,200 | 8,600 | 7,500 | 6,100 | 4,300 | 1 1/4 | 4,900 | 2,400 | 9,700 | 8,400 | 6,900 | 4,900 | 1 5/16 | 5,400 | 2,700 | 11,000 | 9,400 | 7,700 | 5,400 | 1 1/2 | 6,700 | 3,300 | 13,500 | 11,500 | 9,400 | 6,700 | 1 5/8 | 8,100 | 4,100 | 16,000 | 14,000 | 11,500 | 8,100 | 1 3/4 | 9,500 | 4,800 | 19,000 | 16,500 | 13,500 | 9,500 | 2 | 11,000 | 5,600 | 22,500 | 19,500 | 16,000 | 11,000 | 2 1/8 | 13,000 | 6,500 | 26,000 | 22,500 | 18,500 | 13,000 | 2 1/4 | 15,000 | 7,400 | 29,500 | 25,500 | 21,000 | 15,000 | 2 1/2 | 16,500 | 8,400 | 33,500 | 29,000 | 23,500 | 16,500 | 2 5/8 | 18,500 | 9,500 | 37,000 | 32,500 | 26,500 | 18,500 |
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Table 3A
| Polypropylene Rope and Rope Slings | Load Capacity in Pounds (lbs.) Safety Factor = 6 | Eye and Eye Sling | Basket Hitch | Angle of rope to horizontal |
| Rope diameter nominal in. | Vertical hitch | Choker hitch | Angle of rope to vertical | 0 deg. | 30 deg. | 45 deg. | 60 deg. | 1/2 | 650 | 350 | 1,300 | 1,200 | 950 | 650 | 9/16 | 800 | 400 | 1,600 | 1,400 | 1,100 | 800 | 5/8 | 1,000 | 500 | 2,000 | 1,700 | 1,400 | 1,000 | 3/4 | 1,300 | 700 | 2,700 | 2,300 | 1,900 | 1,300 | 13/16 | 1,600 | 800 | 2,600 | 2,300 | 2,200 | 1,600 | 7/8 | 1,800 | 900 | 3,100 | 2,700 | 2,600 | 1,800 | 1 | 2,200 | 1,100 | 3,600 | 3,100 | 3,100 | 2,200 | 1 1/16 | 2,500 | 1,300 | 4,200 | 3,600 | 3,600 | 2,500 | 1 1/8 | 2,900 | 1,500 | 4,800 | 4,200 | 4,100 | 2,900 | 1 1/4 | 3,300 | 1,700 | 6,700 | 5,800 | 4,700 | 3,300 | 1 5/16 | 3,700 | 1,900 | 7,400 | 6,400 | 5,300 | 3,700 | 1 1/2 | 4,700 | 2,400 | 9,400 | 8,100 | 6,700 | 4,700 | 1 5/8 | 5,700 | 2,900 | 11,500 | 9,900 | 8,100 | 5,700 | 1 3/4 | 6,800 | 3,400 | 13,500 | 12,000 | 9,600 | 6,800 | 2 | 8,200 | 4,100 | 16,500 | 14,500 | 11,500 | 8,200 | 2 1/8 | 9,700 | 4,800 | 19,500 | 16,500 | 13,500 | 9,700 | 2 1/4 | 11,000 | 5,500 | 22,000 | 19,000 | 15,500 | 11,000 | 2 1/2 | 12,500 | 6,300 | 25,500 | 22,000 | 18,000 | 12,500 | 2 5/8 | 14,500 | 7,100 | 28,500 | 24,500 | 20,000 | 14,500 |
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Table 3B
| Polypropylene Rope and Rope Slings | Load Capacity in Pounds (lbs.) Safety Factor = 6 | Endless Sling | Basket Hitch | Angle of rope to horizontal | 90 deg. 60 deg. 45 deg. 30 deg. |
