ASTM80 standard link chain

ASTM80 standard link chain is one kind of USA standard link chain.It includes proof coil chain ASTM80(G30),high test chain ASTM80(G43) and transport chain ASTM80(G70).

1.Proof coil chain ASTM80(G30)

Trade Size	Material Diameter		Working Load Limit		Proof Test		Breaking Force Minimum		Max Lenght Per 100 Links		Max Weight Per 100 Feet
Trade Size	in	mm	lbs	kg	lbs	kn	lbs	kn	in	m	lbs	kg
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	3130	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

2. High test chain ASTM80(G43)

Trade Size	Material Diameter		Working Load Limit		Proof Test		Breaking Force Minimum		Max Lenght Per 100 Links		Max Weight Per 100 Feet
Trade Size	in	mm	lbs	kg	lbs	kn	lbs	kn	in	m	lbs	kg
1/4	0.281	7.1	2600	1180	4300	19.1	7750	34.5	98	2.49	84	38
5/16	0.343	8.7	3900	1770	6400	28.5	11600	51.6	110	2.79	120	54
3/8	0.406	10.3	5400	2450	8900	39.6	16200	72.1	134	3.40	176	80
7/16	0.468	11.9	7200	3260	11900	52.9	21500	95.6	140	3.55	230	104
1/2	0.531	13.5	9200	4170	15300	68.1	27600	122.8	150	4.06	300	136

3.Transport chain ASTM80(G70)

Trade Size	Material Diameter		Working Load Limit		Proof Test		Breaking Force Minimum		Max Lenght Per 100 Links		Max Weight Per 100 Feet
Trade Size	in	mm	lbs	kg	lbs	kn	lbs	kn	in	m	lbs	kg
1/4	0.281	7.1	3150	1430	6300	28.0	12600	56.1	98	2.49	84	38
5/16	0.343	8.7	4700	2130	9400	41.8	18800	83.6	110	2.79	120	54
3/8	0.406	10.3	6600	3000	13200	58.7	26400	117.4	134	3.40	176	80
1/2	0.531	13.5	11300	51300	22600	100.5	45200	201.1	160	4.06	300	136

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