Chain
Fortune Rope & Metal Company has an extensive array of chain in stock for immediate delivery. The Fortune Rope inventory of chain includes:
- Proof Coil Chain NACM 84/90 (Grade 30 — G30)
- High Test Chain NACM 84/90 (Grade 43 — G43)
- Transport Chain NACM 84/90 (Grade 70 — G70)
- Double Loop Chain (USA Standard Double Loop Chain)
Proof Coil Chain is available in nominal sizes ranging from 1/8" to 1".
High Test Chain (Grade 43, or G43) is available in sizes ranging from 1/4" to 3/4".
Transport Chain available from Fortune Rope ranges in sizes from 1/4" to 1/2".
USA Standard Double Loop Chain available from Fortune Rope ranges in sizes from Trade Size 5 (1.6 mm in diameter) to Trade Size 6/0 (4.9 mm in diameter).

Proof Coil Chain NACM 84/90 (G30)
| Nominal Size |
Material Diameter |
Inside Length (max.) |
Inside Width (min.) |
Working Load Limit (max.) |
Proof Test (min.) |
Min. Breaking Load |
Unit Weight Per 100' |
| in |
mm |
in |
mm |
in |
mm |
in |
kg |
lb |
kg |
lb |
kg |
lb |
kg |
lb |
| 1/8 |
4.0 |
0.157 |
23.9 |
0.94 |
6.4 |
0.25 |
180 |
400 |
3.6 |
800 |
7.1 |
1,600 |
8.8 |
19.4 |
| 3/16 |
5.5 |
0.217 |
24.8 |
0.98 |
7.7 |
0.30 |
365 |
800 |
7.1 |
1,600 |
14.2 |
3,200 |
18.3 |
40.3 |
| 1/4 |
7.0 |
0.276 |
31.5 |
1.24 |
9.8 |
0.38 |
590 |
1,300 |
11.6 |
2,600 |
23.2 |
5,200 |
30.0 |
66.1 |
| 5/16 |
8.0 |
0.315 |
32.8 |
1.29 |
11.2 |
0.44 |
860 |
1,900 |
15.1 |
3,400 |
30.2 |
6,800 |
39.0 |
86.0 |
| 3/8 |
10.0 |
0.394 |
35.0 |
1.38 |
14.0 |
0.55 |
1,200 |
2,650 |
23.6 |
5,300 |
47.2 |
10,600 |
64.5 |
142 |
| 1/2 |
13.0 |
0.512 |
45.5 |
1.79 |
18.2 |
0.72 |
2,040 |
4,500 |
39.8 |
8,950 |
79.6 |
17,900 |
110 |
242 |
| 5/8 |
16.0 |
0.630 |
56.0 |
2.20 |
20.0 |
0.79 |
3,130 |
6,900 |
60.5 |
13,600 |
121.0 |
27,200 |
162 |
357 |
| 3/4 |
20.0 |
0.787 |
70.0 |
2.76 |
25.0 |
0.98 |
4,810 |
10,600 |
94.2 |
21,200 |
188.4 |
42,400 |
254 |
560 |
| 7/8 |
22.0 |
0.866 |
77.0 |
3.03 |
27.5 |
1.08 |
5,810 |
12,800 |
113.8 |
25,600 |
227.6 |
51,200 |
306 |
675 |
| 1 |
26.0 |
1.024 |
90.9 |
3.58 |
31.7 |
1.25 |
8,120 |
17,900 |
159.1 |
35,800 |
318.2 |
71,600 |
419 |
924 |

