chains: welded chains,TABLE 1 Grade 30 Proof Coil Chain ,TABLE 2 Grade 43 High Test Chain

Nominal Chaine Size		Material Diameter		Working Load Limit(max)		Proof Test (Min.)		Minimum Breaking Force		Inside Length (Max.)		Inside Width (Min.)
mm	in	mm	in	kg	Ib	kg	Ib	kg	Ib	kg	In	kg	In
4.0	1/8	4.0	0.156	180	400	3.6	800	7.2	1600	23.9	0.94	6.4	0.25
5.5	3/16	5.5	0.217	365	800	7.2	1600	14.4	3200	24.8	0.98	7.7	0.30
7.0	1/4	7.0	0.276	580	1300	11.6	2600	23.2	5200	31.5	1.24	9.8	0.38
8.0	5/16	8.0	0.331	860	1900	16.9	3800	33.8	7600	32.8	1.29	11.2	0.44
10.0	3/8	10.0	0.394	1200	2650	23.6	5300	47.2	10600	35.0	1.38	14.0	0.55
11.9	7/16	11.9	0.468	1680	3700	32.9	7400	65.8	14800	41.6	1.64	16.6	0.65
13.0	1/2	13.0	0.512	2030	4500	40.0	9000	80.0	18000	45.5	1.79	18.2	0.72
16.0	5/8	16.0	0.630	3130	6900	61.3	13800	122.60	27600	56.0	2.20	20.0	0.79
20.0	3/4	20.0	0.787	4800	10600	94.3	21200	188.6	42400	70.0	2.76	25.0	0.98
22.0	7/8	22.0	0.866	5810	12800	114.1	25600	228.2	51200	77.0	3.03	27.5	1.08
26.0	1''	26.0	1.020	8140	17900	159.1	35800	318.2	71600	90.9	3.58	31.7	1.25

chains