Specifications

Link chain NACM1990:
1.Beautiful Shape.
2.Strong and smooth welding.
3.Application: for lifting.
4.All kinds of chain avail

Link chain NACM1990:

Proof coil chain American standard link chain NACM1990:

1.Beautiful Shape.
2.Strong and smooth welding.
3.Application: for lifting.
4.All kinds of chain available.

Proof coil chain NACM1990 (G30)
Nominal size		Material diameter		Working load limit		Proof test		Breaking force minimum		Inside length		Inside widthMIN
MM	IN	MM	IN	KG	LBS	KN	LBS	KN	LBS	MM	IN	MM	IN
4	1/8	4	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	0.3
7	1/4	7	0.276	580	1300	11.6	2600	23.1	5200	31.5	1.24	9.8	0.38
8	5/16	8	0.315	860	1900	15.1	3400	30.2	6800	32.8	1.29	11.2	0.44
10	3/8	10	0.394	1200	2650	23.6	5300	47.1	10600	35	1.38	14	0.55
13	1/2	13	0.512	2030	4500	39.8	8950	79.6	17900	45.5	1.79	18.2	0.72
16	5/8	16	0.63	3130	6900	60.3	13600	120.6	27200	56	2.2	20	0.79
20	3/4	20	0.787	4800	10600	94.3	21200	188.5	42400	70	2.76	25	0.98
22	7/8	22	0.866	5810	12800	114.1	25600	228.1	51200	77	3.03	27.5	1.08
25	1	26	1.02	8140	17900	159.1	35800	318	71600	90.9	3.58	31.7	1.25

High Test Chain NACM1990 (G43)
Nominal size		Material diameter		Working load limit		Proof test		Breaking force minimum		Inside length		Inside widthMIN
MM	IN	MM	IN	KG	LB	KN	LB	KN	LB	MM	IN	MM	IN
7	1/4	7	0.276	1180	2600	16.6	3750	33.1	7500	31.5	1.24	9.8	0.38
8	5/16	8	0.315	1770	3900	21.6	4900	43.2	9700	32.8	1.29	11.2	0.44
10	3/8	10	0.394	2450	5400	33.8	7600	67.6	15200	35	1.38	14	0.55
13	1/2	13	0.512	4170	9200	57.1	12900	114.2	25700	45.5	1.79	18.2	0.72
16	5/8	16	0.63	5220	11500	86.5	19500	172.9	38900	56	2.2	20	0.79
20	3/4	20	0.787	7350	16200	130.1	30400	270.2	60700	70	2.76	25	0.98