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Welded Chain

Proof Coil Chain – Grade 30

Grade 30 Proof Coil Chain is a general-purpose, low-carbon steel chain designed for light-duty applications. It offers reliable strength for everyday uses but is not intended for load securement or overhead lifting.

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Available finishes

Zinc Plated

Specifications

Nominal Size Material Diameter Working Load Limit (Max.) Proof Test (Min.) Min. Breaking Load Inside Length (Max.) Inside Width (Min.) Feet/ Drum Feet/ Pail
mm in mm in kg lb kn lb kn lb mm in mm in
4.0 1/8 4.0 0.156 180 400 3.6 800 7.2 1,600 23.9 0.94 6.4 0.25 2500 500
5.5 3/16 5.5 0.217 365 800 7.2 1,600 14.4 3,200 24.8 0.98 7.7 0.30 1500 250
7.0 1/4 7.0 0.276 580 1,300 11.6 2,600 23.2 5,200 31.5 1.24 9.8 0.38 800 141
8.0 5/16 8.4 0.331 860 1,900 16.9 3,800 33.8 7,600 32.8 1.29 11.2 0.44 550 92
10.0 3/8 10.0 0.394 1,200 2,650 23.6 5,300 47.2 10,600 35.0 1.38 14.0 0.55 400 63
11.9 7/16 11.9 0.488 1,680 3,700 32.9 7,400 65.8 14,800 41.6 1.64 16.6 0.65 300 50
13.0 1/2 13.0 0.512 2,030 4,500 40.0 9,000 80.0 18,000 45.5 1.79 18.2 0.72 200 40
16.0 5/8 16.0 0.630 3,130 6,900 61.3 13,800 122.6 27,600 56.0 2.20 20.0 0.79 150
20.0 3/4 20.0 0.787 4,800 10,600 94.3 21,200 188.6 42,400 70.0 2.76 25.0 0.98 100
22.0 7/8 22.0 0.866 5,810 12,800 114.1 25,600 228.2 51,200 77.0 3.03 27.5 1.08 75
26.0 1 26.0 1.020 8,140 17,900 159.1 35,800 318.2 71,600 90.9 3.58 31.7 1.25 50

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Proof Coil Chain – Grade 30