Grade 30 Proof Coil Chain
Product Description:
Grade 30 proof coil chain, or grade 30 chain, is a low-carbon steel chain for general purpose. They can be used as barrier chains, trailer safety chains, light construction, load securement in industrial, agricultural and marine industry. Grade 30 chain is available in a wide assortment of finishes and packaged configurations. It is manufactured to meet ASTM & NACM specifications.
Features of Grade 30 Proof Coil Chain:
• Material: low-carbon steel;
• Standard: ASTM, NACM;
• Finish: self-colored, galvanized, burnished, powder coated and zinc plated;
• Assembly: drums, pails, or other styles;
• Application: guard rails, logging, load securement;
• 100% proof tested;
• Customize Available;
• Not for overhead lifting.
Drawing of Grade 30 Proof Coil Chain:
Specifications of Grade 30 Proof Coil Chain:
Nominal
Chain
Size
Material
Dia.
Working Load
Limit
(Max.)
Proof Test
Load
(Min.)
Minimum
Breaking
Force Load
Inside Length
(Max.)
Inside Width
(Min.)
in
mm
in
mm
lbs
kg
lbs
KN
lbs
KN
in
mm
in
mm
1/8
4.0
0.156
4.0
400
180
800
3.6
1600
7.2
0.94
23.9
0.25
6.4
3/16
5.5
0.217
5.5
800
365
1600
7.2
3200
14.4
0.98
24.8
0.30
7.7
1/4
7.0
0.276
7.0
1300
580
2600
11.6
5200
23.2
1.24
31.5
0.38
9.8
5/16
8.0
0.331
8.4
1900
860
3800
16.9
7600
33.8
1.29
32.8
0.44
11.2
3/8
10.0
0.394
10.0
2650
1200
5300
23.6
10600
47.2
1.38
35.0
0.55
14.0
7/16
11.9
0.488
11.9
3700
1680
7400
32.9
14800
65.8
1.64
41.6
0.65
16.6
1/2
13.0
0.512
13.0
4500
2030
9000
40.0
18000
80.0
1.79
45.5
0.72
18.2
5/8
16.0
0.630
16.0
6900
3130
13800
61.3
27600
122.6
2.20
56.0
0.79
20.0
3/4
20.0
0.787
20.0
10600
4800
21200
94.3
42400
188.6
2.76
70.0
0.98
25.0
7/8
22.0
0.866
22.0
12800
5810
25600
114.1
51200
228.2
3.03
77.0
1.08
27.5
1
26.0
1.020
26.0
17900
8140
35800
159.1
71600
318.2
3.58
90.9
1.25
31.7
Photo of Grade 30 Proof Coil Chain:
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