| Rope diameter nominal in. | Vertical hitch | Choker hitch | Angle of rope to vertical | 0 deg. | 30 deg. | 45 deg. | 60 deg. | 1/2 | 1,200 | 600 | 2,400 | 2,100 | 1,700 | 1,200 | 9/16 | 1,500 | 750 | 2,900 | 2,500 | 2,100 | 1,500 | 5/8 | 1,800 | 900 | 3,500 | 3,100 | 2,500 | 1,800 | 3/4 | 2,400 | 1,200 | 4,900 | 4,200 | 3,400 | 2,400 | 13/16 | 2,800 | 1,400 | 5,600 | 4,900 | 4,000 | 2,800 | 7/8 | 3,300 | 1,600 | 6,600 | 5,700 | 4,600 | 3,300 | 1 | 4,000 | 2,000 | 8,000 | 6,900 | 5,600 | 4,000 | 1 1/16 | 4,600 | 2,300 | 9,100 | 7,900 | 6,500 | 4,600 | 1 1/8 | 5,200 | 2,600 | 10,500 | 9,000 | 7,400 | 5,200 | 1 1/4 | 6,000 | 3,000 | 12,000 | 10,500 | 8,500 | 6,000 | 1 5/16 | 6,700 | 3,400 | 13,500 | 11,500 | 9,500 | 6,700 | 1 1/2 | 8,500 | 4,200 | 17,000 | 14,500 | 12,000 | 8,500 | 1 5/8 | 10,500 | 5,100 | 20,500 | 18,000 | 14,500 | 10,500 | 1 3/4 | 12,500 | 6,100 | 24,500 | 21,000 | 17,500 | 12,500 | 2 | 15,000 | 7,400 | 29,500 | 25,500 | 21,000 | 15,000 | 2 1/8 | 17,500 | 8,700 | 35,500 | 30,100 | 24,500 | 17,500 | 2 1/4 | 19,500 | 9,900 | 39,500 | 34,000 | 28,000 | 19,500 | 2 1/2 | 23,000 | 11,500 | 45,500 | 39,500 | 32,500 | 23,000 | 2 5/8 | 25,500 | 13,000 | 51,500 | 44,500 | 36,500 | 25,500 |
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Table 4A—Rated Load for Grade 80 Alloy Steel Chain Slings 1 (Chain per NACM)
| Chain size nominal | Single leg sling-90 deg. to horizontal loading | Rated load double leg sling horizontal angle (note 2) | inch | mm | lb | kg | 60 deg.
Double at 60 deg. | 45 deg.
Double at 45 deg. | 30 deg.
Double at 30 deg. | lb | kg | lb | kg | lb | kg | 1/4 | 7 | 3,500 | 1,570 | 6,100 | 2,700 | 4,900 | 2,200 | 3,500 | 1,590 | 3/8 | 10 | 7,100 | 3,200 | 12,300 | 5,500 | 10,000 | 4,500 | 7,100 | 3,200 | 1/2 | 13 | 12,000 | 5,400 | 20,800 | 9,400 | 17,000 | 7,600 | 1,200 | 5,400 | 5/8 | 16 | 18,100 | 8,200 | 31,300 | 14,200 | 25,600 | 11,600 | 18,100 | 8,200 | 3/4 | 20 | 28,300 | 12,800 | 49,000 | 22,300 | 40,000 | 18,200 | 28,300 | 12,900 | 7/8 | 22 | 34,200 | 15,500 | 59,200 | 27,200 | 48,400 | 22,200 | 34,200 | 15,700 | 1 | 26 | 47,700 | 21,600 | 82,600 | 37,900 | 67,400 | 31,000 | 47,700 | 21,900 | 1 1/4 | 32 | 72,300 | 32,800 | 125,200 | 56,800 | 102,200 | 46,400 | 72,300 | 32,800 |
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(1) Other grades of proof tested steel chain include Proof Coil (Grade 28), Hi-Test (grade 43 Chain, and Transport (grade 70) Chain. These grades are not recommended for overhead lifting and therefore are not covered by this standard.
