Grade 80 Alloy Chain

Premium quality,high strength alloy chain, heat treated,used in a variety of sling and tie down applications.
Material: 22MnCrNi,20CrNiMo,8620D,20Mn2
For overhead lifting
Identification Grade 80 Chain withG-8,G8,G80.
Surface Black ELECTROPHORETIC,black E-painted,Dacromet
Products produced by automatic machine
Plastic drum,Steel drum,Carbon Box

Specification of Grade 80 Alloy Chain:

Nominal Chain Size		Material Diameter		Working Load Limit(Max.)		Proof Test (Min.)		Minimum Breaking Force		Inside Length (Max.)		Inside Width Range
in	mm	in	mm	lbs	kg	lbs	kN	lbs	kN	in	mm	in	mm
7/32	5.5	0.217	5.5	2,100	970	4.2	19.0	8,400	38.0	0.69	17.6	0.281-0.325	7.14-8.25
9/32	7.0	0.276	7.0	3,500	1,570	7.000	30.8	14,000	61.6	0.90	22.9	0.375-0.430	9.53-10.92
5/16	8.0	0.315	8.0	4,500	2,000	9,000	40.3	18.000	80.6	1.04	26.4	0.430-0.500	10.92-12.70
3/8	10.0	0.394	10.0	7,100	3,200	14,200	63.0	28,400	126.0	1.26	32.0	0.512-0.600	13.00-15.20
1/2	13.0	0.512	13.0	12,000	5,400	24,000	107.0	48,000	214.0	1.64	41.6	0.688-0.768	17.48-19.50
5/8	16.0	0.630	16.0	18,100	8,200	36,200	161.0	72,400	322.0	2.02	51.2	0.812-0.945	20.63-24.00
3/4	20.0	0.787	20.0	28,300	12,800	56,600	252.0	113,200	504.0	2.52	64.0	0.984-1.180	25.00-30.00
7/8	22.0	0.866	22.0	34,200	15,500	68,400	305.0	136,800	610.0	2.77	70.4	1.080-1.300	27.50-33.00
1	26.0	1.020	26.0	47,700	21,600	95,400	425.0	190.800	850.0	3.28	83.2	1.280-1.540	32.50-39.00
1-1/4	32.0	1.260	32.0	72,300	32,800	144,600	644.0	289,200	1288.0	4.03	102.4	1.580-1.890	40.00-48.00

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