High Test Chain NACM 84/90 (G43)
| Nominal Size |
Material Diameter |
Inside Length (max.) |
Inside Width (min.) |
Working Load Limit (max.) |
Proof Test (min.) |
Min. Breaking Load |
Unit Weight Per 100' |
| in |
mm |
in |
mm |
in |
mm |
in |
kg |
lb |
kg |
lb |
kg |
lb |
kg |
lb |
| 1/4 |
7.0 |
0.276 |
31.5 |
1.24 |
9.8 |
0.38 |
1,180 |
2,600 |
16.7 |
3,750 |
33.3 |
7,500 |
30.0 |
66.1 |
| 5/16 |
8.0 |
0.315 |
32.8 |
1.29 |
11.2 |
0.44 |
1,770 |
3,900 |
21.8 |
4,900 |
43.2 |
9,700 |
39.0 |
86.0 |
| 3/8 |
10.0 |
0.394 |
35.0 |
1.38 |
14.0 |
0.55 |
2,450 |
5,400 |
33.8 |
7,600 |
67.6 |
15,200 |
67.3 |
148 |
| 1/2 |
13.0 |
0.512 |
45.5 |
1.79 |
18.2 |
0.72 |
4,170 |
9,200 |
57.3 |
12,900 |
114.2 |
25,700 |
110 |
242 |
| 5/8 |
16.0 |
0.630 |
56.0 |
2.20 |
20.0 |
0.79 |
5,900 |
13,000 |
86.7 |
19,500 |
173.4 |
39,000 |
162 |
357 |
| 3/4 |
20.0 |
0.787 |
70.0 |
2.76 |
25.0 |
0.98 |
9,160 |
20,200 |
134.7 |
30,300 |
269.4 |
60,600 |
254 |
560 |

Transport Chain NACM 84/90 (G70)
| Nominal Size |
Material Diameter |
Inside Length (max.) |
Inside Width (min.) |
Working Load Limit (max.) |
Proof Test (min.) |
Min. Breaking Load |
Unit Weight Per 100' |
| in |
mm |
in |
mm |
in |
mm |
in |
kg |
lb |
kn |
lb |
kn |
lb |
kg |
lb |
| 1/4 |
7.0 |
0.276 |
31.5 |
1.24 |
9.8 |
0.38 |
1,430 |
3,150 |
27.1 |
6,100 |
53.8 |
12,100 |
30.0 |
66.1 |
| 5/16 |
8.7 |
0.343 |
32.8 |
1.29 |
12.2 |
0.48 |
2,130 |
4,700 |
41.8 |
9,400 |
83.6 |
18,800 |
47.0 |
104 |
| 3/8 |
10.0 |
0.394 |
35.0 |
1.38 |
14.0 |
0.55 |
2,990 |
6,600 |
55.1 |
12,400 |
109.8 |
24,700 |
64.5 |
142 |
| 1/2 |
13.0 |
0.512 |
45.5 |
1.79 |
18.2 |
0.72 |
5,130 |
11,300 |
92.9 |
20,900 |
185.8 |
41,800 |
110 |
242 |

Double Loop Chains
(USA Standard Double Loop Chain)
| Trade Size |
Diameter (mm) |
Inside Length (mm) |
Outside Width (mm) |
Breaking Load (lb) |
Unit Weight (kg/100') |
| 5 |
1.6 |
23.4 |
7.0 |
220 |
1.8 |
| 4 |
1.8 |
25.4 |
8.0 |
280 |
2.2 |
| 3 |
2.0 |
28.0 |
9.0 |
360 |
3.0 |
| 2 |
2.3 |
33.8 |
10.0 |
460 |
3.5 |
| 1 |
2.7 |
43.4 |
12.0 |
620 |
4.5 |
| 1L |
2.7 |
51.6 |
12.0 |
620 |
4.2 |
| 1/0 |
3.0 |
45.2 |
14.0 |
800 |
5.7 |
| 1/0L |
3.0 |
56.9 |
14.0 |
800 |
5.2 |
| 2/0 |
3.4 |
46.2 |
15.5 |
1020 |
7.5 |
| 2/0L |
3.4 |
56.9 |
15.5 |
1020 |
7.0 |
| 3/0 |
3.8 |
55.6 |
17.0 |
1220 |
9.4 |
| 4/0 |
4.1 |
55.6 |
19.0 |
1460 |
11.0 |
| 6/0 |
4.9 |
74.0 |
21.0 |
2080 |
15.7 |