(2) Rating of multi-leg slings adjusted for angle of loading between the inclined leg and the horizontal plane of the load.
Table 4B—Maximum Allowable Wear at any Point of Link
| Nominal chain or coupling link size | Maximum allowable wear of cross-sectional diameter, in. | inch | mm | 1/4 | 7 | 0.037 | 3/8 | 10 | 0.052 | 1/2 | 13 | 0.060 | 5/8 | 16 | 0.084 | 3/4 | 20 | 0.105 | 7/8 | 22 | 0.116 | 1 | 26 | 0.137 | 1 1/4 | 32 | 0.169 |
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Table 5—Safe Working Loads for Shackles
[In tons of 2,000 pounds]
| Material size | Pin diameter | Safe working load in 2,000 lb tons | Inches | (cm) | Inches | (cm) | 1/2 | (1.3) | 5/8 | (1.6) | 1.4 | 5/8 | (1.6) | 3/4 | (1.9) | 2.2 | 3/4 | (1.9) | 7/8 | (2.2) | 3.2 | 7/8 | (2.2) | 1 | (2.5) | 4.3 | 1 | (2.5) | 1 1/8 | (2.9) | 5.6 | 1 1/8 | (2.9) | 1 1/4 | (3.2) | 6.7 | 1 1/4 | (3.2) | 1 3/8 | (3.5) | 8.2 | 1 3/8 | (3.5) | 1 1/2 | (3.8) | 10.0 | 1 1/2 | (3.8) | 1 5/8 | (4.1) | 11.9 | 1 3/4 | (4.4) | 2 | (5.1) | 16.2 | 2 | (5.1) | 2 1/4 | (5.7) | 21.2 |
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Wire Rope Table—Rate Loads for Single Leg Slings 6 × 19 or 6 × 37 Classification Improved Plow Steel Grade Rope With Fiber Core (FC)
[Rated loads [note 1], tons (2,000 lb)]
| Vertical | Choker | Rope diameter, inch | HT | MS | S | HT, MS&S | 1/4 | 0.49 | 0.51 | 0.55 | 0.38 | 5/16 | 0.78 | 0.79 | 0.85 | 0.6 | 3/8 | 1.1 | 1.1 | 1.2 | 0.85 | 7/16 | 1.4 | 1.5 | 1.7 | 1.2 | 1/2 | 1.8 | 2.0 | 2.1 | 1.5 | 9/16 | 2.3 | 2.5 | 2.7 | 1.9 | 5/8 | 2.8 | 3.1 | 3.3 | 2.3 | 3/4 | 3.9 | 4.4 | 4.8 | 3.3 | 7/8 | 5.2 | 6.0 | 6.4 | 4.5 | 1 | 6.7 | 7.7 | 4.8 | 5.9 | 1 1/8 | 8.4 | 9.5 | 11 | 7.4 | 1 1/4 | 10 | 12 | 13 | 9.0 | 1 3/8 | 12 | 14 | 15 | 11 | 1 1/2 | 15 | 17 | 18 | 13 | 1 5/8 | 17 | 19 | 21 | 15 | 1 3/4 | 20 | 22 | 25 | 17 | 2 | 26 | 29 | 32 | 22 |
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HT = Hand Tucked Splice.
For Hidden Tuck Splice (IWRC), use vales in HT (FC) columns.
MS = Mechanical Splice.
S = Poured Socket or Swaged Socket.
