|
Note: 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 |
| ½ or less (1.3) |
3 |
4 |
3 (7.6) |
| 5/8(1.6) |
3 |
4 |
33/4(9.5) |
| 3/4(1.9) |
4 |
5 |
4½ (11.4) |
| 7/8(2.2) |
4 |
5 |
51/4(13.3) |
| 1 (2.5) |
5 |
6 |
6 (15.2) |
| 11/8(2.9) |
6 |
6 |
63/4(17.1) |
| 11/4(3.2) |
6 |
7 |
7½ (19.1) |
| 13/8(3.5) |
7 |
7 |
81/4(21.0) |
| 1½ (3.8) |
7 |
8 |
9 (22.9) |
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. |
| ½ |
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 |
| 11/16 |
2,100 |
1,100 |
4,200 |
3,600 |
3,000 |
2,100 |
| 11/8 |
2,400 |
1,200 |
4,800 |
4,200 |
3,400 |
2,400 |
| 11/4 |
2,700 |
1,400 |
5,400 |
4,700 |
3,800 |
2,700 |
| 15/16 |
3,000 |
1,500 |
6,000 |
5,200 |
4,300 |
3,000 |
| 1½ |
3,700 |
1,850 |
7,400 |
6,400 |
5,200 |
3,700 |
| 15/8 |
4,500 |
2,300 |
9,000 |
7,800 |
6,400 |
4,500 |
| 13/4 |
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 |
| 21/8 |
7,200 |
3,600 |
14,500 |
12,500 |
10,000 |
7,200 |
| 21/4 |
8,200 |
4,100 |
16,500 |
14,000 |
11,500 |
8,200 |
| 2½ |
9,300 |
4,700 |
18,500 |
16,000 |
13,000 |
9,300 |
| 25/8 |
10,500 |
5,200 |
21,000 |
18,000 |
14,500 |
10,500 |
| Endless Sling |
| ½ |
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 |
| 11/16 |
3,800 |
1,900 |
7,600 |
6,600 |
5,400 |
3,800 |
| 11/8 |
4,300 |
2,200 |
8,600 |
7,500 |
6,100 |
4,300 |
| 11/4 |
4,900 |
2,400 |
9,700 |
8,400 |
6,900 |
4,900 |
| 15/16 |
5,400 |
2,700 |
11,000 |
9,400 |
7,700 |
5,400 |
| 1½ |
6,700 |
3,300 |
13,500 |
11,500 |
9,400 |
6,700 |
| 15/8 |
8,100 |
4,100 |
16,000 |
14,000 |
11,500 |
8,100 |
| 13/4 |
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 |
| 21/8 |
13,000 |
6,500 |
26,000 |
22,500 |
18,500 |
13,000 |
| 21/4 |
15,000 |
7,400 |
29,500 |
25,500 |
21,000 |
15,000 |
| 2½ |
16,500 |
8,400 |
33,500 |
29,000 |
23,500 |
16,500 |
| 25/8 |
18,500 |
9,500 |
37,000 |
32,500 |
26,500 |
18,500 |
TABLE 3A
For Table 3A, Click Here
TABLE 3B
For Table 3B, Click Here
TABLE 3B (con't)
For continuation of Table 3B, Click Here
| Table 4A. -- Rated Load for Grade 80 Alloy Steel Chain Slings1 (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 |
| ½ |
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 |
| 11/4 |
32 |
72,300 |
32,800 |
125,200 |
56,800 |
102,200 |
46,400 |
72,300 |
32,800 |
Notes:
(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 |
| ½ |
13 |
0.060 |
| 5/8 |
16 |
0.084 |
| 3/4 |
20 |
0.105 |
| 7/8 |
22 |
0.116 |
| 1 |
26 |
0.137 |
| 11/4 |
32 |
0.169 |
| Note: For other sizes, consult chain or sling manufacturer |
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) |
| ½ |
(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) |
11/8 |
(2.9) |
5.6 |
| 11/8 |
(2.9) |
11/4 |
(3.2) |
6.7 |
| 11/4 |
(3.2) |
13/8 |
(3.5) |
8.2 |
| 13/8 |
(3.5) |
1½ |
(3.8) |
10.0 |
| 1½ |
(3.8) |
15/8 |
(4.1) |
11.9 |
| 13/4 |
(4.4) |
2 |
(5.1) |
16.2 |
| 2 |
(5.1) |
21/4 |
(5.7) |
21.2 |
Wire Rope Table -- Rate Loads for Single Leg Slings 6x19 or 6x37 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 |
| ½ |
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 |
| 11/8 |
8.4 |
9.5 |
11 |
7.4 |
| 11/4 |
10 |
12 |
13 |
9.0 |
| 13/8 |
12 |
14 |
15 |
11 |
| 1½ |
15 |
17 |
18 |
13 |
| 15/8 |
17 |
19 |
21 |
15 |
| 13/4 |
20 |
22 |
25 |
17 |
| 2 |
26 |
29 |
32 |
22 |
HT=Hand Tucked Splice
For Hidden Tuck Splice (IWRC), use vales in HT (FC) columns
MS=Mechanical Splice
S=Poured Socket or Swaged Socket
Note:(1) These values are based on slings being vertical. 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 |
Wire Rope Table -- Rated Loads for Single Leg Slings 6x19 or 6x37 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 |
| ½ |
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 |
| 11/8 |
9.0 |
10 |
11 |
7.9 |
18 |
20 |
| 11/4 |
11 |
13 |
14 |
9.7 |
22 |
26 |
| 13/8 |
13 |
15 |
17 |
12 |
27 |
31 |
| 1½ |
16 |
18 |
20 |
14 |
32 |
37 |
| 15/8 |
18 |
21 |
23 |
16 |
37 |
43 |
| 13/4 |
21 |
25 |
27 |
19 |
43 |
49 |
| 2 |
28 |
32 |
34 |
24 |
55 |
64 |
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
Notes:
(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 6x19 or 6x37 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 |
| ½ |
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 |
| 11/8 |
12 |
13 |
9.1 |
24 |
| 11/4 |
15 |
16 |
11 |
30 |
| 13/8 |
18 |
19 |
13 |
36 |
| 1½ |
21 |
23 |
16 |
42 |
| 15/8 |
24 |
26 |
18 |
49 |
| 13/4 |
28 |
31 |
21 |
57 |
| 2 |
37 |
40 |
28 |
73 |
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
NOTE:
(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 25 or greater |
[62 FR 40141, July 25, 1997; 65 FR 40946, June 30, 2000]
|
Regulations (Standards - 29 CFR) - Table of Contents
Back to Top
