Gr 30 Chain Specs

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Grade 30 Proof Coil Chain Specifications

Printable Version

Other chain specifications

Proof Coil

High Test

Transport

Alloy Gr 80

Alloy Gr 100

Stainless

RR-C-271E

NACM

BBB

ISO G4

Proof coil chain is a general purpose chain for all ordinary applications not requiring high strength characteristics. Frequently used for light duty tow chains, tie down chains and logging chains. Identified with ""L3"" or similar grade marking. Self-colored, Electro Zinc plated and hot dip galvanized in stock.

Packaged in drums, half drums, pails and binder chain assemblies.

Not for overhead lifting.

Long Link vs. Regular LInk

Manufactured to specifications developed by the

National Association of Chain Manufacturers(NACM) and ASTM A413/A413M. Grade 30. Contact our office to determine availability of chain meeting Federal Specification RR-C-271

Other chain specifications

High Test Transport Alloy Gr 80 Alloy Gr 100 Stainless

Sizes 1/4, 5/16 and 3/8 are stocked in "Long Link" design which provides the same working load limits in a lighter weight chain. Other chain stocked in "Regular Link".

Trade Size (inch)	Working Load Limit (lbs)	Breaking Strengh (lbs)	Material Diameter "T" (inches)		Nominal Length "L" (inches)	Nominal Width "W" (inches)	Weight/ 100 ft (lbs)
1/8 reg link	400	1600	.160		.90	.27	21
3/16 reg link*	800	3200	.210		.95	.40	38
1/4 long link	1300	5200	.275		1.24	.46	63
1/4 reg link*	1300	5200	.275		1.02	.50	.69
1/4 ISO SHORT link*	1300	5200	.279		1.00	.51	.73
5/16 long link	1900	7600	.330		1.30	.49	91
5/16 reg link*	1900	7600	.330		1.15	.49	100
5/16 ISO SHORT link*	1900	7600	.342		1.10	.51	109
3/8 long link	2650	10600	.397		1.45	.60	135
3/8 reg link	2650	10600	.397		1.30	.60	145
3/8 ISO SHORT link*	2650	10600	.404		1.23	.62	155
1/2 reg link*	4500	18000	.520		1.56	.81	264
1/2 ISO SHORT link*	4500	18000	.512		1.50	.82	250
5/8 reg link*	6900	27600	.630		1.87	1.00	393
3/4 reg link*	10,600	42400	.787		2.13	1.13	628
* starred items meet Fed Spec RR-C-271D Type 1, Class 4				DO NOT USE FOR OVERHEAD LIFTING. Do not exceed working load limit.

Made in the USA

Available in drums, half drums, pails and assemblies

The information on this page is to be used for comparison purposes only.

Please consult reliable engineering texts when danger to life or property is possible.

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