5/16" Grade 70 Binder Chain Galvanized Plated Chromated Binder Chain With Hook For Transport

We use high qualified alloy steel to produce G80 or G70 chains chains (Mn alloy steel), all G80 chains will be approved by 6-meter proof load test, breaking link rate is 1/10000, which exceed industrial level 6/10000.

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Product Introduction

ASTM80 Standard G70 Transport Chain

Chain Material: 20Mn2A, 25MnV, 30Mn2 ETC

Production standard:ASTM80

Chain grade:G70

Safety factor:2.5 times proof load test, 4 times safety factor.

Surface treatment: black oxide, electroplate, black painted, hot dip galvanized etc

Specification of G70 Transport Chain ASTM80:

Size	Material dia		Working load limit		Proof load		Breaking load		Inside length	Inside width	Kg/100 foot
Size	IN	MM	LBS	KG	LBS	KN	LBS	KN	IN	IN	LBS	KG
1/4	0.281	7.1	3150	1430	6300	28.0	12600	56.1	0.86	0.45	84	38
5/16	0.343	8.7	4700	2130	9400	41.8	18800	83.6	1.01	0.46	120	54
3/8	0.406	10.3	6600	3000	13200	58.7	26400	117.4	1.10	0.55	176	80
1/2	0.531	13.5	11300	5130	22600	100.5	45200	201.1	1.55	0.72	300	136

Specification of G70 Transport Chain NACM2010:

NOMINAL SIZE		MATERIAL DIAMETER		WORKING LOAD LIMIT		PROOF TEST (MIN)		BREAKING FORCE MIN		INSIDE LENGTH		INSIDE WIDTH
mm	in	mm	in	kg	lb	kn	lb	kn	lb	mm	in	mm	in
7.0	1/4	7.0	0.276	1430	3150	27.0	6100	53.9	12100	31.5	1.24	9.8	0.38
8.0	5/16	8.7	0.343	2130	4700	41.6	9400	83.5	18800	33.5	1.29	12.2	0.48
10.0	3/8	10.0	0.394	2990	6600	55.0	12400	110.0	24700	35.0	1.38	14.0	0.55
13.0	1/2	13.0	0.512	5130	11300	92.9	20900	185.8	41800	45.5	1.79	18.2	0.72
16.0	5/8	16.0	0.630	7170	15800	140.4	31600	280.8	63200	56.0	2.20	20.0	0.79