Grade 30 Proof Coil Chain

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: