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Grade 70 chain comes made with tough carbon steel that has been heat-treated and 100% proof-tested to 2 times its original working load limit rating to a total of 6,600 lbs. Having been finished with zinc-plated gold chromate, our chain can withstand years of use in harsh conditions and resist rust and corrosion.
Grade 70 chain, our chain is made to NACM standards per specifications of the Department of Transportation and CCMTA for tie down use with properly marked links. Our 3/8-in. grade 70 chain comes sold as 200-ft. of chain in 1 barrel, which has been color-coded as green for easy identification.