Grade 30 Chain
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Grade 30 Chain
Grade 30 chain, also known as Gr 30 proof coil, is a general-purpose, low-carbon chain. They are used for industrial and agricultural applications including barrier chains, trailer safety chains, light construction, load securement, marine industry, etc. The grade 30 chain is available in a wide assortment of finishes and packaged configurations. It is manufactured to meet ASTM & NACM specifications. In addition to standard specifications, we are capable of providing non-standard chains for you. If you are interested in our chains, welcome to contact us.
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Features of Grade 30 Chain
• Material: low-carbon steel
• Standard: ASTM, NACM
• Finish: self-colored, galvanized, burnished, powder coated, zinc plated
• Assembly: drums, pails, or other styles
• Application: guard rails, logging, load securement...
• 100% proof tested
• Available in customization
• Not to be used for overhead lifting
Drawing of Grade 30 Chain
Specifications of Grade 30 Chain
|
Material Diameter |
Working Load Limit |
Proof Test |
Minimum Breaking Force |
Weight per 100 ft |
Maximum Inside Length |
Minimum Inside Width |
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|
inches |
mm |
kg |
lbs |
kn |
lbs |
kn |
lbs |
kg |
lbs |
mm |
inches |
mm |
inches |
|
1/8ĄŻĄŻ |
4 |
190 |
420 |
3.78 |
850 |
7.56 |
1700 |
8.80 |
19 |
22.60 |
0.89 |
7.40 |
0.29 |
|
3/16ĄŻĄŻ |
5.50 |
360 |
800 |
7.11 |
1600 |
14.20 |
3200 |
18.30 |
40 |
24.10 |
0.95 |
10.20 |
0.40 |
|
1/4ĄŻĄŻ |
7.10 |
600 |
1330 |
11.80 |
2650 |
23.60 |
5300 |
32.70 |
72 |
25.40 |
1.00 |
12.70 |
0.50 |
|
5/16ĄŻĄŻ |
8.70 |
910 |
2000 |
17.80 |
4000 |
35.60 |
8000 |
48.00 |
106 |
27.90 |
1.10 |
12.70 |
0.50 |
|
3/8ĄŻĄŻ |
10.30 |
1270 |
2800 |
24.90 |
5600 |
49.80 |
11200 |
70.30 |
155 |
31.20 |
1.23 |
15.70 |
0.62 |
|
1/2ĄŻĄŻ |
13.50 |
2190 |
4800 |
42.90 |
9650 |
85.80 |
19300 |
123.00 |
271 |
38.90 |
1.53 |
20.30 |
0.80 |
|
5/8ĄŻĄŻ |
16.70 |
3350 |
7400 |
65.80 |
14800 |
131.60 |
29600 |
184.00 |
405 |
48.30 |
1.90 |
25.40 |
1.00 |
|
3/4ĄŻĄŻ |
19.80 |
4700 |
10400 |
92.50 |
20800 |
185.00 |
41600 |
264.00 |
582 |
54.60 |
2.15 |
28.40 |
1.12 |
|
7/8ĄŻĄŻ |
23.00 |
6350 |
14000 |
124.50 |
28000 |
249.00 |
56000 |
368.00 |
811 |
63.50 |
2.50 |
34.80 |
1.37 |
|
1ĄŻĄŻ |
26.50 |
8400 |
18600 |
165.40 |
37200 |
330.80 |
74400 |
474.00 |
1045 |
69.90 |
2.75 |
38.10 |
1.50 |
|
Note |
Please contact us for other specifications. |
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Pictures of Grade 30 Chain |
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Grade 30 Chain (Self Colored) |
Grade 30 Chain (Black Painted) |
Grade 30 Chain (Galvanized)
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