IWRC6×Fi(29)O/O B種安全荷重（安全係数：6）

単位トン

2本2点つり
2本4点あだ巻きつり
3本3点つり、4本4点つり
10
2.30
2.18
1.95
1.61
3.22
2.87
2.41
6.90
11.2
2.88
2.73
2.44
2.01
4.03
3.60
3.02
8.65
12.5
3.60
3.42
3.06
2.52
5.04
4.50
3.78
10.8
14
4.52
4.29
3.84
3.16
6.32
5.65
4.74
13.5
16
5.88
5.58
4.99
4.11
8.23
7.35
6.17
17.6
18
7.44
7.06
6.32
5.20
10.4
9.30
7.81
22.3
20
9.20
8.74
7.82
6.44
12.8
11.5
9.66
27.6
22.4
11.5
10.9
9.80
8.07
16.1
14.4
12.1
34.6
25
14.3
13.6
12.2
10.0
20.1
17.9
15.0
43.1
28
18.0
17.1
15.3
12.6
25.2
22.5
18.9
54.1
30
20.6
19.5
17.5
14.4
28.8
25.7
21.6
62.1
31.5
22.8
21.6
19.3
15.9
31.9
28.5
23.9
68.5
33.5
25.8
24.5
21.9
18.0
36.1
32.2
27.0
77.4
35.5
28.8
27.3
24.4
20.1
40.3
36.0
30.2
86.9
37.5
32.2
30.5
27.3
22.5
45.0
40.2
33.8
97.0
40
36.6
34.7
31.1
25.6
51.2
45.7
38.4
110
42.5
41.4
39.3
35.1
28.9
57.9
51.7
43.4
124
45
46.4
44.0
39.4
32.4
64.9
58.0
48.7
139
47.5
52.0
49.4
44.2
36.4
72.8
65.0
54.6
156
50
57.4
54.5
48.7
40.1
80.3
71.7
60.2
172
53
64.4
61.1
54.7
45.0
90.1
80.5
67.6
193
56
72.0
68.4
61.2
50.4
100
90.0
75.6
216
60
82.8
78.6
70.3
57.9
115
103
86.9
248
2本4点半掛けつりの場合の安全荷重：(2本2点つりの場合の安全荷重)×2