HVG LINK CHAINS 0004

HVG LINK CHAINS 0004: Grade 30 Proof Coil Chain

Grade 30 roof coil chain is a kind of welded link chain with load rating G30, is manufactured to meet ASTM & NACM specifications. Its typical uses include barrier chains, trailer safety chains, light construction, marine industry, etc. It should note that the G30 proof coil chain is not to be used for lifting purposes. We offer the proof coil chains meeting the requirements regulated by ASTM in1980, NACM in 1990, 1996, 2003. We are able to supply relevant attachments, too. The grade 30 proof coil chain is available in a wide assortment of finishes and packaged configurations. If you are interested in our chains, welcome to contact us.

Features of Grade 30 Proof Coil Chain

Standard: ASTM and NACM
Material: carbon steel
Type: link chain
Finish: self colored, burnished, zinc plated, galvanized and powder coated
Package: drums, pails, reels, hanks…
100% proof test

Technical specification:

Specifications of Grade 30 Proof Coil Chain (ASTM Standard in 1980)
Specifications of Grade 30 Proof Coil Chain (NACM Standard in 1980)

Trade Size	Material Diameter		Working Load Limit		Proof Test		Breaking Force Minimum		Max Length 100 Links		Max Weight per 100 Feet
Trade Size	in	mm	lbs	kg	lbs	kN	lbs	kN	in	m	lbs	kg
1/8	0.156	4.0	375	170	800	3.6	1600	7.1	94	2.39	19	8.8
3/16	0.218	5.5	750	340	1500	6.7	3000	13.3	99	2.51	42	19
1/4	0.281	7.1	1250	570	2500	11.1	5000	22.2	104	2.64	76	34
5/16	0.343	8.7	1900	860	3800	16.9	7600	33.8	114	2.89	115	52
3/8	0.406	10.3	2650	1200	5300	23.6	10600	47.2	128	3.25	166	75
7/16	0.468	11.9	3500	1590	7000	31.1	14000	62.3	142	3.60	225	102
1/2	0.531	13.5	4500	2040	9000	40.0	18000	80.1	156	3.96	289	131
5/8	0.656	16.7	6900	3031	13800	61.4	27600	122.8	194	4.92	425	193
3/4	0.781	19.8	9750	4420	19500	86.7	39000	173.5	220	5.59	612	278

Trade Size		Material Diameter		Working Load Limit		Proof Test		Breaking Force Minimum		Inside Length (Max)		Inside Width (Min)
mm	in	mm	in	kg	lbs	kN	lbs	kN	lbs	mm	in	mm	in
4.0	1/8	4.0	0.156	170	375	3.6	800	7.1	1600	23.9	0.94	6.4	0.25
5.5	3/16	5.5	0.217	365	800	7.2	1600	14.3	3200	24.8	0.98	7.7	0.30
7.0	1/4	7.0	0.276	580	1300	11.6	2600	23.1	5200	31.5	1.24	9.8	0.38
8.0	5/16	8.0	0.315	860	1900	15.1	3400	30.2	6800	32.8	1.29	11.2	0.44
10.0	3/8	10.0	0.394	1200	2650	23.6	5300	47.1	10600	35.0	1.38	14.0	0.55
13.0	1/2	13.0	0.512	2030	4500	39.8	8950	79.6	17900	45.5	1.79	18.2	0.72
16.0	5/8	16.0	0.630	3130	6900	60.3	13600	120.6	27200	56.0	2.20	20.0	0.79
20.0	3/4	20.0	0.787	4800	10600	94.3	21200	188.5	42400	70.0	2.76	25.0	0.98
22.0	7/8	22.0	0.866	5810	12800	114.1	25600	228.1	51200	77.0	3.03	27.5	1.08
25.0	1	26.0	1.020	8140	17900	159.1	35800	318.2	71600	90.9	3.58	31.7	1.25