Wire Rope Table—Rated Loads for Single Leg Slings 6 × 19 or 6 × 37 Classification Extra Improved Plow Steel Grade Rope With Independent Wire Rope Core (IWRC)
[Rated loads [note 1] , tons (2,000 lb)]
| Vertical | Choker | Vertical basket | Rope diameter, inch | HT | MS | S | HT, MS&S | [Note (2)] HT | [Note (3)] MS&S | 1/4 | 0.53 | 0.59 | 0.59 | 0.31 | 1.1 | 1.1 | 5/16 | 0.82 | 0.87 | 0.92 | 0.64 | 1.6 | 1.7 | 3/8 | 1.2 | 1.2 | 1.3 | 0.92 | 2.3 | 2.5 | 7/16 | 1.5 | 1.7 | 1.8 | 1.2 | 3.1 | 3.4 | 1/2 | 2.0 | 2.2 | 2.3 | 1.6 | 4.0 | 4.4 | 9/16 | 2.5 | 2.8 | 2.9 | 2.0 | 1.9 | 5.5 | 5/8 | 3.0 | 3.4 | 3.6 | 2.6 | 6.0 | 6.8 | 3/4 | 4.2 | 4.9 | 5.1 | 3.6 | 8.4 | 9.7 | 7/8 | 5.5 | 6.6 | 6.9 | 4.8 | 11 | 13 | 1 | 7.2 | 8.5 | 9.0 | 6.3 | 14 | 17 | 1 1/8 | 9.0 | 10 | 11 | 7.9 | 18 | 20 | 1 1/4 | 11 | 13 | 14 | 9.7 | 22 | 26 | 1 3/8 | 13 | 15 | 17 | 12 | 27 | 31 | 1 1/2 | 16 | 18 | 20 | 14 | 32 | 37 | 1 5/8 | 18 | 21 | 23 | 16 | 37 | 43 | 1 3/4 | 21 | 25 | 27 | 19 | 43 | 49 | 2 | 28 | 32 | 34 | 24 | 55 | 64 |
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HT = Hand tucked Splice
For Hidden Tuck Splice (IWRC), use values in HT columns of Table 3.
MS = Mechanical Splice. S = Poured Socket or Swaged Socket.
(1) These values are based on slings being vertical. If they are not vertical, the rated load shall be reduced. If they are not vertical, the rated load shall be reduced. If two or more slings are used, the minimum horizontal angle between the slings shall also be considered.
(2) These values only apply when the D/d ratio is 15 or greater.
(3) These values only apply when the D/d ratio is 25 or greater.
D = Diameter or curvature around which the body of the sling is bent. d = Diameter of rope.
Wire Rope Table-Rated Loads for Single Leg Slings 6 × 19 or 6 × 37 Classification Extra Improved Plow Steel Grade Rope With Independent Wire Rope Core (IWRC)
[Rated loads [note 1], tons (2,000 lb)]
| Vertical | Choker | Vertical basket
[note (2)] | Rope diameter | MS | S | MS&S | MS&S | 1/4 | 0.65 | 0.68 | 0.48 | 1.3 | 5/16 | 1.0 | 1.1 | .074 | 2.0 | 3/8 | 1.4 | 1.5 | 1.1 | 2.9 | 7/16 | 1.9 | 2.0 | 1.4 | 3.9 | 1/2 | 2.5 | 2.7 | 1.9 | 5.1 | 9/16 | 3.2 | 3.4 | 2.4 | 6.4 | 5/8 | 3.9 | 4.1 | 2.9 | 7.8 | 3/4 | 5.6 | 5.9 | 4.1 | 11 | 7/8 | 7.6 | 8.0 | 5.6 | 15 | 1 | 9.8 | 10 | 7.2 | 20 | 1 1/8 | 12 | 13 | 9.1 | 24 | 1 1/4 | 15 | 16 | 11 | 30 | 1 3/8 | 18 | 19 | 13 | 36 | 1 1/2 | 21 | 23 | 16 | 42 | 1 5/8 | 24 | 26 | 18 | 49 | 1 3/4 | 28 | 31 | 21 | 57 | 2 | 37 | 40 | 28 | 73 |
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HT = Hand tucked Splice
For Hidden Tuck Splice (IWRC), use values in HT columns of Table 3.
MS = Mechanical Splice.
S = Poured Socket or Swaged Socket.
(2) These values only apply when the D/d ratio is 25 or greater.